Published 1980 | Version v1
Journal article Metadata-only

Examples of thermal shocks in power plants

Creators

  • 1. Electricite de France, 78 - Chatou. Direction des Etudes et Recherches

Description

Transients are inherent in the operation of electricity generating fossil and/or nuclear power stations. These transients produce temperature changes and even thermal shocks which induce thermal stresses in components, wherely cumulative effects, damage may occur. Examples of thermal effects collected on composants of fossil and/or nuclear units (boiler, superheaters, nozzles of primary piping system, tube sheat of high pressure feed heater, high pressure turbine cylinder, intermediate pressure high temperature turbine cylinder) are cited. Theoretical and experimental studies carried out for purposes of analysis, and checking and monitoring of thermal effects are presented

Abstract (French)

Les regimes transitoires sont inherents au fonctionnement des centrales thermiques, classiques ou nucleaires de production d'electricite. Ces regimes sont a l'origine de variations de temperature et parfois meme de 'chocs thermiques' qui engendrent des contraintes thermiques dans les materiels ou, par effet cumulatif, des dommages peuvent meme se produire. Des exemples de sollicitations thermiques releves sur des materiels de centrales thermiques, classiques ou nucleaires (reservoir de chaudiere, surchauffeur, piquage de circuit primaire de reacteur, plaque tubulaire de rechauffeur, corps de turbine HP, rotor de turbine MPT) sont presentes. Les etudes theoriques et experimentales effectuees pour l'analyse, le controle et la surveillance des sollicitations thermiques sont exposees

Additional details

Additional titles

Original title (French)
Exemples de chocs thermiques dans les centrales de production d'electricite

Publishing Information

Journal Title
Rev. Fr. Mec.
Journal Issue
no.75
Series
Rev. Fr. Mec.
ISSN
0373-6601

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
12585865
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Descriptors DEI
BOILERS; FEEDWATER HEATERS; FOSSIL-FUEL POWER PLANTS; IN-SERVICE INSPECTION; NUCLEAR POWER PLANTS; NUMERICAL SOLUTION; PRIMARY COOLANT CIRCUITS; PWR TYPE REACTORS; ROTORS; STEAM TURBINES; SUPERHEATERS; TESTING; THERMAL SHOCK; THERMAL STRESSES; TRANSIENTS; TWO-DIMENSIONAL CALCULATIONS
Descriptors DEC
COOLING SYSTEMS; HEATERS; INSPECTION; NUCLEAR FACILITIES; POWER PLANTS; REACTOR COMPONENTS; REACTOR COOLING SYSTEMS; REACTORS; STRESSES; THERMAL POWER PLANTS; TURBINES; WATER COOLED REACTORS; WATER MODERATED REACTORS