CALIBRATION OF CYLINDRICAL HOT-FILM VELOCITY SENSORS

被引:7
作者
ANDREAS, EL [1 ]
机构
[1] OREGON STATE UNIV,SCH OCEANOG,CORVALLIS,OR 97331
来源
JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME | 1979年 / 46卷 / 01期
关键词
D O I
10.1115/1.3424489
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
Ten hot-film velocity sensors with aspect ratios near 20 were calibrated for Reynolds numbers from 1 to 18. This calibration required investigating the yaw angle dependence of the sensors and determining a zero-wind Nusselt number, N0, for each. Conduction heat losses to the sensors supports vary from sensor to sensor and, thus, affect both the velocity calibration and the zero-wind Nusselt numbers. Nevertheless, because these losses are velocity independent, with knowledge of No their effects can be eliminated from the heat transfer relation for small aspect ratio hot-films. © 1979 by ASME.
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页码:15 / 20
页数:6
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