NDLI: The Preliminary Analysis of the Loss of Primary Coolant Flow Test in the HTTR

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Nakagawa, Shigeaki Takamatsu, Kuniyoshi Goto, Minoru Takeda, Tetsuaki Nakao, Yasuyuki
Copyright Year	2008
Abstract	Loss of primary coolant flow test is under planning by using the High Temperature engineering Test Reactor (HTTR). In this test, all the gas circulators are tripped and the position of all control rods keeps its initial one. The new calculation model was developed to perform the preliminary analysis for the test. This model is so improved that an equivalent fuel channel model based on one point kinetics code and a whole reactor model based on two-dimensional thermal analysis code are coupled to simulate the reactor performance during the loss of coolant flow. Both calculation codes were used in the safety evaluation of the HTTR licensing. The improved calculation model was validated by comparison between the calculated result and the experimental one obtained from the coolant flow reduction test in the HTTR. The loss of primary coolant flow test simulates the depressurization accident and the data obtained from the test is useful for the validation and improvement of the calculation code applied to the safety analysis in the future HTGR such as Very High Temperature Reactor which is selected as one of candidates of the generation IV reactor system.
Starting Page	405
Ending Page	412
Page Count	8
File Format	PDF
ISBN	9780791848555
DOI	10.1115/HTR2008-58282
e-ISBN	9780791838341
Volume Number	Fourth International Topical Meeting on High Temperature Reactor Technology, Volume 2
Conference Proceedings	Fourth International Topical Meeting on High Temperature Reactor Technology
Language	English
Publisher Date	2008-09-28
Publisher Place	Washington, DC, USA
Access Restriction	Subscribed
Subject Keyword	Very high temperature reactors Generation iv reactors Coolants Rods Safety High temperature Thermal analysis Fuels Licensing Flow (dynamics) Accidents
Content Type	Text
Resource Type	Article

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