The Proceedings of the International Conference on Nuclear Engineering (ICONE)
Online ISSN : 2424-2934
2011.19
Session ID : ICONE2011-43178
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ICONE2011-43178 Analysis of the oscillation among channels of OTSG in movable nuclear power devices
Su-xia HOUJijun LUOQinghua ZhangJun XuChunhui DAI
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Abstract
The instability occurring in OTSG (Once-Through Steam Generator) of movable nuclear power plants is presented by the multivariable frequency domain theory. As concerning coupling interactions of OTSG tubing, it is more efficient for analyzing the instability of OTSG compared the common single variable method. A mathematical model for the system is derived from the fundamental equations by using the perturbation, Laplace-transform and the nodalization techniques. The stable boundary and parameters which influence the stability of the system are evaluated through computer simulation. Numerical examples are given in the paper and the predictions of the model agree with the experimental results.
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© 2011 The Japan Society of Mechanical Engineers
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