Revision history [back]

Dear all, I would like to simulate a double glazed window integrated photovoltaic that interacts thermally with the building envelope in DesignBuilder (in this case PV is the outermost layer of the assembly). I chose equivalent one-diode as performance type for PV panel. Simulation results showed that surface window transmitted solar radiation rate for conventional double glazed window and double glazed window integrated photovoltaic is the same. It is not acceptable because I chose ASE 300-DFG/50 as PV panel with 0.9 transmittance absorptance product. I think 0.9 transmittance absorptance product does not enter into the computation. Should be noted that I check the exported IDF file and there is no problem and "heat transfer integration mode" was set as "IntegratedSurfaceOutsideFace". Does anybody have any idea? How can I fix that?

Dear all, I would like to simulate a double glazed window integrated photovoltaic that interacts thermally with the building envelope in DesignBuilder (in this case PV is the outermost layer of the assembly). I chose equivalent one-diode as performance type for PV panel. Simulation results showed that surface window transmitted solar radiation rate for conventional double glazed window and double glazed window integrated photovoltaic is the same. It is not acceptable because I chose ASE 300-DFG/50 as PV panel with 0.9 transmittance absorptance product. I think 0.9 transmittance absorptance product does not enter into the computation. Should be noted that I check the exported IDF file and there is no problem and "heat transfer integration mode" was set as "IntegratedSurfaceOutsideFace". Does anybody have any idea? How can I fix that?