Climate crisis mitigation roadmaps,policies and directives have increasingly declared that a key element for the facilitation of sustainable urban development is on-site decentralized renewable energy generation.A tec...Climate crisis mitigation roadmaps,policies and directives have increasingly declared that a key element for the facilitation of sustainable urban development is on-site decentralized renewable energy generation.A technology with enhanced capabilities,able of promoting the integration of renewable energy into buildings,for energy independent and resilient communities,is Photovoltaic Thermal(PVT)systems.Ongoing research has potential yet displays a lack in unified methodology.This limits its influence on future decision-making in building and city planning levels.In this investigation,the often overlooked air-based PVT technology is put on the spotlight and their suitability for integration with energy systems of buildings is assessed.The aim of this study is to highlight vital performance and integration roadblocks in PVT research and offer suggestions for overcoming them.The methodology of reviewed literature is examined in detail with the goal of contributing to a unified approach for more impactful research.展开更多
In this paper,a numerical study is carried out to investigate the performance of a coupled BIPV/T-AHU system in Sudan.A mathematical model was utilzed,Matab Simulink was used to do simul ation.Results showed good agre...In this paper,a numerical study is carried out to investigate the performance of a coupled BIPV/T-AHU system in Sudan.A mathematical model was utilzed,Matab Simulink was used to do simul ation.Results showed good agreement with experimental data from the literature.The problem studied in this paper is reducing the energy required for heating in winter(preheating BIPV/T)and avoiding the high photovoltaic cell temperature in summer.We compare the energy consumption with and without BIPV/T-AHU in different cities in Sudan.The results showed that utilizing the exhaust air to cool the photovoltaic cell could reduce the PV/T cell temperature in the range(9-12)℃,which can increase the eletrical power output in a range of(12-21.44)W/m^(2).In winter,utilization of the preheating BIPV/T system can decrease the heating load in Wadi Halfa in the range of(6-107.1%).Damazein does not need a high heating power in the daytime for the ait conditioning system depending on the local climate,so the heat energy produced by the system can be used for drying,desiccant cooling,or heating water,with increasing the eletrice power produced by cooling PV/T cells.The results indicated a great posibility to use the BIPV 1 T system under the studied conditions,in addition,this study provides important information for the application of the BIPV/T system in these areas.展开更多
基金the financial support from the Swedish Energy Agency(grant number:52488-1).
文摘Climate crisis mitigation roadmaps,policies and directives have increasingly declared that a key element for the facilitation of sustainable urban development is on-site decentralized renewable energy generation.A technology with enhanced capabilities,able of promoting the integration of renewable energy into buildings,for energy independent and resilient communities,is Photovoltaic Thermal(PVT)systems.Ongoing research has potential yet displays a lack in unified methodology.This limits its influence on future decision-making in building and city planning levels.In this investigation,the often overlooked air-based PVT technology is put on the spotlight and their suitability for integration with energy systems of buildings is assessed.The aim of this study is to highlight vital performance and integration roadblocks in PVT research and offer suggestions for overcoming them.The methodology of reviewed literature is examined in detail with the goal of contributing to a unified approach for more impactful research.
基金This work was jointly supported by Research Fund of State Key Lab-oratory of Technologies in Space Cryogenic Propellants(SKLTSCP1601)Scientific Research Foundation of Graduate School of Southeast Uni-versity GS501100012595 NO.YBYP1903).
文摘In this paper,a numerical study is carried out to investigate the performance of a coupled BIPV/T-AHU system in Sudan.A mathematical model was utilzed,Matab Simulink was used to do simul ation.Results showed good agreement with experimental data from the literature.The problem studied in this paper is reducing the energy required for heating in winter(preheating BIPV/T)and avoiding the high photovoltaic cell temperature in summer.We compare the energy consumption with and without BIPV/T-AHU in different cities in Sudan.The results showed that utilizing the exhaust air to cool the photovoltaic cell could reduce the PV/T cell temperature in the range(9-12)℃,which can increase the eletrical power output in a range of(12-21.44)W/m^(2).In winter,utilization of the preheating BIPV/T system can decrease the heating load in Wadi Halfa in the range of(6-107.1%).Damazein does not need a high heating power in the daytime for the ait conditioning system depending on the local climate,so the heat energy produced by the system can be used for drying,desiccant cooling,or heating water,with increasing the eletrice power produced by cooling PV/T cells.The results indicated a great posibility to use the BIPV 1 T system under the studied conditions,in addition,this study provides important information for the application of the BIPV/T system in these areas.
