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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국유체기계학회 International Journal of Fluid Machinery and Systems International Journal of Fluid Machinery and Systems Vol.7 No.3
- 발행연도
- 2014.9
- 수록면
- 86 - 93 (8page)
- DOI
- http://dx.doi.org/10.5293/IJFMS.2014.7.3.086
이용수
초록· 키워드
오류제보하기
This paper describes performance enhancement of a regenerative blower used for a 20 kW fuel cell system. Two design variables, bending angle of an impeller and blade thickness of an impeller tip, which are used to define an impeller shape, are introduced to enhance the blower performance. Internal flow of the regenerative blower has been analyzed with three-dimensional Navier-Stokes equations to obtain the blower performance. General analysis code, CFX, is introduced in the present work. SST turbulence model is employed to estimate the eddy viscosity. Throughout the numerical analysis, it is found that the thickness of impeller tip is effective to increase the blower efficiency in the present blower. Pressure is successfully increased up to 2.8% compared to the reference blower at the design flow condition. And efficiency is also enhanced up to 2.98 % compared to the reference one. It is noted that low velocity region disturbs to make strong recirculation flow inside the blade passages, thus increases local pressure loss. Detailed flow field inside the regenerative blower is also analyzed and compared.
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참고문헌 (9)
참고문헌 신청
Jang, C.-M. / 2012 / Characteristics of Design Parameters for an Industrial Regenerative Blower / Proceedings of the Summer Conference of The Society of Air-Conditioning and Refrigerating Engineers of Korea :175~178
Jang, C.-M. / 2010 / Enhancement of Performance by Blade Optimization in Two-Stage Ring Blower / J Thermal Science 19(5):383~389
Choi, Y.-S. / 2011 / Design and Performance Evaluation of Side Channel Type Regenerative Blower / KSME Manufacturing and Design Engineering Division Spring Conference
Myers, R. H. / 1995 / Response Surface Methodology: Process and Product Optimization Using Designed Experiments / John Wiley & Sons
Kim, J.-H. / 2011 / Optimization of Vane Diffuser in a Mixed-Flow Pump for High Efficiency Design / International Journal of Fluid Machinery and System 4(1):172~178
Jang, C.-M. / 2010 / Enhancement of Performance by Blade Optimization in Two-Stage Ring Blower / J Thermal Science 19(5):383~389
Choi, Y.-S. / 2011 / Design and Performance Evaluation of Side Channel Type Regenerative Blower / KSME Manufacturing and Design Engineering Division Spring Conference
Myers, R. H. / 1995 / Response Surface Methodology: Process and Product Optimization Using Designed Experiments / John Wiley & Sons
Kim, J.-H. / 2011 / Optimization of Vane Diffuser in a Mixed-Flow Pump for High Efficiency Design / International Journal of Fluid Machinery and System 4(1):172~178
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