지원사업
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
- 발행연도
- 2015.1
- 수록면
- 804 - 813 (10page)
이용수
초록· 키워드
오류제보하기
The electrical-impedance method has been widely used for void-fraction measurement intwo-phase flow due to its many favorable features. In the impedance method, the responsecharacteristics of the electrical signal heavily depend upon flow pattern, as well as phasicvolume. Thus, information on the flow pattern should be given for reliable void-fractionmeasurement. This study proposes an improved electrical-conductance sensorcomposed of a three-electrode set of adjacent and opposite electrodes. In the proposedsensor, conductance readings are directly converted into the flow pattern through aspecified criterion and are consecutively used to estimate the corresponding void fraction.
Since the flow pattern and the void fraction are evaluated by reading conductance measurements,complexity of data processing can be significantly reduced and real-time informationprovided. Before actual applications, several numerical calculations areperformed to optimize electrode and insulator sizes, and optimal design is verified by staticexperiments. Finally, the proposed sensor is applied for air-water two-phase flow in ahorizontal loop with a 40-mm inner diameter and a 5-m length, and its measurementresults are compared with those of a wire-mesh sensor.
목차
등록된 정보가 없습니다.
참고문헌 (24)
참고문헌 신청
[학술지(정기
A.A. Kendoush / 2002 / Void fraction measurement by Xray absorption / Exp. Therm. Fluid Sci 25 : 615 ~ 621
D. Barnea / 1986 / Transition from annular flow and dispersed bubble flow e unified models for the whole range of pipe inclinations / Int. J. Multiph. Flow 12 : 733 ~ 744
D.C. Lowe / 1999 / Flow regime identification in microgravity two-phase flows using void fraction signals / Int. J. Multiph. Flow 17 : 433 ~ 457
H. Caniere / 2008 / Capacitance signal analysis of horizontal two-phase flow in a small diameter tube / Exp. Therm. Fluid Sci 32 : 892 ~ 904
A.A. Kendoush / 2002 / Void fraction measurement by Xray absorption / Exp. Therm. Fluid Sci 25 : 615 ~ 621
D. Barnea / 1986 / Transition from annular flow and dispersed bubble flow e unified models for the whole range of pipe inclinations / Int. J. Multiph. Flow 12 : 733 ~ 744
D.C. Lowe / 1999 / Flow regime identification in microgravity two-phase flows using void fraction signals / Int. J. Multiph. Flow 17 : 433 ~ 457
H. Caniere / 2008 / Capacitance signal analysis of horizontal two-phase flow in a small diameter tube / Exp. Therm. Fluid Sci 32 : 892 ~ 904
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