Indoor climate design based on CFD coupled simulation of convection, radiation, and HVAC control for attaining a given PMV value

Shuzo Murakami, Shinsuke Kato, Tae Yeon Kim

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

A new computational fluid dynamics (CFD) simulation for designing indoor climates is presented in this study. It is coupled with a radiative heat transfer simulation and heating, ventilating, and air-conditioning (HVAC) control system in a room. This new method can feed back the outputs of the CFD to the input conditions for controlling the HVAC system, and includes a human model to evaluate the thermal environment. It can becaused to analyze the conditions of the HVAC system (e.g. temperature of supply air surface temperature of radiation panel, etc.) and the heating/cooling loads of different HVAC systems under the condition of the same human thermal sensation (e.g. PMV, operative temperature, etc.) To examine the performance of the new method, a thermal environment within a semi-enclosed space which opens into an atrium space is analyzed under the steady-state conditions during the summer season. Using this method, the most energy efficient HVAC system can be chosen under the same PMV value. In this paper, two types of HVAC system are compared: one is a radiation-panel system and the other is an all-air cooling system. The radiation-panel system is found to be more energy efficient for cooling the semi-enclosed space in this study.

Original languageEnglish
Pages (from-to)701-709
Number of pages9
JournalBuilding and Environment
Volume36
Issue number6
DOIs
Publication statusPublished - 2001 Jul 1

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air conditioning
heat pump
conditioning
computational fluid dynamics
Air conditioning
Computational fluid dynamics
convection
air
climate
heating
Radiation
Heating
simulation
Values
cooling
Cooling
energy
open space
Air
radiation

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Civil and Structural Engineering
  • Geography, Planning and Development
  • Building and Construction

Cite this

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abstract = "A new computational fluid dynamics (CFD) simulation for designing indoor climates is presented in this study. It is coupled with a radiative heat transfer simulation and heating, ventilating, and air-conditioning (HVAC) control system in a room. This new method can feed back the outputs of the CFD to the input conditions for controlling the HVAC system, and includes a human model to evaluate the thermal environment. It can becaused to analyze the conditions of the HVAC system (e.g. temperature of supply air surface temperature of radiation panel, etc.) and the heating/cooling loads of different HVAC systems under the condition of the same human thermal sensation (e.g. PMV, operative temperature, etc.) To examine the performance of the new method, a thermal environment within a semi-enclosed space which opens into an atrium space is analyzed under the steady-state conditions during the summer season. Using this method, the most energy efficient HVAC system can be chosen under the same PMV value. In this paper, two types of HVAC system are compared: one is a radiation-panel system and the other is an all-air cooling system. The radiation-panel system is found to be more energy efficient for cooling the semi-enclosed space in this study.",
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Indoor climate design based on CFD coupled simulation of convection, radiation, and HVAC control for attaining a given PMV value. / Murakami, Shuzo; Kato, Shinsuke; Kim, Tae Yeon.

In: Building and Environment, Vol. 36, No. 6, 01.07.2001, p. 701-709.

Research output: Contribution to journalArticle

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