Modeling radiant systems in an integrated heat balance based energy simulation program

Richard Karl Strand, Curtis O. Pedersen

Research output: Contribution to journalConference articlepeer-review

Abstract

For many years, designers have longed for the ability to make fair and accurate performance comparisons between conventional and radiant-based space conditioning systems. All of the past attempts at fulfilling this desired goal have suffered from a lack of sophistication and/or a lack of visibility and availability. With the release of new energy simulation software (EnergyPlus) by the U.S. Department of Energy in April 2001, architects and engineers were finally able to make system performance comparisons using a fundamentally sound tool that will be widely available to the public. In addition to the ability to model configurable forced air systems, the initial release of the new program also included models for low-temperature radiant heating and cooling systems (electric and hydronic), high-temperature radiant heating systems, thermal comfort evaluations using three established comfort algorithms, and the possibility to investigate "hybrid" systems. This paper discusses the capabilities of the new program with respect to radiant systems as well as provides information on the heat balance method itself and the new radiant model usage, development, and limitations.

Original languageEnglish (US)
Pages (from-to)979-987
Number of pages9
JournalASHRAE Transactions
Volume108
Issue numberPart 2
StatePublished - Jan 1 2002
EventASHRAE Transactions 2002 - Honolulu, HI, United States
Duration: Jun 22 2002Jun 26 2002

ASJC Scopus subject areas

  • Building and Construction
  • Mechanical Engineering

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