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A Study into the Use of a Photon Correlation Technique in Both Low and High Speed Flows

机译：光子相关技术在低速和高速流动中的应用研究

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摘要

A laser anemometer system using a photon correlation technique in conjunction with a dual beam-Doppler difference optical system was tested. An introduction to the technique is presented. Correlograms were obtained in both low and high speed flows having various degrees of turbulence. Comparisons are made with measurements from a pitot-static tube, a hot-wire anemometer, and a period counter processor. The technique obtained good results even at extremely low light levels with signals of poor signal to noise ratio at velocities up to M = 1.2.

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作者
Figliola, R. S.; Vorropoulus, G.;
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年度 1980
页码 p.1-34
总页数 34
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Correlation; Flow measurement; Laser anemometers; Photon absorptiometry; Data reduction; Doppler effect; Signal to noise ratios; Subsonic flow; Supersonic flow; Turbulent flow;

机译：相关性;流量测量;激光风速计;光子吸收测量;数据缩减;多普勒效应;信噪比;亚音速流;超音速流;湍流;

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A Study into the Use of a Photon Correlation Technique in Both Low and High Speed Flows

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