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배관 형상이 다회선 초음파 유량계의 특성에 미치는 영향
박경암(K. A. Park),최용문(Y. M. Choi),최해만(H. M. Choi),윤병로(B. R. Yoon),황규보(K. B. Hwang) 한국유체기계학회 1999 유체기계 연구개발 발표회 논문집 Vol.- No.-
Five-path ultrasonic flowmeters (200 and 300 ㎜ diameters) were tested to obtain it's characteristics in a water flow standard system. A five-path ultrasonic flowmeter was installed after various pipe fittings (elbow, valve, tee) or a pump. The distance between flow disturbance source and a flowmeter was main experimental parameter. Without a flow conditioner, a five-path ultrasonic flowmeter shows good characteristics as the distance between flow disturbance source and a flowmeter is longer than 10 diameter of a flowmeter.