Numerical simulation of turbulent flow for calibration of cross-correlation flow measurements

被引：0

作者：

Stekelenburg, A.J.C. ^{[1
]}

Van Der Hagen, T.H.J.J. ^{[1
]}

Van Den Akker, H.E.A. ^{[1
]}

机构：

[1] Delft Univ of Technology, Delft, Netherlands

来源：

International Journal of Numerical Methods for Heat and Fluid Flow | 1994年 / 4卷 / 02期

关键词：

Calibration - Coolants - Correlation methods - Estimation - Heat transfer - Mathematical models - Reliability - Thermocouples - Thermodynamic properties - Three dimensional - Turbulent flow - Velocity measurement;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The cross-correlation flow measurement technique, applied for measuring the coolant flow rate in a nuclear reactor, was calibrated with the use of numerical simulations of turbulent flow. The three-dimensional domain was collapsed into two dimensions. With a two-dimensional calculation of steady-state flow with transient thermal characteristics the response of thermocouples to a temperature variation was calculated. By cross-correlating the calculated thermocouple responses, the link between total flow rate and measured transit times was made. The reliability of the calibration was estimated at ± 4.6%. In addition, a measured velocity profile effect was successfully predicted.

引用

页码：143 / 158

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