The Calculation of Optimized Slop of Flat Solar Collectors and Comparing of Their Application at Each Month of the Year in Kerman
Today energy crisis and inherent environmental pollution caused by increasing consumption of non-renewable resources are one of the most major concerns of many countries including Iran and using of them is one of the most important factors to Earth demolition and climatic changes. Thus, numerous developed and enlarged countries try to extend the application and use of renewable energy resources. In this regard, the solar energy is one of the most important renewable and sustainable energy sources in the world and it mainly can be enumerated as the second largest energy sources in Iran after wind energy. This energy can be exploited in several methods such as flat collectors as one of the simplest and most usable systems that can be used in the buildings and solar chimney power plant. Due to daily and seasonal variations of the sun radiation, the optimal tilt estimation of collectors with maximum efficiency is very important.
This paper is based on a mathematical pattern and climatic data and the optimized tilt of flat collectors in city of Kerman is investigated. Then, by comparing and analyzing results of charts and tables, optimized tilt of flat collector at each month, season and annual are extracted and contrasted. Additionally, the percent of received radiation of each angle of plates in comparison to the optimized Angele are discussed.
In the conclusion section, the optimal angle tilt of collector over the year including spring, summer, autumn and winter seasons besides the optimal angle building heating systems and outdoor swimming pools heating systems are also presented. Finally, efficiency of vertical and horizontal collectors has been investigated with respect to maximizing the efficiency of optimal tilt of collector over the year.
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