Transcription of Flow Measurements - SciELO
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Flow Measurements - SciELO
K. D. JensenK. D. Jensen Dantec Dynamics Williams Dr Ramsey, NJ 07446 Measurements This paper will review several techniques for flow Measurements including some of themost recent developments in the field. Discussion of the methods will include basic theoryand implementation to research instrumentation. The intent of this review is to provide enough detail to enable a novice user to make an informed decision in selecting the proper equipment to solve a particular flow measurement problem. Keywords: Flow Measurements , hot-wire anemometry, Laser-Doppler Anemometry (LDA),particle image velocimetryIntroductionAlmost all industrial, man-made flows are turbulent. Almost all naturally occurring flows on earth, in oceans, and atmosphere are turbulent. Therefore, the accurate measurement and calculation ofturbulent flows has wide ranging application and significance. ijijifXDtDuUwwWU .(1)In general, turbulent motion is 3-D, vortical, and diffusivemaking the governing Navier-Stokes equation (above) very hard (orimpossible) to solve in most real applications, thus the need to measure research has been complemented byexperimental methods that included pressure Measurements and bythe point measurement technique of Hot Wire Anemometry (HWA).
K. D. Jensen K. D. Jensen Dantec Dynamics Inc. 200 Williams Dr Ramsey, NJ 07446 USA Kim.Jensen@dantecdynamics.com Flow Measurements This paper will review several techniques for flow measurements including some of the
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