Development of Boiling and Two-Phase Flow Experiments on Board ISS (Condensation Section)

Ryoji IMAI; Koichi SUZUKI; Haruo KAWASAKI; Haruhiko OHTA; Yasuhisa SHINMOTO; Hitoshi ASANO; Osamu KAWANAMI; Kiyosumi FUJII; Satoshi MATSUMOTO; Takashi KURIMOTO; Hidemitsu TAKAOKA; Michito SAKAMOTO; Koushiro USUKU; Kenichiro SAWADA

doi:10.15011/ijmsa.33.330103

Ryoji IMAI , Koichi SUZUKI, Haruo KAWASAKI, Haruhiko OHTA, Yasuhisa SHINMOTO, Hitoshi ASANO, Osamu KAWANAMI, Kiyosumi FUJII, Satoshi MATSUMOTO, Takashi KURIMOTO, Hidemitsu TAKAOKA, Michito SAKAMOTO, Koushiro USUKU, Kenichiro SAWADA

Author information

Ryoji IMAI [Japan] Corresponding author
Course of Aerospace Engineering, Muroran Institute of Technology [Japan]
Koichi SUZUKI [Japan]
Dept. Mechanical Engineering, Tokyo University Science-Yamaguchi [Japan]
Haruo KAWASAKI [Japan]
Japan Aerospace Exploration Agency [Japan]
Haruhiko OHTA [Japan]
Dept. Aeronautics and Astronautics, Kyushu University [Japan]
Yasuhisa SHINMOTO [Japan]
Dept. Aeronautics and Astronautics, Kyushu University [Japan]
Hitoshi ASANO [Japan]
Dept. Mechanical Engineering, Kobe University [Japan]
Osamu KAWANAMI [Japan]
Dept. Mechanical Engineering, University of Hyogo [Japan]
Kiyosumi FUJII [Japan]
Nara Institute of Science and Technology [Japan]
Satoshi MATSUMOTO [Japan]
Japan Aerospace Exploration Agency [Japan]
Takashi KURIMOTO [Japan]
Japan Aerospace Exploration Agency [Japan]
Hidemitsu TAKAOKA [Japan]
Japan Aerospace Exploration Agency [Japan]
Michito SAKAMOTO [Japan]
Japan Aerospace Exploration Agency [Japan]
Koushiro USUKU [Japan]
Japan Aerospace Exploration Agency [Japan]
Kenichiro SAWADA [Japan]
Japan Aerospace Exploration Agency [Japan]

Keywords: Condenser, Condensation, Boiling flow, Heat transfer coefficient, Arithmetic thermal model, Evaluation test

JOURNAL OPEN ACCESS

2016 Volume 33 Issue 1 Pages 330103-

DOI https://doi.org/10.15011/ijmsa.33.330103

Details

Abstract

Thermal design and evaluation test for condenser system was conducted for the planned ISS experiments on two-phase boiling flow promoted by JAXA. Here perfluorohexane is planned to be used as a working fluid. In this condenser, eight rectangular copper tubes where circular channel of 6mm in diameter was installed on a flat type cold plate; same one which had be operated as thermal control system of onorbit experimental modules. Arithmetic thermal model of condenser was established considering tube wall conductivity, heat transfer coefficient on condensation and cooling water flow. Specification of the condenser was determined for 400 W of the maximum heat transport requirements through the analysis by this arithmetic model. Evaluation tests using BBM and EM were conducted to verify thermal performance of condenser. In the BBM test FC72 was used as a working fluid. System requirement for condenser; that is, liquid subcooling at outlet is 10 K and more in consideration of suction performance of circular pump was proved to be satisfied.

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