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논문 기본 정보

자료유형
학술저널
저자정보
조수용 (경상대학교) 정양범 (BIP)
저널정보
한국동력기계공학회 동력시스템공학회지 한국동력기계공학회지 제21권 제1호
발행연도
2017.2
수록면
70 - 79 (10page)

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초록· 키워드

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The output power of turbine is greatly affected by the losses generated within the passage. In order to develop a better turbine or loss models, an experimental study was conducted using a linear cascade experimental apparatus. The total pressure loss and flow structures were measured at two cross-sectional planes located downstream of blade row. Measurement was conducted in a steady state for the several different locations of the blade row along the rotational direction. The blade row moved by 20 % of the pitch, and tip clearance was varied from 2% to 8%. Axial-type blades were used and its blade chord was 200mm. A square nozzle was applied and its size was 200mm x 200mm. The experiment was conducted at a Reynolds number of 3×105 based on the chord. Nozzle flow angle sets to 65° based on the axial direction and the solidity of blade row was 1.38. From the experimental results, the total pressure loss was greatly varied in the receding region than in the entering region. The flow properties within the blade passage were strongly changed according to the location of blade row.

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Abstract
1. 서론
2. 실험 장치
3. 측정 결과
4. 결론
References

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UCI(KEPA) : I410-ECN-0101-2017-550-002303959