A Study on Thermal Properties of New V Corrugated Panel Solar Air Heater Based on Engineering Examples

Abstract

In this paper, a new type of v-shaped corrugated plate solar air heater is proposed by improving the structure of the collector plate and adding a heat storage unit built-in phase change material (PCM). We carry out experimental research combined with engineering examples to analyze and study the thermal performance parameters such as inlet and outlet temperature difference, instantaneous thermal efficiency and energy utilization ratio of the device. The results show that when the mass flow rate is 0.0545 kg/s and 0.0623 kg/s respectively, the average indoor temperature of v-type corrugated plate solar air heater with and without P CM heat storage unit is increased by 6.76, 16.80, 10.20, and 18.5 °C, respectively At the same time, the temperature difference between the inlet and outlet of the v-type corrugated plate solar air heater with P CM heat storage unit is 2.2 and 2.4 °C less than that of the v-type SAH without P CM heat storage unit, and the mass flow rate is 0.0545 kg/s. The V-type corrugated plate solar air heater with a PCM heat storage unit has the highest instantaneous thermal efficiency of 54.00 %. The mass flow rate is 0.0623 kg/s, the v-type corrugated plate solar air heater with a PCM heat storage unit has a maximum energy efficiency of 69.40 % and has a good application prospect.