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International Journal of Energy for a Clean Environment
Главный редактор: Ashwani K. Gupta (open in a new tab)
Исполнительный редактор – Южная Америка: Marcelo J.S. de Lemos (open in a new tab)
Управляющий редактор: Andrey Kuzmin (open in a new tab)

Выходит 8 номеров в год

ISSN Печать: 2150-3621

ISSN Онлайн: 2150-363X

SJR: 0.597 SNIP: 1.456 CiteScore™:: 3.7 H-Index: 18

Indexed in

PASSIVE RESIDUAL HEAT REMOVAL SYSTEM FOR THE WWER WITH THERMOSIPHON HEAT EXCHANGING EQUIPMENT

Том 16, Выпуск 1-4, 2015, pp. 209-223
DOI: 10.1615/InterJEnerCleanEnv.2015015683
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Краткое описание

The paper describes the operation of an autonomous passive residual heat removal system (PRHRS) for the WWER-1000 reactor design. The basic feature of the PRHRS is the heat removal from the primary circuit through thermosiphon-based heat exchangers. The layout of the PRHRS and its composition are presented. The results of analytical modeling of the PRHRS with RELAP5/ Mod3.4 code are given. The analytical characteristics of the system operation with removal of the residual heat from the reactor's primary circuit proved the high efficiency and reliability of the PRHRS in blackout transient. The functioning of the system for heat removal to the external air was compared with that to water. When external water is used as the heat repository, an antifreezing thermal protection is provided for low-temperature conditions. The calculations present the results of modeling the PRHRS emergency heat removal from a WWER-1000 reactor in the case of a small noncompensible LOCA coinciding with ECCS HA isolation failure. The influence of the ECCS HA isolation failure on the PRHRS efficiency has been assessed, along with optimization of the PRHRS composition with the purpose of mitigation of the influence of the injection of noncondensing gases into the primary circuit. The operational conditions providing efficient long-term removal of residual heat, which is indicated by the primary cooldown and depressurization along with fuel integrity, were examined.

ЦИТИРОВАНО В
  1. Wahlquist Scott, Hansel Joshua, Sabharwall Piyush, Ali Amir, A Critical Review of Heat Pipe Experiments in Nuclear Energy Applications, Nuclear Science and Engineering, 2022. Crossref

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