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Influences of friction drag on spontaneous condensation in water vapor supersonic flows

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Abstract

A mathematical model was developed to investigate the water vapor spontaneous condensation under supersonic flow conditions. A numerical simulation was performed for the water vapor condensable supersonic flows through Laval nozzles under different flow friction conditions. The comparison between numerical and experimental results shows that the model is accurate enough to investigate the supersonic spontaneous condensation flow of water vapor inside Laval nozzles. The influences of flow friction drag on supersonic spontaneous condensation flow of water vapor inside Laval nozzles were investigated. It was found that the flow friction has a direct effect on the spontaneous condensation process and therefore it is important for an accurate friction prediction in designing this kind of Laval nozzles.

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Authors and Affiliations

  1. Education Ministry Key Lab of Enhanced Heat Transfer & Energy Conversation and Beijing Education Key Lab of Heat Transfer & Energy Conversion, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing, 100124, China

    WenMing Jiang, ZhongLiang Liu, HengWei Liu, HuiZhong Pang & LingLing Bao

Authors
  1. WenMing Jiang
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  2. ZhongLiang Liu
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  3. HengWei Liu
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  4. HuiZhong Pang
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  5. LingLing Bao
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Corresponding author

Correspondence to ZhongLiang Liu.

Additional information

Supported by the National Natural Science Foundation of China (Grant No. 50676002), the Specialized Research Fund for the Doctoral Program of Higher Education (Grant No. 20040005008) and the Beijing Best Innovation Person Selecting Project (2006)

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Jiang, W., Liu, Z., Liu, H. et al. Influences of friction drag on spontaneous condensation in water vapor supersonic flows. Sci. China Ser. E-Technol. Sci. 52, 2653–2659 (2009). https://doi.org/10.1007/s11431-009-0121-5

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  • DOI: https://doi.org/10.1007/s11431-009-0121-5

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