armi.materials.uranium module

Uranium metal.

Much info is from [AAAFuels].

AAAFuels

Kim, Y S, and Hofman, G L. AAA fuels handbook.. United States: N. p., 2003. Web. doi:10.2172/822554. .

class armi.materials.uranium.Uranium

Bases: armi.materials.material.FuelMaterial

name = 'Uranium'

String identifying the material

enrichedNuclide = 'U235'

Name of enriched nuclide to be interpreted by enrichment modification methods

materialIntro = ''

propertyNotes = {'thermal conductivity': ''}

propertyRawData = {'thermal conductivity': ''}

propertyUnits = {'heat capacity': 'J/kg-K', 'thermal conductivity': 'W/m-K'}

propertyEquation = {'thermal conductivity': '21.73 + 0.01591T + 5.907&#215;10<super>-6</super>T<super>2</super>'}

propertyValidTemperature = {'density': ((293, 1600), 'K'), 'heat capacity': ((298, 2400), 'K'), 'linear expansion': ((293, 1600), 'K'), 'linear expansion percent': ((293, 1600), 'K'), 'thermal conductivity': ((255.4, 1173.2), '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)

references = {'density': ['Metallic Fuels Handbook, ANL-NSE-3, Table B.3.3-1'], 'heat capacity': ['AAA Fuels Handbook by YS Kim and GL Hofman, Table 2-14'], 'linear expansion': ['Metallic Fuels Handbook, ANL-NSE-3, Table B.3.3-1'], 'linear expansion percent': ['Metallic Fuels Handbook, ANL-NSE-3, Table B.3.3-1'], 'melting point': ['AAA Fuels Handbook by YS Kim and GL Hofman, Table 2-13'], 'thermal conductivity': ['AAA Fuels Handbook by YS Kim and G.L. Hofman, ANL, Section 6.1.1']}

citation}

Type

The literature references {property

refDens = 19.07

thermalConductivity(Tk: Optional[float] = None, Tc: Optional[float] = None) → float

The thermal conductivity of pure U in W-m/K.

heatCapacity(Tk: Optional[float] = None, Tc: Optional[float] = None) → float

Heat capacity in J/kg-K.

setDefaultMassFracs() → None

applyInputParams(U235_wt_frac: Optional[float] = None, TD_frac: Optional[float] = None, *args, **kwargs)

meltingPoint()

Melting point in K.

density(Tk: Optional[float] = None, Tc: Optional[float] = None) → float

Density in g/cc.

pseudoDensity(Tk: Optional[float] = None, Tc: Optional[float] = None) → float

2D-expanded density in g/cc.

linearExpansion(Tk: Optional[float] = None, Tc: Optional[float] = None) → float

Linear expansion coefficient in 1/K.

linearExpansionPercent(Tk: Optional[float] = None, Tc: Optional[float] = None) → float

Linear expansion percent.