Multi-Label Classification of Voice Calls from Power Plant Operation Centers

2021 ◽  
Author(s):  
Frederico D. Souza ◽  
Camila Barbosa ◽  
Joao Goncalves ◽  
Victor Furtado ◽  
Amanda Amaro ◽  
...  
Keyword(s):  
Power Plant ◽  
Plant Operation ◽  
Power Plant Operation ◽  
Voice Calls

Use of Dynamic Event Trees and Deep Learning for Real-Time Emergency Planning in Power Plant Operation

2018 ◽  
Vol 205 (8) ◽  
pp. 1035-1042 ◽  
Author(s):  
Ji Hyun Lee ◽  
Alper Yilmaz ◽  
Richard Denning ◽  
Tunc Aldemir
Keyword(s):  
Deep Learning ◽  
Power Plant ◽  
Real Time ◽  
Emergency Planning ◽  
Plant Operation ◽  
Dynamic Event ◽  
Event Trees ◽  
Power Plant Operation

Investigations on the Environmentally Assisted Fatigue Behavior of Steel Specimens for a Better Understanding of Component Fatigue in Nuclear Applications

2021 ◽  
Author(s):  
Christian Swacek ◽  
Ludwig Stumpfrock ◽  
Stefan Weihe
Keyword(s):  
Power Plant ◽  
Fatigue Behavior ◽  
Environmental Influences ◽  
Uniaxial Tensile ◽  
Loading Conditions ◽  
Ongoing Research ◽  
Fatigue Assessment ◽  
Plant Operation ◽  
Power Plant Operation ◽  
Nuclear Applications

Abstract The fatigue assessment of pressurized components is of high importance for the operation of nuclear power plants. However, the environmental influences on the fatigue behavior are highly discussed. On the one hand, laboratory specimens tested in high temperature water (HTW) conditions show a significant drop in fatigue lifetime, compared to tests at air environment, and question the conservatism of modern standards. On the other hand, the fatigue assessment methods based on uniaxial tensile testing seems to overestimate the fatigue damage of components during operation. To overcome these discrepancies, the environmental influences on material fatigue have to be better understood. Laboratory testing setups have to be adapted to the relevant loading conditions during power plant operation. Therefore, MPA Stuttgart is investigating the environmentally assisted fatigue (EAF) of steels under various loading conditions for smooth and notched specimens, as well as full scale component testing at HTW conditions. In this paper the results of ongoing research are presented. The low cycle fatigue experiments on steel materials for relevant nuclear applications are performed at air and under pressurized water reactor (PWR) environment. The shape of specimens, the loading spectra, loading rate and the multiaxiality of load are derived from piping components in power plant operation.

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