NUMERICAL SIMULATION OF TURBULENT FLOW FOR CALIBRATION OF CROSS-CORRELATION FLOW MEASUREMENTS

被引：1

作者：

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

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

Van den Akker, H. E. A. ^{[2
]}

机构：

[1] Delft Univ Technol, Interfac Reactor Inst, NL-2629 JB Delft, Netherlands

[2] Delft Univ Technol, Kramers Lab Fys Technol, NL-2628 BW Delft, Netherlands

来源：

INTERNATIONAL JOURNAL OF NUMERICAL METHODS FOR HEAT & FLUID FLOW | 1994年 / 4卷 / 01期

关键词：

Cross-correlation flow measurement; Transient flow simulation; Thermoflow;

D O I：

10.1108/EUM0000000004036

中图分类号：

O414.1 [热力学];

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

页数：16

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