Natural-Convection Film-Boiling Heat Transfer : Saturated Film Boiling with Long Vapor Film

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概要

• 論文の詳細を見る

• This paper presents a simple model for natural-convection film boiling heat-transfer in staturated liquids for inclined plates. The model assumes that a vapor film has two-dimensional laminar vapor-film units that line up in the longitudinal direction of the plate. To determine the pitch of these units, the model uses the Kelvin-Helmholtz instability analysis. The model agrees with experimental results on heat-transfer coefficient as for the effects of the parameters : fluid properties, surface superheat, surface height, and surface inclination. Besides being applicable to flat surfaces, the model can be successfully extended to the case of saturated film-boiling around large horizontal cylinders. The paper also examines by an experiment in saturated liquid nitrogen the validity of the assumptions made in the analysis, concerning the interfacial behavior of film boiling on a vertical flat plate.

• 一般社団法人日本機械学会の論文
• 1991-05-15

著者

• NISHIO Shigefumi

  Institute of Industrial Science, The University of Tokyo

• Chandratilleke G

  Toshiba Research And Development Center Toshiba Co.

• CHANDRATILLEKE Ganga

  Toshiba Research and Development Center, Toshiba Co.

• OZU Tsutomu

  Total Energy System Development and Service Department, Tokyo Gas Co.

• Nishio Shigefumi

  Institute Of Industrial Science The University Of Tokyo

• Nishio Shigefumi

  Instiute Of Industrial Science University Of Tokyo

• Ozu Tsutomu

  Total Energy System Development And Service Department Tokyo Gas Co.

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