AN APPLICATION OF A HIGHER-ORDER FINITE-DIFFERENCE METHOD TO A NATURAL-CONVECTION EXPERIMENT IN THE HOT PLENUM OF AN LMFBR

被引：1
|
作者：
WATANABE, O [1 ]
MOTOMIYA, Y [1 ]
TAKEDA, H [1 ]
KOGA, T [1 ]
机构：
[1] CENT RES INST ELECT POWER IND,ABIKO LAB,DEPT FBR,ABIKO,CHIBA 27011,JAPAN
来源：
NUCLEAR ENGINEERING AND DESIGN | 1994年 / 146卷 / 1-3期
关键词：
D O I：
10.1016/0029-5493(94)90317-4
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
A two dimensional thermal-hydraulic analysis of a natural circulation experiment has been performed to evaluate the effectiveness of a higher order finite difference method for solving the Navier-Stokes and the energy equations. In the method, the convection terms appearing in each equation are solved by the Method of Characteristics using the third order Lagrange type polynomial as the interpolation function, and an iterative procedure is applied to solve the time derivative terms of each equation stably with second order accuracy. The analytical results have been compared with an experiment in which the temperature and the velocity distributions in the plenum region were measured with their fluctuations, and it was shown that the higher order finite difference method could simulate natural convection phenomena involving fluctuations well.
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页码：25 / 34
页数：10
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