armi.materials.leadBismuth module

Lead-Bismuth eutectic

This is a great coolant for superfast neutron reactors. It’s heavy though.

class armi.materials.leadBismuth.LeadBismuth

Bases: armi.materials.material.Fluid

Lead bismuth eutectic

name = 'LeadBismuth'

String identifying the material

propertyValidTemperature = {'density': ((400, 1300), 'K'), 'dynamic visc': ((400, 1100), 'K'), 'heat capacity': ((400, 1100), 'K'), 'thermal conductivity': ((400, 1100), 'K'), 'volumetric expansion': ((400, 1300), 'K')}

Dictionary of valid temperatures over which the property models are valid in the format ‘Property Name’: ((Temperature_Lower_Limit, Temperature_Upper_Limit), Temperature_Units)

setDefaultMassFracs()

mass fractions

pseudoDensity(Tk=None, Tc=None)

density in g/cc from V. sobolev/ J Nucl Mat 362 (2007) 235-247

dynamicVisc(Tk=None, Tc=None)

dynamic viscosity in Pa-s from Sobolev. Accessed online at http://www.oecd-nea.org/science/reports/2007/nea6195-handbook.html on 11/9/12

heatCapacity(Tk=None, Tc=None)

heat ccapacity in J/kg/K from Sobolev. Expected acuracy 5%

thermalConductivity(Tk=None, Tc=None)

thermal conductivity in W/m/K from Sobolev. Accessed online at http://www.oecd-nea.org/science/reports/2007/nea6195-handbook.html on 11/9/12

volumetricExpansion(Tk=None, Tc=None)

volumetric expansion inferred from density. NOT BASED ON MEASUREMENT. Done by V. sobolev/ J Nucl Mat 362 (2007) 235-247