Studying the Performance of Back – Pass Plain Plate Solar Air Heating Un-Glazed Collector

Hadi Ali, Mohammed

	Studying the Performance of Back – Pass Plain Plate Solar Air Heating Un-Glazed Collector
Journal of Engineering and Sustainable Development
Article 1, Volume 15, Issue 4, 2011, Pages 135-154
Author
Mohammed Hadi Ali
Abstract
This paper presents a studying performance of Back – pass plate solar air heating un-glazed collector that is simply say the recent cladding of new building and industrial facade. The use of a solar energy as a source of air heating used for ventilation or air preheating will consequently reduced the energy consumption which is the aim of this paper. This paper describes the main characteristics of this type of air collector and the heat balance between all its components to reach to an equation which shows the air temperature variation across the collector and to study the effects of its main parameters on the temperature rise between the inlet initial air temperature and its outlet air temperature and made the possibility to design such type of air heating system collectors. The main parameter which plays the main role in temperature variation and rise in this type of collector is the solar radiation, it is calculated for the vertical walls facing south and then it is changed to an equation describe its variation through the daylight time for clear and shiny day, the equation is a half – sine model.A useful equation was found to predict the temperature variation and the rise on the air collector and gives a good indication about the system performance to make it simply to understanding the work of this type of air collectors.

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