Relations between the Discharge Coefficients of the Sonic Venturi Nozzle and a Kind of Gases.
Relations between the Discharge Coefficients of the Sonic Venturi Nozzle and a Kind of Gases.
复制标题
声速文丘里喷嘴的流量系数与一类气体的关系。
DOI：
10.1299/kikaib.66.438
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发表时间：
2000
期刊：
影响因子：
--
通讯作者：
M. Takamoto
中科院分区：
文献类型：
--
作者：
S. Nakao;T. Hirayama;M. Takamoto
在雷诺数为2× 10 ~ 3 ~ 4× 10 ~ 4的范围内，测量了11种气体的音速文丘里喷嘴流量系数。结果表明，流量系数强烈依赖于气体。并指出，在离理想气体状态不远的条件下，大多数气体的流量系数都可以用理想气体等熵流动假设下理论确定的两个参数来描述。除CO_2、SF_6和C_3H_8外，理论流量系数与实验流量系数的差值均在0.5%以内。
The discharge coefficients of the sonic Venturi nozzle were measured for eleven gases on the Reynolds number range from 2×103 to 4×104. The results showed that the discharge coefficients strongly depend on gases. And it was also suggested that the discharge coefficients of most of the gases tested can be described by using two parameters theoretically determined on the assumption of isentropic flow of ideal gas, if they are on the conditions which are not so far from the ideal gas state. The differences between the theoretical and the experimental discharge coefficients were within 0.5 percent, except for CO2, SF6 and C3H8.