Studying the absorbance of some painted metals for the direct light

In this research we studied and measured the response and absorbance for some metals (zinc, copper, iron, aluminum) which are exposed to the direct light and painted with black, which has a high absorbance and low emittance, and with different thicknesses (to obtain black bodies) with higher absorption. we took the measurement on the painted metals for each thickness of the paint in the laboratory first using tow lamps 30 watt and 100 watt to compare the absorption of these metals of the radiation from these two lamps with the absorption of the solar radiation and make sure that the absorption is similar of the two situations, then we took the measurements in AL- Kadmous Area which is 900m above sea level using direct solar radiation , and we found the relationship between the absorbance and the paint thickness.

"Design and industrializing electrochemical solar cells with low cost and high efficiency"

In this study, we have designed and manufactured a simple and relatively inexpensive solar cell, from the available materials in the local markets, where the cell is contained of the outer body (Case), which is a plastic box on a parallel form of rectangles of acrylic transparent allows the passage of light. It has resilient and high durability, and two poles of red copper higher purity, one of them has been thermally treatment to different temperatures (200, 300, 400°C), which turns the copper pole from carrier to semiconductor (cuprous oxide, Cu2O), using heating device (Hot plate). The other pole left without treatment and the electrolyte solution (Gel) has been developed on the (Hydrogel), thus freeing electrons from the treatment plate to the Hydrogel layer then to the clean plate (non-treatment), during shining light. The results showed that the cell voltage proportional to the polyelectrolyte concentration and the area of copper pole (cuprous oxide). As the experiments showed that the temperature has an important role in transforming the metal carrier to the semiconductor, and whenever this conversion possible whenever the pole of the light sensitively more effective and efficient.

Study of the effect of the addition of the booster on the performance of the basin solar still under the climatic conditions of the city of Homs

Solar energy being one of the most promising alternatives, this because of its availability and low cost compared to other energies. The device that uses solar energy to desalinate saline water is called the solar still. The problem at the solar still is reflected in its low efficiency, with the aim of raising it. This research presents a theoretical and experimental study for single-slope and single-basin solar stills.

Design of Photovoltaic Water Pumping System and economic feasibility study

In this paper, we present a system design of the photovoltaic pumping to provide electrical and economic comparison between two different energy supply systems: the first depends on the PV panels, and the second depending on the public grid. farm area study in the eastern countryside of Homs with the aim to supply water for irrigation and drinking.