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STUDY ON AIR VELOCITY DISTRIBUTION IN CONVENTIONAL FLOW TYPE CLEAN ROOMS. 2. NUMERICAL ANALYSIS FOR DIFFUSION FIELD IN CLEAN ROOM MODELS CONCERNING VARIOUS POSITIONS OF CONTAMINANT SOURCES.

[In Japanese. / En japonais.]

Author(s) : MURAKAMI S., KATO S., SUYAMA Y.

Type of article: Article

Summary

IN DESIGNING EFFECTIVE CONTAMINATION CONTROL IN A CONVENTIONAL (TURBULENT) FLOW TYPE CLEAN ROOM, AN UNDERSTANDING OF THE FLOW FIELD ITSELF AND ALSO HOW TO CONTROL THE RESULTING DIFFUSION FIELD OF CONTAMINANT IS MOST IMPORTANT. TURBULENT FLOW FIELDS OF VELOCITY AND DIFFUSION IN SEVERAL TYPES OF CONVENTIONAL FLOW TYPE CLEAN ROOMS ARE PRECISELY ANALYZED BY MEANS OF NUMERICAL SIMULATION BASED ON THE TWO-EQUATION TURBULENCE MODEL. THE DETAILED ANALYSES OF CONTAMINANT DIFFUSION BY SIMULATION MAKE IT POSSIBLE TO COMPREHEND CLEARLY THE STRUCTURES OF VELOCITY AND DIFFUSION FIELDS IN CLEAN ROOMS. THE FLOW FIELDS ARE MAINLY CHARACTERIZED BY THE INFLOW JET AND THE RISING STREAMS AROUND IT.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1989-0703
  • Languages: Japanese
  • Source: Transaction of the Society of Heating, Air-conditioning and Sanitary Engineers of Japan - n. 37
  • Publication date: 1988
  • Document available for consultation in the library of the IIR headquarters only.

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