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Experimental study on thermal environment in a room with cooling jet and cooling panel. 3. Influence of obstacles in room and change of cooling method of ceiling.

[In Japanese. / En japonais.]

Author(s) : MURAKAMI S., KATO S., TAKAHASHI Y., CHOI D., KITAZAWA T., NAKATANI Y.

Type of article: Article

Summary

In the paper, the authors experimentally examine the influence of obstacles in the room such as a bed and a blind with thermal insulation. The bed arranged within a stagnant air region has little influence on the air flow and air temperature distribution in the room. However, it does affect the surface temperature distribution of the floor. The blind with thermal insulation has great effect of reducing the heat radiation from the window. Two types of cooling systems were tested with no active cooling of the ceiling. In one type, supply air is ejected horizontally from an outlet at the center of the ceiling. In the second type, a slot supply outlet is installed at the corner between the ceiling and the wall. The latter system is rather efficient for radiative cooling by the passively cooled ceiling.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1996-2407
  • Languages: Japanese
  • Source: Transaction of the Society of Heating, Air-conditioning and Sanitary Engineers of Japan - n. 58
  • Publication date: 1995/06
  • Document available for consultation in the library of the IIR headquarters only.

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