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Numerical Analysis on a Hydrogen Diaphragm Compressor with Various Oil Distribution Holes Pattern for Hydrogen Compressor  

Park, Hyun-Woo (Graduate School of Mechanical Engineering, Pusan National Univ.)
Shin, Young-Il (School of Mechanical Engineering, Pusan National Univ., RIMT, PC3)
Kim, Gyu-Bo (School of Mechanical Engineering, Pusan National Univ., RIMT, PC3)
Song, Ju-Hun (School of Mechanical Engineering, Pusan National Univ., RIMT, PC3)
Chang, Young-June (School of Mechanical Engineering, Pusan National Univ., RIMT, PC3)
Jeon, Chung-Hwan (School of Mechanical Engineering, Pusan National Univ., RIMT, PC3)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.20, no.2, 2009 , pp. 87-94 More about this Journal
Abstract
There are several types of compressors which are appropriate for hydrogen gas station. Diaphragm type of compressor is the one of them and it satisfies the requirements for that purpose in terms of maintaining gas purity and making high pressure over 700 bar. The objective of this study is to find an optimal design of oil distribution hole configuration. The number of holes is changed maintaining total cross-sectional area of holes. Five cases(1 hole, 4, 8,16 and 24 holes) were studied through Fluid Structure Interaction(FSI) analysis method. Gas and oil pressure, the deflection and stress of the diaphragm were analysed during compression and suction process respectively. There is no specific difference among the cases during compression. An additional deflection due to the existence of hole was found during suction for all case. But the highest deflection and stress were found in the 1 hole case. It was seen that 60% decrease of stress in magnitude in 24 hole case compare to the 1 hole case.
Keywords
Hydrogen compressor; Oil distribution holes; FSI analysis;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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