書誌事項
- タイトル別名
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- A Linear Stability Analysis of a Vapor Film in Terms of the Triggering of Vapor Explosions.
- ジョウキ バクハツ トリガリング ニ オケル ジョウキ マク ノ センケイ アンテイセイ カイセキ
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A Detailed analytical model to explain the vapor film collapse was developed to evaluate the occurrence conditions of self-triggering vapor explosions. The following conclusions were drawn based on linear stability analysis using the thermo-dynamic property of water, by linearizing and perturbing basic equations (Rayleigh-Lamb-Plesset's bubble momentum equation, the mass conservation equation, the state equation for ideal gas, and the Clausius-Clapeyron equation). The vapor film stabilizes with the reduction of the hot-liquid diameter, decreasing the condensation heat transfer coefficient, and increasing the thermal radiation coefficient. The cold-liquid viscosity and surface tension have a stabilizing effect, though this effect is negligibly small where the hot-liquid diameter is over 1 mm. The analysis predicts the vapor explosion occurrence limits obtained experimentally by other researchers to within approximately 10 K.
収録刊行物
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- 日本機械学会論文集Ｂ編
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日本機械学会論文集Ｂ編 68 (675), 3176-3182, 2002
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390282681160259200
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- NII論文ID
- 130004224762
- 110002387666
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- NII書誌ID
- AN00187441
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- ISSN
- 18848346
- 03875016
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- NDL書誌ID
- 6366233
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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
- NDL
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- 使用不可