NDLI: Determination of Temperature of Structural Material Specimens in an Irradiation Capsule by an Analytical and Simulation Techniques

Content Provider	Springer Nature Link
Author	Venkatesu, Sadu Murugan, S. Venugopal, S.
Copyright Year	2016
Abstract	The main aim of this work is to determine the temperature of structural material specimens kept in an irradiation capsule during their irradiation in a nuclear reactor to find out the changes in mechanical properties. In the irradiation capsule, the specimens are kept in four to five separate leak-tight compartments located one over the other. Helium/Argon gas or mixtures of these gases are filled around the specimens in the compartments. The coolant of reactor, liquid sodium, flows around the irradiation capsule. During irradiation, due to attenuation of gamma rays and neutrons on the specimens, heat is generated in the specimens. Due to this generation of heat, the temperature of the specimens is more than the temperature of the sodium flowing over the capsule/compartment and we can obtain an irradiation temperature in the specimens which is much higher than the sodium temperature. In the present analysis, the temperature of specimens has been determined with various types of gases (helium/argon/helium-argon mixture) filled in the compartments around the specimens. Variable properties of gases have been used and an iterative method has been employed to calculate the temperatures. Using the results obtained, we can select the type of gas mixture required to attain a specific higher temperature in the specimens during irradiation. The results have been compared with the results obtained using a computer code COMSOL.
Starting Page	1023
Ending Page	1030
Page Count	8
File Format	PDF
ISSN	09722815
Journal	Transactions of the Indian Institute of Metals
Volume Number	69
Issue Number	5
e-ISSN	09751645
Language	English
Publisher	Springer India
Publisher Date	2016-02-04
Publisher Place	New Delhi
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Temperature Liquid sodium Irradiation Gas mixture and structural specimens Metallic Materials Materials Science Tribology, Corrosion and Coatings
Content Type	Text
Resource Type	Article
Subject	Metals and Alloys

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