Integrating radiant/operative temperature controls into building energy simulations

Jianlei Niu, J. Burnett

Research output: Journal article publicationConference articleAcademic researchpeer-review

25 Citations (Scopus)


This paper proposes that radiant temperature effects should be counted in energy simulation programs. This can be realized by using the operative temperature as the indoor design condition. Two solution methods are proposed to implement the concept into the ASHRAE heat balance method - one is a direct solution method and the other is the iterative method. The direct solution method saves computational time but requires delicate programming, whereas the iterative method needs minimal modification of any existing program based upon the heat balance method. The significance of the operative temperature control is illustrated by performing five case simulation studies, and it is shown that the method makes a significant difference when relatively large temperature differences exist between the room surfaces and the room air.
Original languageEnglish
Pages (from-to)210-217
Number of pages8
JournalASHRAE Transactions
Issue number2
Publication statusPublished - 1 Dec 1998
EventProceedings of the 1998 ASHRAE Annual Meeting - Toronto, Canada
Duration: 21 Jun 199824 Jun 1998

ASJC Scopus subject areas

  • Building and Construction
  • Mechanical Engineering


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