書誌事項
- タイトル別名
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- Particle Turbulent Diffusion in a Dust Laden Plane Jet
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説明
Turbulent particle trajectories and velocities in a plane air jet were calculated by using fluid integral scales, intensities and average velocities. From the calculated results the turbulent diffusivity and the local time-averaged velocity of particles are obtained. Measurements of local mean aerosol concentration were made with a photo-electronic dust counter and a dust tube. From the measurements the experimental particle diffusivity is obtained and compared with the theoretical calculation. The results are in good agreement with each other. They indicate that particle diffusivity decreases with an increase of particle inertia. In general the turbulent diffusivity of particles is smaller than that of fluid scalar quantities. Particle inertia and large fluid eddies, which are expressed by the Stokes number and the integral scale, respectively, play an important role in the transport mechanism of particles in two-phase flow.
収録刊行物
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- 化学工学論文集
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化学工学論文集 4 (1), 74-80, 1978
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390282679486796288
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- NII論文ID
- 130000871509
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- ISSN
- 13499203
- 0386216X
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可