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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국유체기계학회 International Journal of Fluid Machinery and Systems International Journal of Fluid Machinery and Systems Vol.8 No.2
- 발행연도
- 2015.6
- 수록면
- 113 - 123 (11page)
- DOI
- http://dx.doi.org/10.5293/IJFMS.2015.8.2.113
이용수
초록· 키워드
오류제보하기
The efficiency of the ventilation system is a key point for durable and reliable electric generators. The design of such system requires a detailed understanding of the air flow in the generator. Computational fluid dynamics (CFD) has the potential to resolve the lack of information in this field. The present work analyses the air flow inside a generator model. The model is designed using a CFD-based approach, and manufactured by taking into consideration the experimental and numerical requirements and limitations. The emphasis is on the possibility to accurately predict and experimentally measure the flow distribution inside the stator channels. A major part of the work is focused on the design of an intake and a fan that gives an evenly distributed flow with a high flow rate. The intake also serves as an accurate flowmeter. Experimental results are presented, of the total volume flow rate, the total pressure and velocity distributions. Steady-state CFD simulations are performed using the FOAM-extend CFD toolbox. The simulations are based on the multiple rotating reference frames method. The results from the frozen rotor and mixing plane rotor-stator coupling approaches are compared. It is shown that the fan design provides a sufficient flow rate for the stator channels, which is not the case without the fan or with a previous fan design. The detailed experimental and numerical results show an excellent agreement, proving that the results reliable.
목차
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참고문헌 (22)
참고문헌 신청
[학술지(정기간행물)] - Traxler-Samek G. / 2010 / Cooling Airflow, Losses, and Temperatures in Large Air-Cooled Synchronous Machines / Industrial Electronics, IEEE Transactions on 57 (1) : 172 ~ 180
[학술지(정기간행물)] - Boglietti A. / 2009 / Evolution and modern approaches for thermal analysis of dlectrical machines / Industrial Electronics IEEE Transactions 56 : 871 ~ 882
[학술대회논문] - Pickering S. J. / 2001 / Modelling ventilation and cooling of the rotors of salient pole machines / International Electric Machines and Drives Conference IEMDC 2001 IEEE : 806 ~ 808
[학술대회논문] - Shanel M. / 2003 / Conjugate heat transfer analysis of a salient pole rotor in an air cooled synchronous generator / International Conference of Machines and Drives IEEE 2 : 737 ~ 741
[학술대회논문] - Ujiie, R. / 2006 / Application of Computational Fluid Dynamics (CFD) on Ventilation-Cooling Optimization of Electrical Machines / Review Energy Technologies - generation, transmission and distribution of electric and thermal energy (ICEMENERG) : 17 ~ 22
[학술지(정기간행물)] - Boglietti A. / 2009 / Evolution and modern approaches for thermal analysis of dlectrical machines / Industrial Electronics IEEE Transactions 56 : 871 ~ 882
[학술대회논문] - Pickering S. J. / 2001 / Modelling ventilation and cooling of the rotors of salient pole machines / International Electric Machines and Drives Conference IEMDC 2001 IEEE : 806 ~ 808
[학술대회논문] - Shanel M. / 2003 / Conjugate heat transfer analysis of a salient pole rotor in an air cooled synchronous generator / International Conference of Machines and Drives IEEE 2 : 737 ~ 741
[학술대회논문] - Ujiie, R. / 2006 / Application of Computational Fluid Dynamics (CFD) on Ventilation-Cooling Optimization of Electrical Machines / Review Energy Technologies - generation, transmission and distribution of electric and thermal energy (ICEMENERG) : 17 ~ 22
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UCI(KEPA) : I410-ECN-0101-2018-554-001912312