Analysis of the hygrothermal environment in high-insulation houses using stand-type radiation panel system

Lee Myonghyang, Akihito Ozaki, Yosuke Chiba, Tadasu Ohishi

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

In recent years, the demand for a highly efficient and comfortable hygrothermal environment has increased. Residential air conditioning using a system based on forced convection is prevalent in Japan. However, there are several problems associated with this type of system, such as unbalanced indoor temperature distribution, discomfort due to airflow, and diffusion of house dust. In addition, this system might also cause discomfort to the occupants, such as overcooling in the summer and excessive drying in the winter. An alternative is the radiation cooling/heating system, an air conditioning system that is already popular in Europe. This system is also being introduced into houses in Japan through mechanisms such as floor radiant heating. However, these systems tend not to be widely used due to unknown characteristics such as the delay in achieving the desired temperature, dehumidification due to condensation, and the radiant heat of the panel. In this study, we analyze indoor radiant heat and humidity characteristics using a stand-type radiation cooling/heating panel system installed in a highly insulated house. The characterization is performed using real-time measurements as well as numerical simulation. By using THERB for HAM (a residential building thermal environment simulation program for analyzing heat and moisture transfer), it is possible to predict the hygrothermal environment and the heat load of an entire building. We incorporate the algorithms for computing the parameters of the radiation panel system (heat convection, heat radiation, and two-dimensional heat conduction) in this simulation software.

本文言語英語
ホスト出版物のタイトル15th International Conference of the International Building Performance Simulation Association, Building Simulation 2017
編集者Charles S. Barnaby, Michael Wetter
出版社International Building Performance Simulation Association
ページ276-283
ページ数8
ISBN(電子版)9781510870673
DOI
出版ステータス出版済み - 2017
イベント15th International Conference of the International Building Performance Simulation Association, Building Simulation 2017 - San Francisco, 米国
継続期間: 8 7 20178 9 2017

出版物シリーズ

名前Building Simulation Conference Proceedings
1
ISSN(印刷版)2522-2708

会議

会議15th International Conference of the International Building Performance Simulation Association, Building Simulation 2017
国/地域米国
CitySan Francisco
Period8/7/178/9/17

All Science Journal Classification (ASJC) codes

  • 建築および建設
  • 建築
  • モデリングとシミュレーション
  • コンピュータ サイエンスの応用

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