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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/7497

Title: Study of startup transients and power ramping of natural circulation boiling systems
Authors: LAKSHMANAN, SP
PANDEY, M
KUMAR, PP
IYER, KN
Keywords: water-reactors
flow instabilities
oscillations
mechanism
facility
behavior
model
code
Issue Date: 2009
Publisher: ELSEVIER SCIENCE SA
Citation: NUCLEAR ENGINEERING AND DESIGN, 239(6), 1076-1083
Abstract: Numerical models of a natural circulation test facility and its prototype have been developed with RELAP5/MOD3.4 code and verified for their grid independence by nodal sensitivity studies. The model of the test facility has been validated for its steady state as well as transient predictions with the help of experimental observations. The transient predictions and parametric trends obtained by the numerical model of the prototype have been compared with those of the numerical model of the test facility. Thus, the ability of RELAP5 code to predict the transients during startup of a natural circulation boiling water reactor is verified. A powering procedure for the test facility has been conceptualized with the help of its RELAP5 model and demonstrated experimentally. Based on this, a similar powering procedure for the prototype has been proposed and simulated numerically with its RELAP5 model. (C) 2009
URI: http://dx.doi.org/10.1016/j.nucengdes.2009.01.002
http://dspace.library.iitb.ac.in/xmlui/handle/10054/7497
http://hdl.handle.net/10054/7497
ISSN: 0029-5493
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