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Proper functioning of domestic hot water circulation in residential buildings

Wollerstrand, Janusz LU and Persson, Tommy LU (2004) 17th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy and Process Systems (ECOS 2004) In Energy-Efficient, Cost-Effective and Environmentally-Sustainable Systems and Processes, Vols 1-3 p.1495-1502
Abstract
The paper deals with domestic hot water circulation (DHWC) in residential buildings. Thermostatic circulation valves (TCV) of self-acting type can be used to assure proper temperature level in DHWC systems. A mathematic model of a DHWC system with TCV's in a 36 flat residential building is presented as well as results from steady-state and dynamic Simulations. The TCV design values used in simulations was based on results from laboratory tests of the number commercially obtainable TCV's (also described in the paper). The authors conclude that DHWC systems equipped with TCV's of highest gain and lowest hysteresis as achieved during laboratory test, was working satisfactory. However higher gain and/or lower hysteresis lead to larger spread... (More)
The paper deals with domestic hot water circulation (DHWC) in residential buildings. Thermostatic circulation valves (TCV) of self-acting type can be used to assure proper temperature level in DHWC systems. A mathematic model of a DHWC system with TCV's in a 36 flat residential building is presented as well as results from steady-state and dynamic Simulations. The TCV design values used in simulations was based on results from laboratory tests of the number commercially obtainable TCV's (also described in the paper). The authors conclude that DHWC systems equipped with TCV's of highest gain and lowest hysteresis as achieved during laboratory test, was working satisfactory. However higher gain and/or lower hysteresis lead to larger spread of temperature in DHWC pipes and are not recommended. (Less)
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author
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
characteristics, valve, thermostatic circulation valves, domestic hot water circulation, simulation
in
Energy-Efficient, Cost-Effective and Environmentally-Sustainable Systems and Processes, Vols 1-3
pages
1495 - 1502
publisher
Instituto Mexicano del Petróleo
conference name
17th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy and Process Systems (ECOS 2004)
external identifiers
  • WOS:000232747300136
language
English
LU publication?
yes
id
1614ef20-4a43-4649-9c01-6e6bb8ec394d (old id 1406400)
date added to LUP
2009-06-05 14:17:33
date last changed
2016-04-16 09:43:36
@inproceedings{1614ef20-4a43-4649-9c01-6e6bb8ec394d,
  abstract     = {The paper deals with domestic hot water circulation (DHWC) in residential buildings. Thermostatic circulation valves (TCV) of self-acting type can be used to assure proper temperature level in DHWC systems. A mathematic model of a DHWC system with TCV's in a 36 flat residential building is presented as well as results from steady-state and dynamic Simulations. The TCV design values used in simulations was based on results from laboratory tests of the number commercially obtainable TCV's (also described in the paper). The authors conclude that DHWC systems equipped with TCV's of highest gain and lowest hysteresis as achieved during laboratory test, was working satisfactory. However higher gain and/or lower hysteresis lead to larger spread of temperature in DHWC pipes and are not recommended.},
  author       = {Wollerstrand, Janusz and Persson, Tommy},
  booktitle    = {Energy-Efficient, Cost-Effective and Environmentally-Sustainable Systems and Processes, Vols 1-3},
  keyword      = {characteristics,valve,thermostatic circulation valves,domestic hot water circulation,simulation},
  language     = {eng},
  pages        = {1495--1502},
  publisher    = {Instituto Mexicano del Petróleo},
  title        = {Proper functioning of domestic hot water circulation in residential buildings},
  year         = {2004},
}