424 FEASIBILITY STUDY ON THE EJECTOR-BASED COOLING SYSTEM USING NATURAL REFRIGERANTS(International Session)

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概要

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• This paper presents the feasibility study of ejector-based cooling cycle with three hydrocarbon refrigerants- propane, isobutane and n-butane. The theoretical analysis method for ejector is based on the combination of constant-area-ejector theory and a newly available shock circle model definition. The rigorous thermodynamic property equations of state for the refrigerants are used to incorporate the non-ideality of real fluid, especially near saturation and in two-phase equilibrium. Comparisons of calculation results with available measurement data reveal satisfactory agreement for both entrainment ratio and compression ratio. From the simulation results, propane shows the best performance compared to other two HCs refrigerants in the same operating conditions, especially at higher generator temperatures.

• 2008-07-09

著者

• Chan Sarin

  Faculty of Science and Technology, Keio University

• Takashi Takenobu

  Faculty of Science and Technology, Keio University

• Sato Haruki

  Faculty of Science and Technology, Keio University

• Suwono Aryadi

  Mechanical Engineering Dept., Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Ba

• Sato Haruki

  Faculty Of Engineering Keio University

• Sato Haruki

  Faculty Of Science And Technology Keio University

• Chan Sarin

  Faculty Of Science And Technology Keio University:mechanical Engineering Dept. Faculty Of Mechanical

• Suwono Aryadi

  Mechanical Engineering Dept. Faculty Of Mechanical And Aerospace Engineering Institut Teknologi Band

• Takashi Takenobu

  Faculty Of Science And Technology Keio University

• Sato Haruki

  Graduate School Of Science And Technology Keio University

• Chan Sarin

  Faculty Of Mechanical And Aerospace Engineering Institut Teknologi Bandung

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