Research on solar water heating system based on TRNSYS simulation optimization

5 Apr 2021 / by YAN YAN, LIYAN ZHANG, YUHAN LI, XIANGYU XU, ZHENCHENG JIANG, FEIYU CHENG

Abstract: In this paper, the typical system of solar energy system: natural circulation system and forced circulation system are analyzed. The two systems are simulated on the TRNSYS platform, and the configuration of the system itself has been discussed. The purpose is to provide reference for the
scientific implementation of solar energy architecture integration. On the basis of summarizing the solar energy construction technology, the natural circulation system and the forced circulation system of solar hot water system have been discussed emphatically. The simulation experiment is designed
on the TRNSYS platform. The influence of different heat collection area and water tank volume on solar energy guarantee rate and system efficiency has been discussed by simulation data. Finally, the optimal allocation scheme of natural constraints of natural circulation and forced circulation has been
obtained.

Keywords: TRNSYS platform; solar fraction; system efficiency; heat collector area; water tank volume

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