Research on the full-solar heating system applied to rural residence
In order to realize full-solar heating of rural residential buildings,this study de-signed two types of full-solar heating systems,that are photothermal heating systems and photovoltaic/thermal(PV/T)photoelectric heating systems.Taking Lhasa as a typical are-a,this study simulated the operation performance and economy effect of the two systems by using TRNSYS software and made a comparative analysis.The results showed that the two systems could both satisfy the needs of indoor heating through reasonable design.The PV/T photoelectric heating system can achieve stable indoor temperature,while in contrast the in-door temperature of the photothermal heating system fluctuated greatly.Furthermore,the collector area and water tank volume required by the photothermal heating system are signif-icantly larger than that of the PV/T photoelectric heating system.Compared with conven-tional heating systems,the payback periods of the photothermal heating system and the PV/T photoelectric heating system are 5.87 years and 2.3 years respectively.Therefore,PV/T photoelectric heating system has more application prospects in the single residential buildings in rural areas.
solar heatingrural residential buildingsoperation performanceeconomyTRN-SYS simulation
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