Adjustment of hydronic systems in central cooling/heating plants to reduce pump electricity consumption

Tatsuo Nagai, Masatora Kojima, Katsuhiro Miura, Kuniaki Mihara

Research output: Contribution to conferencePaperpeer-review

Abstract

In the present paper, we propose a procedure for balancing primary and secondary pumps in hydronic systems in central cooling/heating plants. This procedure is easy to introduce and contribute to a reduction in the power consumption of the pumps. For this purpose, we perform experiments and investigate the effects of adjusting the parameters, such as the opening of the balancing valves and the differential pressure set-point. In addition, we construct a pipe-network calculation module in order to implement into the TRNSYS programming tool, and carry out a simulation study to introduce a recommended balancing procedure, the effects of which are verified by performing virtual balancing through a simulation.

Original languageEnglish
Pages2507-2513
Number of pages7
Publication statusPublished - 2011
Event12th Conference of International Building Performance Simulation Association Building Simulation 2011, BS 2011 - Sydney, NSW, Australia
Duration: 14 Nov 201116 Nov 2011

Conference

Conference12th Conference of International Building Performance Simulation Association Building Simulation 2011, BS 2011
Country/TerritoryAustralia
CitySydney, NSW
Period14/11/1116/11/11

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