Analysis and simulation of concentrating photovoltaic systems with a microchannel heat sink

摘要: Abstract A new cooling technique for low concentration photovoltaic (LCPV) system is presented using a microchannel heat sink. This study investigates the influence of operating conditions such as ratio, mass flow rate, wind speed, ambient temperature, and liquid inlet temperature on performance thermal system. comprehensive model developed which includes photovoltaic, coupled with thermo-fluid The numerical results are validated different sets available experimental computational data. variation solar cell electrical efficiency investigated energy budget approach to interpreting conditions. predicted indicate that use sink very effective technique. especially true concentrated systems in significant reduction attained, along uniform distribution. At Reynolds number 100, it found at ratio 20, local varies between 33.5 35.6 °C, while 40 ranges from 37 41 °C. Furthermore, 40, reaches 18.5%, achieves maximum 62.5%, whereas power loss friction estimated be about 0.4% output. Finally, comparison previous temperatures current conducted dimensional analysis finding common groups various methodologies used. Comparisons utmost possible temperature.