Path: Thermal/HeatExchanger
% HeatTransferCoeffTaylor Heat transfer coefficient based on Taylor
The Nusselt exponent is limited for z/d < 1 to 1. The correlation is
only valid for z/d > 1.
Type HeatTransferCoeffTaylor for a demo
Default properties are for a He/Xe mixture and an N2 gas.
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Form:
d = HeatTransferCoeffTaylor
[h,nU,rE,rho,pR,dP,hAve] = HeatTransferCoeffTaylor(u,d,l)
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Inputs
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u (1,1) Velocity (m/s)
d (.) Data structure
.p (1,1) Pressure (N/m^2)
.mDot (1,1) Mass flow rate (kg/s)
.tB (1,1) Bulk temperature (K)
.tW (1,1) Wall temperature (K)
.mu (1,1) Dynamic viscosity (Pa s)
.l (1,1) Channel length (m)
.d (1,1) Channel diameter (m)
.a (1,1) Channel area (m^2)
.lambda (1,1) Heat transfer coefficient W/(m K)
.cP (1,1) Heat capacity (J/(kg K)
.m (1,1) Molecular weight (kg/mol)
l (1,:) Points for computing h
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Outputs
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h (1,:) Heat transfer coefficient (W/m^2 K)
nU (1,:) Nusselt number
rE (1,1) Reynold's number
rho (1,1) Density (kg/m^3)
pR (1,:) Prandtl number
dP (1,1) Pressure drop/pressure
hAve (1,1) Average heat coefficient
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Reference: Ersheng You, Lei Shi, Zuoyi Zhang,"Thermodynamics
Properties of Binary Gas Mixtures for Brayton Space Nuclear
Power System," Proceedings of the HTR 2014 Weihai, China,
October 27-31, 2014 Paper HTR2014-61286.
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AerospaceUtils: AtmosphericCalculations/ReynoldsNumber SC: Environs/MolWt2R Thermal: HeatExchanger/PrandtlNumber Common: Graphics/Plot2D
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