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42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
from __future__ import division, print_function
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import numpy as np
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from .DataObjects import CoefficientData, PureData
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class NitrateSalt(PureData, CoefficientData):
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"""
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Heat transfer fluid based on 60% NaNO3 and 40% KNO3
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"""
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def __init__(self):
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CoefficientData.__init__(self)
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PureData.__init__(self)
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self.name = "NaK"
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self.description = "Nitrate salt, 0.6 NaNO3 and 0.4 KNO3"
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self.reference = "Zavoico2001"
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self.Tmin = 300 + 273.15
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self.Tmax = 600 + 273.15
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self.TminPsat = self.Tmax
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self.Tbase = 273.15
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#self.temperature.data = self.getTrange()
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# self.concentration.data = np.array([ 0 ]) # mass fraction
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self.density.type = self.density.INCOMPRESSIBLE_POLYNOMIAL
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self.density.source = self.density.SOURCE_COEFFS
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self.density.coeffs = np.array([[2090], [-0.636]])
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self.specific_heat.type = self.specific_heat.INCOMPRESSIBLE_POLYNOMIAL
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self.specific_heat.source = self.specific_heat.SOURCE_COEFFS
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self.specific_heat.coeffs = np.array([[1443], [+0.172]])
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self.conductivity.type = self.conductivity.INCOMPRESSIBLE_POLYNOMIAL
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self.conductivity.source = self.conductivity.SOURCE_COEFFS
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self.conductivity.coeffs = np.array([[0.443], [+1.9e-4]])
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self.viscosity.type = self.viscosity.INCOMPRESSIBLE_POLYNOMIAL
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self.viscosity.source = self.viscosity.SOURCE_COEFFS
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self.viscosity.coeffs = np.array([[22.714], [-0.120], [2.281 * 1e-4], [-1.474 * 1e-7]]) / 1e3
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