# Copyright 2019 TerraPower, LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Magnesium."""
from armi.materials import material
from armi.utils.units import getTk
[docs]class Magnesium(material.Fluid):
propertyValidTemperature = {"density": ((923, 1390), "K")}
[docs] def setDefaultMassFracs(self):
self.setMassFrac("MG", 1.0)
[docs] def pseudoDensity(self, Tk=None, Tc=None):
"""Returns mass density of magnesium in g/cm3.
The Liquid Temperature Range, Density and Constants of Magnesium. P.J. McGonigal. Temple University 1961.
Notes
-----
For Fluids, ARMI defines this 2D pseudodensity is the same as the usual 3D physical density.
"""
Tk = getTk(Tc, Tk)
self.checkPropertyTempRange("density", Tk)
return 1.834 - 2.647e-4 * Tk