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High-temperature thermal-chemical analysis of nuclear fuel channels

Abstract

In a severe accident situation, e.g., a postulated loss of coolant accident with a coincident loss of emergency core cooling (LOCA/LOECC), the core may become partially uncovered and steam may become the only coolant available. The thermodynamic conditions in the core, in this case, depend on ability of the steam to effectively remove the fuel decay heat and the heat generated by the exothermic steam/Zircaloy reaction., Therefore, it is important to understand the high-temperature behavior of an oxidizing fuel channel. The main objective of this work is to develop a methodology for calculating the clad temperature and rate of oxidation of a partially covered fuel pin. A criterion is derived to define the importance of the chemical reaction in the overall heat balance. The main parameters affecting the fuel thermal behavior are outlined (authors).
Authors:
Nekhamkin, Y; Rosenband, V; Hasan, D; Elias, E; Wacholder, E; Gany, A [1] 
  1. Technion-Israel Inst. of Tech., Haifa (Israel)
Publication Date:
Dec 01, 1996
Product Type:
Conference
Report Number:
INIS-mf-15507; CONF-961252-
Reference Number:
SCA: 220200; PA: AIX-28:023677; EDB-97:072424; SN: 97001788823
Resource Relation:
Conference: 19. conference of the Israel Nuclear Societies, Herzliya (Israel), 9-10 Dec 1996; Other Information: PBD: Dec 1996; Related Information: Is Part Of Program and book of abstracts; PB: 149 p.
Subject:
22 NUCLEAR REACTOR TECHNOLOGY; STEAM COOLED REACTORS; HEAT TRANSFER; CLADDING; FUEL CHANNELS; HOT CHANNEL; STEAM SYSTEMS; TEMPERATURE MEASUREMENT
OSTI ID:
475948
Research Organizations:
Israel Nuclear Society, Yavne (Israel)
Country of Origin:
Israel
Language:
English
Other Identifying Numbers:
Other: ON: DE97616259; TRN: IL9606206023677
Availability:
INIS; OSTI as DE97616259
Submitting Site:
INIS
Size:
pp. 1-4
Announcement Date:

Citation Formats

Nekhamkin, Y, Rosenband, V, Hasan, D, Elias, E, Wacholder, E, and Gany, A. High-temperature thermal-chemical analysis of nuclear fuel channels. Israel: N. p., 1996. Web.
Nekhamkin, Y, Rosenband, V, Hasan, D, Elias, E, Wacholder, E, & Gany, A. High-temperature thermal-chemical analysis of nuclear fuel channels. Israel.
Nekhamkin, Y, Rosenband, V, Hasan, D, Elias, E, Wacholder, E, and Gany, A. 1996. "High-temperature thermal-chemical analysis of nuclear fuel channels." Israel.
@misc{etde_475948,
title = {High-temperature thermal-chemical analysis of nuclear fuel channels}
author = {Nekhamkin, Y, Rosenband, V, Hasan, D, Elias, E, Wacholder, E, and Gany, A}
abstractNote = {In a severe accident situation, e.g., a postulated loss of coolant accident with a coincident loss of emergency core cooling (LOCA/LOECC), the core may become partially uncovered and steam may become the only coolant available. The thermodynamic conditions in the core, in this case, depend on ability of the steam to effectively remove the fuel decay heat and the heat generated by the exothermic steam/Zircaloy reaction., Therefore, it is important to understand the high-temperature behavior of an oxidizing fuel channel. The main objective of this work is to develop a methodology for calculating the clad temperature and rate of oxidation of a partially covered fuel pin. A criterion is derived to define the importance of the chemical reaction in the overall heat balance. The main parameters affecting the fuel thermal behavior are outlined (authors).}
place = {Israel}
year = {1996}
month = {Dec}
}