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- KIKUCHI Yoshihiro
- Department of Mechanical Engineering Hiroshima University
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- TATSUTA Koichi
- Ishibe Works NSK Ltd.
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- SAKO Mitsuo
- Department of Mechanical Engineering Hiroshima University
書誌事項
- タイトル別名
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- Effect of Surface Coating Layer on Air-
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This paper deals with transient boiling heat transfer to mist flow of air-water mixture from hot metals coated with a thin layer of low thermal conductivity material. The test specimens used for the present experiment are silver and stainless steel disks whose heat transfer surface is coated with a refractory paint over the thickness range, 3-38μm. The heated disk of 750°C is plunged vertically into the mist flow and is cooled down to the temperature of air-water mixture under atmospheric pressure. The mass velocity of water ranges between 0.04 and 0.78kg/m2-s. The air velocity is varied from 3 to 7m/s. The coating produces a great enhancement in heat transfer, especially in transition and film boiling regions. This enhancement becomes higher with increasing coating thickness since minimum film boiling temperature becomes higher and an earlier transition from film to transition boiling occurs. Heat transfer is more enhanced as mass velocity of water increases although it has a weak dependence on air velocity.
収録刊行物
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- Journal of Nuclear Science and Technology(日本原子力学会英文論文誌)
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Journal of Nuclear Science and Technology(日本原子力学会英文論文誌) 35 (7), 477-484, 1998
一般社団法人 日本原子力学会
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詳細情報 詳細情報について
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- CRID
- 1390001204096297472
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- NII論文ID
- 10002079689
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- NII書誌ID
- AA00703720
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- COI
- 1:CAS:528:DyaK1cXls1Crsrk%3D
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- ISSN
- 18811248
- 00223131
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- NDL書誌ID
- 4525684
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可