Desuperheater heat recovery hot water heating systems in subtropics: Using water cooling towers to extract heat from ambient air as heat source

Kun Xiong Tan, Shiming Deng, Tom Watson

Research output: Journal article publicationConference articleAcademic researchpeer-review

5 Citations (Scopus)

Abstract

In subtropical regions, using desuperheater heat recovery hot water heating systems is commonly seen. However, there may be insufficient heat to recover from an air-conditioning system in cold seasons due to buildings' reduced cooling loads. A standard water cooling tower may then be operated in a reverse mode to extract heat from ambient air, as part of a heat source for water heating, so that a backup heating provision may be eliminated. This paper describes a number of actual installations of desuperheater heat recovery hot water heating systems with cooling towers, operated to supply heat in subtropical regions in China, and reports on the on-site measured operating performance of such a heat recovery system.
Original languageEnglish
Pages (from-to)608-612
Number of pages5
JournalASHRAE Transactions
Volume107 PART 2
Publication statusPublished - 1 Dec 2001
Event2001 ASHRAE Annual Meeting - Cincinnati, OH, United States
Duration: 24 Jun 200127 Jun 2001

ASJC Scopus subject areas

  • Building and Construction
  • Mechanical Engineering

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