ZAKARIA Haddad

بوزكري شيماء

دراسة السلوك الحراري لثلاث مقطرات شمسية

Choutla Aicha , Heraiz Samia

Improved of building integrated solar still

DEBIH Wissal Chahinez , BAOUCHE Souad

Improving Photovoltaic Panels Performances Using Cooling Systems

BESSA Mohamed El Menaouar , BAKHETI Djouadi

Etude d’un séchoir solaire intégré au bâtiment

Omar Oucif

Etude d'un distillateur solaire intégré à l'habitat

Touama Toufik Mohamed

Etude des panneaux solaires photovoltaïques intégrés au bâtiment

Aidjadj Maroua

Etude expérimentale de l’effet de la poussière et de fientes des oiseaux sur le fonctionnement des panneaux solaires photovoltaïques pour le site de M’sila

Benboudina Younes , Elhanni Taki-eddine

Evaluation des modèles empiriques d’estimation de l’irradiation solaire globale basés sur l’humidité relative et les précipitation pour le site de M’sila

Debih Bouthaina , Ghanem Faiza

Estimation de I 'irradiation solaire globale pour le site de M'sila par des modèles empiriques basés sur la température

Aissaoua Afaf , Bozzidi Fatna

Dimensionnement d’une installation d’un chauffe eau hybride solaire/gaz

Bensilette Razika , Aribi Sabrina

Evaluation du modèle de Dunkle pour un distillateur solaire conventionnel réalisé à M’sila (validation avec des essais expérimentaux à M’sila)

Deghfel Fadila , Chagra Sara

Étude expérimentale d'un distillateur solaire à mèche avec un réflecteur externe

Laifa Islam

Etude expérimental d'un distillateur solaire à mèche

Zouid Nesrine

Etude numérique d’un capteur solaire plan à air

Djegham Ali

Etude expérimentale d’un distillateur solaire à quatre vitres

Numerical investigation of finned tube heat exchanger with new wavy fin design

Citation

Zakaria HADDAD , ,(2025-12-02), Numerical investigation of finned tube heat exchanger with new wavy fin design,1 st International Conference on Energy and Digital Transition in the Maritime Sector,Université des sciences et technologies Mohamed Boudiaf

Domestic hot water production is in high demand. Fossil fuels are the most used means of producing domestic hot water. Unfortunately, these methods have certain drawbacks, such as increased consumption of fossil fuels, risks, and environmental impacts. The use of solar energy non-polluting and abundant resource seems a good alternative. Algeria has a significant solar deposit that remains underexploited to date. This work focuses on the production of domestic hot water using solar energy in Algeria, selecting twelve sites representative of all local climates: coastal, inland, high plateau, and Saharan. For each climate, three thermosiphon solar collectors of different technologies are used: glazed, unglazed, and vacuum. These solar collectors were numerically simulated using RETScreen Expert. The results obtained made it possible to determine the charge recovery rate for all the selected sites. Indeed, for the southern regions, the charge recovery rate varies between 59.7% and 75.9% for the glazed collector, 50% and 80% for the unglazed collector and 40% and 65% for the evacuated collector. For the northern and central regions, the charge recovery rate varies between 46% and 55.8% for the glazed collector, 40% and 65% for the evacuated collector and 20% and 30% for the unglazed collector. The use of all collectors has positive effects, but the evacuated and glazed collectors aremore efficient than the unglazed collectors. With such a glazed solar collector, and thanks to the RETScreen Expert simulation, greenhouse gas emissions of 1.7 tonnes can be avoided over the entire lifetime of the installation.

Citation

Zakaria HADDAD , , (2025-11-24), Numerical Simulation by RETScreen Expert of Solar Hot Water Production for 12 Stations Installed on Algeria, CLEAN – Soil, Air,Water, Vol:53, Issue:11, pages:1-13, Wiley

Reducing aircraft energy consumption is a major challenge for aerodynamics specialists. This consumption is closely linked to the drag force. Drag has always hampered the smooth movement of the aircraft. To solve this problem, numerous theoretical and experimental studies have been conducted to eliminate or reduce the negative effects of drag. Knowing that the friction due to the turbulent boundary layer is much higher than that due to the laminar boundary layer, this generates greater energy consumption and, consequently, a degradation of aerodynamic performance. Much research has been conducted to ensure the persistence of the laminar layer while pushing the onset of the turbulent boundary layer towards the trailing edge, which also allows for greater laminarity. Controlling the laminar boundary layer by suction makes it possible to accelerate the tired particles of the boundary layer with reduced wall friction. This study aims to better understand and optimize the laminar boundary layer control parameters, angle, speed, and control range. The results obtained by numerical simulation allowed a gain of more than 10%.

Citation

Zakaria HADDAD , , (2025-11-06), Effects of Laminar Boundary Layer Control by Suction of a Stationary and Compressible Flow Around a Two-Dimensional Profile, Journal of Renewable Energies, Vol:28, Issue:5, pages:73-82, Renewable Energy Development Center

A solar dryer is a device used to dry a wide variety of products using the heat and energy of the sun. In this work, a new technique has been proposed to facilitate and expand the use of this type of device. The main idea is to integrate solar dryers into buildings. It is a practical solution to dry several things without using additional space. This technique allows the use of drying in urban cities on the one hand, and is a subject of increasing interest in the field of renewable energy and energy efficiency of buildings on the other hand. To achieve this objective, an experimental study of a building-integrated indirect solar dryer (BISD) was conducted, during the months of May and June under M'sila weather conditions. Solar radiation, ambient temperature, wind speed, collector inlet and outlet temperatures, absorber temperature and drying chamber temperature and its relative humidity are recorded and represented. The analysis of these parameters allows us to conclude that weather conditions play a crucial role in the drying process, efficiency and performance of the building-integrated solar dryer (BISD). It also allows us to determine the modifications or adjustments needed to optimize the performance of the solar dryer according to local climatic conditions in different regions or seasons

Citation

Zakaria HADDAD , , (2025-09-24), Experimental study of a building integrated solar dryer, Journal of Renewable Energies, Vol:1, Issue:1, pages:57-64, Renewable Energy Development Center

Optimisation des paramètres de contrôle d’une couche limite laminaire autour d’un profil bidimensionnel par aspiration

Citation

Zakaria HADDAD , ,(2025-04-22), Optimisation des paramètres de contrôle d’une couche limite laminaire autour d’un profil bidimensionnel par aspiration,Séminaire International sur l’Energétique et les Energies Renouvelables,Université de Batna 1

According to the UNISCO World Water Report published in 2022, water consumption is expected to increase by 1% per year over the next thirty years. Desalination of sea/brackish water is among the solutions. This desalination process requires a lot of energy, while the world is going through an energy crisis during this period. Solar energy seems to be a good solution to meet this need, as it is sustainable, economical and clean. In this context, we were interested in desalination of sea/brackish water by solar energy, and due to the lack of land for the installation of solar stills, we integrated it into the building. The proposed device is integrated into the building and on any floor, which allows to exploit the dead (unused) surfaces of the house for a gain of space on the one hand, and to make use of this device by a large number of families, which transforms the families behavior from consuming water to producing it on the other hand.To achieve this objective an experimental study was conducted at M’sila University in Algeria during the month of May. The ambient temperature, solar radiation, wind speed, temperatures of the solar stillcomponents and their production are recorded and presented.The resultsshow that weather conditions play a crucial role in the distillation process, performanceand efficiencyof the building-integrated solar still (BISS). It also allows us to determine the adjustmentsor modificationsneeded to optimize the solar still performances according to local climatic conditions in different seasonsorregions

Citation

Zakaria HADDAD , ,(2024-12-22), Study of a Building-Integrated Solar Still,THE 9th MEDITERRANEAN CONFERENCE ON DESALINATION AND WATER TREATMENT "CMTDE 2024″,Hammamet, Tunisia

Solar drying is considered a sustainable and environmentally friendly method because it does not use fossil fuels and does not produce CO2. A solar dryer is a device used to dry a wide variety of products using the heat and energy of the sun. In this work, a new technique has been proposed to facilitate and expand the use of this type of device. The main idea is to integrate solar dryers into buildings. It is a practical solution to dry several things such as: fruits, vegetables, medicinal plants, meats and fishes …etc. without using additional space. This technique allows the use of drying in urban cities on the one hand, and is a subject of increasing interest in the field of renewable energy and energy efficiency of buildings on the other hand. To achieve this objective, an experimental study of a building-integrated indirect solar dryer (BISD) was conducted at the laboratory of physics and chemistry of materials of Mohamed Boudiaf University in M'sila, Algeria, during the months of May and June under the weather conditions of M'sila. Solar radiation, ambient temperature, wind speed, collector inlet and outlet temperatures, absorber temperature and drying chamber temperature and its relative humidity are recorded and represented. The analysis of these parameters allows us to conclude that weather conditions play a crucial role in the drying process, efficiency and performance of the building-integrated solar dryer (BISD). It also allows us to determine the modifications or adjustments needed to optimize the performance of the solar dryer according to local climatic conditions in different regions or seasons.

Citation

Zakaria HADDAD , ,(2024-11-13), Experimental Study of a Building Integrated Solar Dryer,The 1st International Conference on Renewable Energy Applications in Agriculture,Applied Research Unit on Renewable Energies, Ghardaia

Solar drying, as a method of extracting water from a solid by evaporation, has been adopted to dry and therefore preserve as much as possible agricultural crops and medicinal plants. The Hodna region, a city in the interior of Algeria, with a semi-arid climate, is known for its high consumption of tomatoes, raw and dried. The use of solar drying of this commodity seems necessary given the climate of the Hodna region and its solar input throughout the year. This work consisted of manufacturing an indirect solar dryer by locally available means, which are not expensive. Then the solar dryer produced, includes a solar collector, a drying chamber, a connection pipe, and some accessories such as thermometers and a thermo-hygrometer. Solar irradiation, ambient temperature, wind speed, collector inlet and outlet temperatures, absorber temperature and drying chamber temperature as well as relative humidity are measured and represented. These results obtained are in good agreement with the theoretical results and the weight of dried tomatoes is reduced by one seventh.

Citation

Zakaria HADDAD , Azzedine NAHOUI , ,(2024-11-13), Solar drying of tomates in Hodna region,The 1st International Conference on Renewable Energy Applications in Agriculture,Applied Research Unit on Renewable Energies, Ghardaia

Aujourd’hui les capteurs solaires plans et à effet de serre jouent un rôle important dans le chauffage des habitations et dans le séchage des produits agricoles. Les capteurs solaires à air sont des machines transforment l’énergie solaire en provenance du soleil en énergie thermique. Comme ces machines sont installées en plein air, le dépôt de la poussière est inévitable. Des études théoriques et expérimentales ont été faites pour mettre en évidence le phénomène de poussière. La présente étude consiste à construire un capteur solaire plan à air et par suite déposer de la poussière. Le capteur construit a été construit par des matériaux récupérés et recyclés. Les résultats obtenus ont permis d’étudier les conditions climatologiques de l’expérience et par conséquent mesurer et tracer les profils de l’irradiation solaire, la vitesse du vent, la température ambiante et enfin l’humidité relative.

Citation

Azzedine NAHOUI , Zakaria HADDAD , ,(2024-11-06), Effets de la poussière sur le comportement thermique d’un capteur solaire plan à air,The First National Conference on Mechanical Engineering 2024 (1st NCME 2024),University brothers Mentouri constantine1

The lack of drinking water and the scarcity of its natural resources, become a big problem that threatens the lives of the inhabitants in several regions. So the research to produce drinking water from other natural resources is of extreme importance. Solar distillation is an efficient and practical process for the production of drinking water in arid and semi-arid areas, but this production remains limited. The objective of this work is to contribute to the improvement of the water production of a single-slope and single-basin solar distiller through the use of transparent side walls. The proposed device is an economical solar distiller of simple design, and manufactured with less expensive local materials. The solar distiller was designed and evaluated at the University of Msila, Algeria, in the laboratory of physics and chemistry of materials. The tests were conducted during the months of April and May. The internal heat transfer study describes the thermal behavior of the conventional and proposed solar distillers and its contributions to the improvement of water productivity. The comparison between the two distillers shows that the daily water productivity of modified solar distiller is increased by about 10% and 17% compared to that of conventional distiller for the months of April and May respectively.

Citation

Zakaria HADDAD , ,(2024-10-13), Contribution to the production of drinking water in arid and semi-arid areas by solar energy -Experimental study in M’Sila,1er Séminaire National : Eau, Environnement et Energies renouvelables,Université de M’sila

This study presents the measured data of the "Oued Keberit" PV plant over a period of four months (January to April 2022) after nearly 6 years of outdoor exposure to the climate of Souk Ahras, eastern Algeria, in order to evaluate the performance of the solar PV system. This evaluation includes the calculation of PV system performance variables such as module performance, final performance and performance of the module references, system losses, photovoltaic friendly efficiency, system efficiency, performance ratio and capacity factor based on measured data, allowing comparison of actual PV system performance and reference values determined by manifacturers. The results showed that the four-month average values of the parameters Eac, Yr, Yf, PR, , CF are 1.06375125MWh, 4.08h, 4.25h, 1.06, 16.40%, 60.28% respectively. Also, the high efficiency of the photovoltaic system was obtained during winter, due to the low temperature and the sufficient amount of solar radiation. However, the photovoltaic system generates a lot of energy during summer, although there is less output than during the winter season. This is because summer has maximum values for sunshine duration and solar radiation.

Citation

Zakaria HADDAD , , (2024-01-13), Effects of Temperature and Solar Radiation on Photovoltaic Modules Performances Installed in Oued Keberit Power Plant, Algeria, Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, Vol:112, Issue:1, pages:204-216, Semarak Ilmu

As global demand for renewable, non-polluting energy continues to grow, along with the focus on energy efficiency, the concept of zero-energy, zero-emission buildings has attracted considerable attention. One of the most important sources of energy is the sun. In this work the integration of solar photovoltaic energy inside buildings was studied. Experiments were conducted in M'sila, Algeria, using solar panels oriented at different tilt angles. The results demonstrated the significance of panel orientation based on meteorological conditions to maximize solar energy utilization. This research contributes to a better understanding of factors influencing the efficiency of PV solar systems integrated into buildings and paves the way for future improvements in this field.

Citation

Zakaria HADDAD , ,(2023-12-02), Study of photovoltaic solar panels integrated into homes,THE 1ST NATIONAL CONFERENCE ON PHYSICS AND IT’S APPLICATIONS,BOUSAADA

Optimization of control parameters of a compressible laminar boundary layer

Citation

Zakaria HADDAD , ,(2023-12-02), Optimization of control parameters of a compressible laminar boundary layer,THE 1ST NATIONAL CONFERENCE ON PHYSICS AND IT’S APPLICATIONS,BOUSAADA

This paper presents a numerical simulation of the three-dimensional laminar forced convection flow in the annular space between two-horizontal confocal elliptical cylinders. While those cylinders are static, the inner cylinder is heated by a constant heat flux whereas the outer cylinder is adiabatic. The problem is modeled by the continuity equation, the three momentum equations and the energy equation with appropriate initial boundary conditions using an elliptical coordinate system. The model equations are numerically solved by a finite volume numerical method with a second-order spatiotemporal discretization. The simulation results showed that the forced convection heat transfer between the two cylinders exhibits a different behavior and increases significantly, for the local Nusselt number, this heat transfer is decreased in the hot regions and increases in the cold regions, as shown in simulations and graphs.

Citation

Zakaria HADDAD , ,(2023-12-02), Laminar Forced Convection Between Two Elliptical Cylinders With Variable ThermoPhysical Properties (Re=200),THE 1ST NATIONAL CONFERENCE ON PHYSICS AND IT’S APPLICATIONS,BOUSAADA

A comparative study between three solar stills was carried out (1st with wick and reflector, 2nd with wick, 3rd conventional). Results showed that the productivity of the first type is better than the others, which reached 3.2, 5 and 5kg/m2 for April, May and June. The stills payback is 89, 79, 80 days and the cost of distilled water 2.47, 2.19 and 1.98DA/kg respectively

Citation

Zakaria HADDAD , ,(2023-11-27), Experimental Study of a Wick Solar Still with Reflector,International Conference on Sustainable Water Treatment Technologies and Environment SUST_WATER2023,UDES, Tipaza

A numerical study of nano-fluid effects on the solar still performances under winter conditions such us solar irradiation, wind speed and ambient temperature, was carried out. The physical problem is modeled by equations based on the heat balances of each component of a conventional solar still with and without copper dioxide nanoparticles, and solved by the Gauss-Seidel method. The effects of copper dioxide nanoparticles on daily production, overall and internal efficiencies, and absorber temperature are determined and depicted. The results obtained demonstrated the positive effect of nano-fluids in conventional solar stills.

Citation

Zakaria HADDAD , ,(2023-11-27), Effects of nano-fluids on the performance of a solar still,International Conference on Sustainable Water Treatment Technologies and Environment SUST_WATER2023,UDES, Tipaza

Solar distillation is an efficient and economical process for producing fresh water, especially in arid and semi-arid areas. The aim of this work is to verify and prove the validity of the Dunkle model under the meteorological conditions of the M'sila region for a conventional solar still. Two typical days of the year were chosen for making the experimental measurements (April 10 and 11, 2017). The results obtained show a good agreement between the calculated and measured values, which made it possible to recommend the use of this model for the prediction of the performance of a conventional solar still at the M’sila site

Citation

Zakaria HADDAD , ,(2023-10-23), DUNCLE model Evaluation for a conventional solar still made in Algeria,The second international conference on materials, energy & environment,El Oued

An experimental study of an indirect solar greenhouse dryer is carried out. Indeed, we were able to build a solar dryer to dry tomatoes, a widely consumed vegetable in the HODNA region, using locally available materials. The manufactured solar dryer includes a greenhouse solar collector, a drying chamber, a connection pipe and some accessories such as thermometers and a thermo-hygrometer. Solar radiation, ambient temperature, wind speed, collector inlet and outlet temperatures, absorber and drying chamber temperatures and relative humidity are recorded and presented. These results are in good agreement with the theoretical results. The dried tomatoes obtained are of good quality

Citation

Zakaria HADDAD , ,(2023-10-23), Experimental study of a greenhouse solar dryer,The second international conference on materials, energy & environment,El Oued

In this work, an experimental study of the effect of dust on the operation of photovoltaic solar panels was conducted in the Hodna region. For this, a monocrystalline type of solar panel was tested with a power of 100W. A quantity of dust was scattered for the first tests during the month of March 2022, then the voltage and current were measured. The second tests were conducted under outdoor M’sila conditions for two months. The results obtained show that the accumulation of dust on the surface of the panels reduces the passage of solar radiation on the one hand, and leads to a rise in the temperature of the panels on the other hand, which reduces the energy produced by the photovoltaic system. Therefore, periodic cleaning of photovoltaic solar panels is necessary.

Citation

Zakaria HADDAD , , (2023-09-26), Effect of dust on the operation of photovoltaic solar panels installed in the Hodna region - Experimental study, Journal of Renewable Energies, Vol:1, Issue:1, pages:75 - 82, CDER

Delaying boundary layer separation means saving energy consumption. For this, a numerical study of the point of separation of a compressible laminar boundary layer around a two-dimensional profile is carried out. The equations governing the physical problem are partial and coupled differential equations whose resolution can only be numerical. The use of the method of Newton and the implication of the numerical scheme of Cranck-Nicolson and the algorithm of Thomas allowed the resolution of the problem. The results obtained made it possible to determine the point of separation of the boundary layer and to examine the control effects such as extent, angle and blowing rate. After having optimized the values of these control parameters by blowing, we were able to gain 10% of laminar regime to the detriment of the turbulent regime, and consequently a significant gain in energy consumption. It remains to examine these control parameters on the turbulent boundary layer.

Citation

Zakaria HADDAD , ,(2023-05-10), Effect of blowing control on the point of separation of a compressible laminar boundary layer around a two-dimensional profile,The first national conference on mechanical engineering,Batna

Les systèmes qui utilisent l’énergie solaire demandent une légère maintenance et présentent une bonne fiabilité de fonctionnement, et une résistance extrême aux conditions naturelles. Le dimensionnement des systèmes à chauffe-eau solaires occupe une fonction déterminante, en effet la gestion de cet élément est fonction de plusieurs paramètres tels que : les besoins de l’utilisateur en quantité d’eau chaude, la température de l’eau chauffée, les conditions climatiques locales, les performances du système à capteurs plans. Le but de ce travail est d'étudié un chauffe-eau hybride solaire/gaz sous les conditions météorologiques de la ville de M’sila. Les résultats obtenus sont satisfaisants d’un point du vue économique où le temps de retour de l’investissement est d’environ 7 ans (la durée du vie de la plus part des composants du système est 25 ans), et d’un point du vue environnemental.

Citation

Zakaria HADDAD , ,(2023), Dimensionnement d’une installation d’un chauffe-eau hybride solaire/gaz sous les conditions météorologiques de M’sila, Algérie,Seminaire National de la Physique, Chimie et leurs applications,Université Mohamed El Bachir El Ibrahimi, Bordj-Bou-Arreridj

ديناميكية الجماعة داخل الصف (التعلم النشط و التعلم التعاوني)

Citation

Zakaria HADDAD , ,(2023), ديناميكية الجماعة داخل الصف (التعلم النشط و التعلم التعاوني),ديناميكية الجماعة داخل الصف (التعلم النشط و التعلم التعاوني),université Mohamed Boudiaf M'sila

Solar distillation is a very economical process for the fresh water production, especially in arid and semi-arid areas where solar energy is abundant. Several types of solar stills have been designed and manufactured for a purpose to increase their performances. This work aims to study experimentally under outdoor conditions of Hodna’s region, two types of solar still, the first is an inclined solar still with different wick thicknesses (thick, medium and thin) operating in drop by drop system of feed water and the other is conventional. Four clear days of the April months have been chosen to experiment the solar stills performances. The results showed that the solar stills performances are notably influenced by design and operating conditions, as revealed by the daily production and efficiency values of the inclined solar still with thin wick which achieved 4.14 liter/m2.day and 46.66%, with an improvement of about 23.21% and 12.56 % respectively, compared to those of the conventional solar still, which reached 3.36 l/m2 and 34.1% respectively. In addition, the economic analysis illustrates that the low cost of one liter of distilled water and the quicker payback period at the same time are for the inclined solar still with a thin wick of about 0.011$/l and 77 days respectively.

Citation

Zakaria HADDAD , , (2022), Experimental Study of an Inclined Wick Solar Still Operating in Drop by Drop System Under The Climatic Conditions of Hodna's Region, Algeria, Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, Vol:94, Issue:1, pages:188–199, Semarak Ilmu Publishing

This study presents a numerical simulation of the three dimensional laminar forced convection between two elliptical horizontal cylinders with variable thermophysical properties using a program generated in FORTRAN language. The inner cylinder is uniformly heated whereas the outer cylinder is adiabatic. The flow and thermal fields are modeled by the continuity, momentum and energy equations with appropriate initial and boundary conditions using an elliptical coordinate system. The model equations are numerically solved by a finite volume numerical method with second order accurate spatiotemporal discretization. The variations of axial velocity, temperature and Nusselt number have been studied in three cases of forced convection, which are 100, 200 and 300 of Reynolds values. The results obtained show that the change in flow regime with increasing Reynolds number value has a significant effect on the value of Nusselt number, rather the heat exchange coefficient. Where Re=300 gives the best heat exchange.

Citation

Zakaria HADDAD , , (2022), Numerical Study of Forced Convection Between Two Elliptical Cylinders with Variable ThermoPhysical Properties, Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, Vol:100, Issue:2, pages:96–112, Semarak Ilmu Publishing

L’utilisation des énergies renouvelables et en particulier l’énergie solaire pour la distillation des eaux saumâtres ou des eaux de mer est l’une des solutions préconisées pour l’approvisionnement de l’eau potable dans les régions éloignées arides ou isolées. Les différentes expériences à travers le monde ont montré que le dessalement solaire est beaucoup plus approprié pour répondre à la demande croissante en eau potable dans les zones aride et désertiques. Contrairement aux techniques de dessalement classiques (Osmose inverse, Electrolyse, Multi-flash,…etc.) qui consomment de grandes quantités d’énergie et émettant les gaz à effet de serre, les distillateurs solaires présentent l’avantage d’être simples, facile à réaliser et peu coûteux. Ils présentent néanmoins le gros inconvénient d’une production faible. Donc, l’économie d'énergie et l’approvisionnement de l’eau potable sont les défis des consommateurs, des chercheurs et des concepteurs.

Citation

Zakaria HADDAD , ,(2022), Dessalement des eaux de mer,Les eaux souterraines rendre visible l'invisible,Tunisie

In this work, an experimental study of the effect of dust on the operation of photovoltaic solar panels was conducted in the Hodna region. For this, a monocrystalline type of solar panel was tested with a power of 100W. A quantity of dust was scattered for the first tests during the month of March, then the voltage and current were measured. The second tests were conducted under outdoor M’sila conditions for two months. The results obtained show that the accumulation of dust on the surface of the panels reduces the passage of solar radiation on the one hand, and leads to a rise in the temperature of the panels on the other hand, which reduces the energy produced by the photovoltaic system. Therefore, periodic cleaning of photovoltaic solar panels is necessary.

Citation

Zakaria HADDAD , ,(2022), Experimental study of the effect of dust on the operation of photovoltaic solar panels in the Hodna region,International Conference on Advanced Renewable Energy Systems,UDES, Bou-Ismail, Tipaza, Algeria

In order to improve the heat exchanges between the absorber and its heat transfer fluid, an air solar collector was produced by undulating the surface of its absorber plate with a certain number of undulations. A numerical simulation, using Gambit and Fluent codes, made it possible to determine and represent the corrugations number effects of the absorber plate on the heat transfered between it and the fluid, as well as the heat exchange coefficient by convection for different temperature values of this absorber. The results obtained showed that the positive effect of the number of corrugations on the absorber-fluid heat transfer and that it is better for a number of corrugations less than or equal to three. The absorber can be even more efficient if its heat exchange surface is increased or by improving other thermo-physical parameters of its sheet

Citation

Zakaria HADDAD , ,(2022), Effect of the absorber plate corrugations number on the performance of a greenhouse solar dryer,International Conference on Advanced Renewable Energy Systems,Tipaza, UDES, Algeria

La distillation solaire est un procédé efficace et pratique pour la production de l’eau potable dans les zones arides et semi-arides, mais cette production reste limitée. Le but de ce travail est la contribution à l’amélioration de la production de distillateur solaire a une seule pente et un seul bassin par l’utilisation des parois latérales transparentes. L’étude des transferts thermiques internes décrivant le comportement thermique des distillateurs solaires conventionnel et proposé et ses contributions à l'amélioration de la productivité en eau distillée. La comparaison montre que la productivité journalière de distillateur solaire modifié est augmentée d'environ 10% et 17% par rapport à celle de distillateur conventionnel respectivement pour les mois d’avril et de mai.

Citation

Zakaria HADDAD , ,(2021), Etude de comportement thermique d’un distillateur solaire avec des parois latérales transparentes,Conférence nationale sur les énergies renouvelables et l’efficacité énergétique,Université Ahmed DRAIA Adrar-Algérie

Algeria is one of the countries that pays particular attention to the search for new resources and processes to provide drinking water. To respond to the increase in water needs and to make up for the deficit, solar desalination (solar distillation) is one of the future solutions for freshwater production, especially for arid and semi-arid zones, which have a high intensity of solar radiation for most of the year. All solar distillers have the same principle of operation, but are different in terms of design, materials used and performance. Our study aims to improve daily production by using an inclined wick solar distiller (with different wick thicknesses) in which the feedwater flows slowly through a porous lining, which absorbs solar radiation (wick). The inclination of the wick leads to a greater effective surface area and reduced reflection. The water is heated faster and reaches a high temperature, which is reflected positively in the production of the solar still. The tests were carried out under the climatic conditions of M'sila city, Algeria, during the month of April 2018. The results obtained show that daily production of the proposed still is 4.3 liters/m2, while that for conventional solar still does not exceed 3.4 liters/m2. An improvement of 27% is thus obtained

Citation

Zakaria HADDAD , ,(2021), Thermal behavior study’s of an inclined wick solar still,1st International Conference on Sustainable Energy and Advanced Materials,Ouargla, ALGERIA

Le but de ce travail est d’augmenter la production par un distillateur solaire à une seule pente et à un seul bassin avec des parois transparentes. Pour comprendre les causes de cette amélioration une étude thermique à l’intérieur des distillateurs conventionnel et modifié a été effectuée. Des mesures expérimentales ont été utilisées pour calculer les valeurs des coefficients de transfert de chaleur par convection , par rayonnement et par évaporation, Les mécanismes de transfert de chaleur à l'intérieur d’un distillateur solaire dépendent principalement de la quantité de rayonnement solaire entrant dans le distillateur et d'autres paramètres climatiques

Citation

Zakaria HADDAD , ,(2020), Etude des transferts thermiques dans un distillateur Solaire avec des parois transparentes,La 1ère Conférence Nationale sur la Transition Energétique en Algérie,Université Mohamed BOUDIAF M’sila

Dans ce travail, une nouvelle conception proposée pour améliorer les performances du distillateur solaire conventionnel, de type bassin, à l'aide d’une circulation naturelle du fluide (air-humide) créé par l'effet thermosiphon dans une boucle fermé intégrée au distillateur solaire. L’intégration d’une boucle à circulation naturelle au distillateur solaire conventionnel est une option intéressante pour transférer la vapeur d'eau de l'évaporateur vers le condenseur, sans les mettre en contact direct. De plus, placer le condenseur externe au-dessus de distillateur semble être plus approprié pour améliorer la productivité du système. Par conséquent, le phénomène de la circulation naturelle a un bon effet sur les performances de distillateur où la productivité quotidienne atteint 3.72 kg/m2 avec un rendement thermique du système d’environ 45.15%. L'étude comparative montre un accord raisonnable entre la simulation et les données expérimentales du distillateur solaire. L'erreur dans l'estimation des principaux paramètres thermo-hydrauliques (basin, fluide vitres, et production) du distillateur est acceptable et les écarts sont principalement dus aux simplifications introduites dans le modèle. L'accord entre les résultats de simulation et les données expérimentales révèle l'exactitude et l'adéquation du modèle thermique proposé pour prédire le comportement dynamique du distillateur solaire et peut-être utilisé pour la conception des distillateurs solaires similaires.

Citation

Zakaria HADDAD , ,(2020), Simulation du comportement thermo-hydraulique D’un nouveau distillateur solaire,La 1ère Conférence Nationale sur la Transition Energétique en Algérie,Université Mohamed BOUDIAF M’sila

Effets de la compressibilité de l’écoulement autour d'une pale d’éolienne

Citation

Azzedine NAHOUI , Zakaria HADDAD , ,(2020), Effets de la compressibilité de l'ecoulement autour d'une pale d'eolienne,La 1ère Conférence Nationale sur la Transition Energétique en Algérie,Université Mohamed BOUDIAF M’sila

The purpose of this work is experimentally study two types of solar still, one with an inclined cotton wick, of different thicknesses (fine, medium and thick) and fed with a drip system, and the other conventional. The tests were carried out under the climatic conditions of M'sila city, Algeria, during the month of April 2018. The results obtained show that daily production of the proposed still is 4.3 liters/m2, while that for conventional solar still does not exceed 3.4 liters/m2. An improvement of 27% is thus obtained.

Citation

Zakaria HADDAD , ,(2019), Experimental study of inclined wick solar still under climatic conditions of M’sila city, Algeria,International Conference on Sustainable Water Treatment Technologies and Environment,Tipaza, UDES, Algeria

L’eau n’est pas seulement besoin vital pour la survie de l’homme mais aussi pour son bien-être. Les ressources naturelles actuelles ne peuvent plus répondre à ces besoins humains ni à ceux de l’industrie qui ne cessent de s’accroitre. Le recours à d’autres voies telles que le dessalement par voie solaire peut être une bonne alternative. La présente étude, par voie numérique, porte sur un distillateur solaire plan et les effets du vitrage sur sa productivité. Les résultats obtenus ont permis d’examiner les effets de la température de l’ambiance, de la vitesse du vent, de l’irradiation solaire et de l’épaisseur de l’absorbeur sur la température de l’absorbeur et la production journalière en eau distillée

Citation

Zakaria HADDAD , ,(2019), Numerical study of a double glass cover solar still under winter conditions,International Conference on Sustainable Water Treatment Technologies and Environment,Tipaza, UDES, Algeria

La consommation d’énergie dans le monde a considérablement augmenté depuis 1992, et selon les estimations, elle devrait continuer à augmenter au rythme de 2 % par an jusqu’en 2020, cette situation motive les chercheurs pour trouver d’autre sources d’énergie. L’énergie solaire thermique apparait comme une bonne solution, qui peut être exploité par des capteurs solaires à air. Mais, le problème de la méthode d’utilisation des capteurs et l’amélioration de leur efficacité reste toujours. Pour répondre à cette nécessité, nous avons étudié le comportement thermique d’un capteur solaire plan à air en régime permanent. Nous avons établi le bilan thermique de capteur, et calculé les températures au niveau de chaque partie. Le système d’équations régissant le fonctionnement de capteur, est résolu en utilisent la méthode itérative de Gauss-Seidel. Les résultats obtenus montrent nettement l’influence de nombreux paramètres notamment l’irradiation globale, la température ambiante, la vitesse du vent, le débit d’air, sur les températures des différents partie de capteur solaire à air.

Citation

Zakaria HADDAD , ,(2018), ETUDE NUMERIQUE D’UN CAPTEUR SOLAIRE PLAN A AIR,Journée nationale en énergies renouvelables et matériaux avancés,Oum El Bouaghi

Journées d’accompagnement pour l’aide des doctorants

Citation

Zakaria HADDAD , ,(2018), Journées d’accompagnement pour l’aide des doctorants,Journées d’accompagnement pour l’aide des doctorants,Université Oum El-Bouaghi

In the present work, an attempt is made to enhance the productivity of the conventional basin type solar still using a Vertical Rotating Wick (VRW). A rotating black wick belt is integrated against the still back-wall to act as an additional collector-evaporator area. A set of experimental tests was conducted to evaluate the VRW contribution in improving the still performances. The still productivity improvement is demonstrated through a comparative study with and without VRW in the still. It was found that the daily productivity of the proposed solar still, for winter and summer seasons, is about 5.03 kg/m2 and 7.17 kg/m2, respectively. The comparison with the simple solar still (without VRW) shows that the distillate output of the modified still (with VRW) was increased by about 14.72 in summer and by 51.1% in winter.

Citation

Zakaria HADDAD , , (2017), Improving the basin type solar still performances using a vertical rotating wick, Desalination, Vol:418, Issue:, pages:71–78, Elsevier