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STUDY ON DISTRIBUTION OF AIRBORNE PARTICLES UNDERGOING GRAVITATIONAL SETTLING IN CONVECTION DOMINANT INDOOR AIR FLOW.

[In Japanese. / En japonais.]

Author(s) : MURAKAMI S.

Type of article: Article

Summary

TO KEEP AIR HIGH CLEANLINESS IN A CLEAN ROOM, IT IS NECESSARY TO PREDICT AND CONTROL THE DISTRIBUTION OF AIRBORNE PARTICLES IN IT. THERE WILL BE 3 METHODS FOR PREDICTION: FULL-SCALE EXPERIMENT, MODEL EXPERIMENT AND NUMERICAL SIMULATION. IN THE PAPER, THE CHARACTERISTICS OF DIFFUSION PROCESS OF AIRBORNE PARTICLES IN A CLEAN ROOM IS INVESTIGATED BYFULL-SCALE AND MODEL EXPERIMENT. THE DIFFUSION PROCESS OF AIRBORNE PARTICLES CAN BE CONSIDERED TO BE THE SAME AS THAT OF PASSIVE CONTAMINANT, IF THE PARTICLES CONCENTRATION IS UNDER 10 MILLIARDS PARTICLES/M3 AND THE PARTICLE SIZEIS SMALLER THAN ABOUT 5 MICROMETERS.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1989-2424
  • Languages: Japanese
  • Source: Transaction of the Society of Heating, Air-conditioning and Sanitary Engineers of Japan - n. 39
  • Publication date: 1989
  • Document available for consultation in the library of the IIR headquarters only.

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