ANS 5.1:2005
ANS 5.1:2005 Decay Heat Power In Light Water Reactors Provides values for the decay heat power from fission products and 239U and 239Np following shutdown of light water reactors (LWRs) containing 235U, 238U, and plutonium.
Table of Contents
1Scopeandpurpose1.1Scope
1.2Purposeandapplication
2Limitations
2.1General
2.2Limitationsonuseofstandardfission-productdecay
heatpowerrepresentation
2.3Spatialdistribution
3Fission-productdecayheatpower
3.1Definitionofterms
3.2General
3.3Determiningdecayheatpoweranduncertaintyfrom
fi(t)
3.4Determiningdecayheatpoweranditsuncertaintyfrom
Fi(t,oo)
3.5Effectofneutroncaptureinfissionproducts
3.6Simplifiedmethodfordeterminingdecayheatpower
anduncertainty
4239Uand239Npdecayheatpower
5Shutdowntimes>1010sec