The determination of internal building air temperature has an impact on the design and performance of a building in measuring thermal comfort and heating and cooling loads.There is software to assist with measuring in...The determination of internal building air temperature has an impact on the design and performance of a building in measuring thermal comfort and heating and cooling loads.There is software to assist with measuring internal building air tem-perature such as Autodesk CFD simulation.However,the use of Autodesk CFD simulation for the analysis appears to have an issue with simulations extending over a long term(i.e.months or years)as the internal air temperature in a building keeps rising with time.This paper addresses the challenges encountered using CFD simu-lation in the modelling of a building for long term performance.A new method to overcome the issue of the progressive rising of internal air temperature using two external air boundaries,one for the external volume(sky boundary)and the other surrounding the building,is suggested in the paper.展开更多
基金supported by the Australian Research Council(LP 120100064)Think Brick Australia and their support is gratefully acknowledged.
文摘The determination of internal building air temperature has an impact on the design and performance of a building in measuring thermal comfort and heating and cooling loads.There is software to assist with measuring internal building air tem-perature such as Autodesk CFD simulation.However,the use of Autodesk CFD simulation for the analysis appears to have an issue with simulations extending over a long term(i.e.months or years)as the internal air temperature in a building keeps rising with time.This paper addresses the challenges encountered using CFD simu-lation in the modelling of a building for long term performance.A new method to overcome the issue of the progressive rising of internal air temperature using two external air boundaries,one for the external volume(sky boundary)and the other surrounding the building,is suggested in the paper.
