IDENTIFICATION OF COEFFICIENTS DESCRIBING CONSTANT-RESISTANCE ANEMOMETER

被引:0
|
作者
Kielbasa, Jan [1 ]
机构
[1] Polish Acad Sci, Strata Mech Res Inst, Ul Reymonta 27, PL-30059 Krakow, Poland
关键词
thermal anemometer; constant-resistance anemometr; King's law; overheating ratio;
D O I
暂无
中图分类号
TD [矿业工程];
学科分类号
0819 ;
摘要
An experimental method for direct determination of coefficients describing constant-resistance anemometer has been presented (Ligeza, 2005, 2007). In contrast to former methods, each of three parameters of the anemometer equation (I-k(2), v(k) and n) is fit independently. The results suggest that the exponent n has a value close to 0.5 and increases when speed of flowing medium decreases. Moreover, it can be shown that the value of the exponent n is relatively insensitive to changes of the anemometer overheating ratio value N.
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页码:499 / 505
页数:7
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