Experimental and Theoretical Investigations on Heat Transfer of Strongly Heated Turbulent Gas Flow in an Annular Duct

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概要

• 論文の詳細を見る

• Heat transfer experiments have been conducted for strongly heated gas flow in an annular duct. Special attention is paid to the laminar-turbulent transitional region. The results show that laminarization was not observed within the range of the experiments, although this phenomenon took place in a heated circular pipe when other conditions were the same. Above a certain heat flux, the heat transfer coefficient in the downstream region tends to follow a new correlation : Nu_s=0.071Re^<0.6>_b Pr^<0.4>_b, which is independent of the heat flux. Numerical analyses are made using three types of turbulence models : k-kL-<uv>^^^-, k-ε-<uv>^^^-, and k-εmodels. The calculations were compared with the measurements, and better agreement was obtained for the k-kL-<uv>^^^- model.

• 一般社団法人日本機械学会の論文
• 1991-08-15

著者

• Fujii Sadao

  Nuclear System Division Kawasaki Heavy Industries Ltd. Tokyo Design Office

• AKINO Norio

  Department of High Temperature Engineering, Tokai Establishment, Japan Atomic Energy Research Instit

• HISHIDA Makoto

  Department of High Temperature Engineering, Tokai Establishment, Japan Atomic Energy Research Instit

• KAWAMURA Hiroshi

  Mechanical Engineering, Faculty of Science and Technology, Science University of Tokyo

• SANOKAWA Konomo

  Department of High Temperature Engineering, Tokai Establishment, Japan Atomic Energy Research Instit

• Sanokawa Konomo

  Department Of High Temperature Engineering Tokai Establishment Japan Atomic Energy Research Institut

• Akino N

  Japan Atomic Energy Res. Inst.

• Hishida M

  Department Of Electronics And Mechanical Engineering Chiba University

• Hishida Makoto

  Department Electronics And Mechanical Engineering Chiba University

• Kawamura Hiroshi

  Mechanical Engineering Faculty Of Science And Technology Science University Of Tokyo

関連論文

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