Performance evaluation of air cleaning equipment in terms of ETS and odor removal (Part 2)

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Other Title
  • 湿式法を用いた空気清浄装置のたばこ煙および臭気除去性能評価（第2報）
  • 湿式法を用いた空気清浄装置のたばこ煙および臭気除去性能評価(第2報)模擬オフィスに設置した空気清浄装置付き喫煙ブースの評価
  • シッシキホウ オ モチイタ クウキ セイジョウ ソウチ ノ タバコ エン オヨビ シュウキ ジョキョ セイノウ ヒョウカ(ダイ2ホウ)モギ オフィス ニ セッチ シタ クウキ セイジョウ ソウチ ツキ キツエン ブース ノ ヒョウカ
  • Case study of compact smoking booth set in quasi-office
  • ―模擬オフィスに設置した空気清浄装置付き喫煙ブースの評価―

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Abstract

We evaluated air quality of a quasi-office (194.4 m3) in which a smoking booth (24.3 m3) was installed with developed ETS removal equipment (Developed Equipment). The ventilation rate of the office was set 1440 m3 h-1 and the tobacco smoke continuously emitted from 8 cigarettes was processed by the developed equipment with circulation air flow at 1200 m3 h-1 to be exhausted into the office. Increase in the concentrations of tobacco smoke ingredients in the office room was prevented by operating the developed equipment even when 8 cigarettes were burned. Concentrations of carbon monoxide (CO), which was included in tobacco smoke but not be removed by the developed equipment, were increased. However, the concentrations were in range of 0 to 2.7 ppm, which are below the indoor standard value at 10 ppm. This is due to the high ventilation rate. The moisture content, which was emitted by the developed equipment were decreased by the ventilation system. Observed distribution of concentrations of the ingredients of ETS in the office room was not affected by the position of the ventilation exhaust, back of the office room or above developed equipment's outlet. Thus, if we can set the ventilation rate high enough for the volume of the office room, the office air quality can be kept clean. Observed concentrations were well agreed with the CFD simulation results. We can estimate the performance of the smoking booth before actual installation.

Journal

  • Indoor Environment

    Indoor Environment 15 (2), 135-145, 2012

    Society of Indoor Environment, Japan

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