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
收藏
页码：143 / 158
页数：16
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