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This analysis uncovers the effects of mass flow rates and concentration ratios on thermal efficiency in CTPTC systems, suggesting performance improvements.
The purpose of this research is to determine the performance of a close type parabolic trough collector (CTPTC) by varying the design and operating parameters on a sunny day. It was carried out at Iraq's Renewable Energy Unit in Hawija. Use water as working fluid (WF) at a mass flow rate of 0.00083, 0.0011, 0.00138 and 0.00166 Kg/s. The concentration ratio of 10, 14, 18 and 22 are used. The fuzzy technique was used to analyze the system's performance, where the theoretical analysis was carried out according to ASHRAE 93-1986 (RA-91). The findings demonstrated that theoretical efficiency reaches a maximum of 58 % when the mass flow is greatest, and the concentration ratio is minimum. Simultaneously, the practical efficiency increases to 38% under the same circumstances.
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Noah Mohammed Saleh (2022) studied this question.
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