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PEM 연료전지용 터보 블로워의 내구성에 관한 실험적 연구An Experimental Study on the Durability Test for PEM Fuel Cell Turbo-blower

Other Titles
An Experimental Study on the Durability Test for PEM Fuel Cell Turbo-blower
Authors
이용복이희섭정진택
Issue Date
2008
Publisher
한국자동차공학회
Keywords
Turbo-blower; Oil-free foil bearing; PEM fuel cell; BOP : Balance of plant; Parasitic power; 터보 블로워; 무급유 포일 베어링; 고분자 전해질 연료전지; 주변장치; 소모 동력
Citation
한국자동차공학회 논문집, v.16, no.5, pp.37 - 43
Indexed
KCI
Journal Title
한국자동차공학회 논문집
Volume
16
Number
5
Start Page
37
End Page
43
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/124885
ISSN
1225-6382
Abstract
The durability test of turbo-blower for PEM fuel cell is very important process of BOP development. It is a major barrier to the commercialization of these systems for stationary and transportation power applications. Commercial viability depends on improving the durability of the air supply system to increase the reliability and to reduce the lifetime cost. In this study, turbo-blower supported by oil-free bearing is introduced as the air supply system used by 80kW proton exchange membrane fuel systems. The turbo-blower is a turbo machine which operates at high speed, so air foil bearings suit their purpose as bearing elements. The impeller of blower was adopted mixed type of centrifugal and axial. So, it has several advantages for variable operating condition. The turbo-blower test results show maximum parasitic power levels below 1.67kW with the 30,000 rpm rotating speed, the flow rate of air has maximum 163SCFM(@PR1.1). For proper application of FCV, these have to durability test. This paper describes the experiment for confirming endurance and stability of the turbo-blower for 500 hours.
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