ABCDEFGHIJKLMNOPQRSTUVWXYZAAABAC
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Detailed CFD ModelPorous CFD Model
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User input
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t
Calculation output
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Comparison
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AbbreviationsPerforated Plate and Fluid Properties
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d
Darcy coefficient
mu
dynamic viscosity [kg/m-s]
L0.004[m]
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f
Forchheimer coefficient
L
thickness of porous medium [m]
mu0.0000183[kg/m-s]
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dP
Pressure loss [Pa]
rho
density of fluid [kg/m3]
rho1.1965[kg/m³]
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uvelocity [m/s]S
Pressure gradient [Pa/m]
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Detailed CFD results (No modelling)Extracted CoefficientsYou can use Trendline function (2nd degree polynomial) to predict A and B with a slight error
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udPUse a curve-fitting software or spreadsheet solver with the following fit method:
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19.88
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233.62
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4123.33
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8478.56
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161852.84
Extract A and B constants from the user defined curve
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A3.85
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B7.01
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Comparison of Results from different Approach
Darcy and Forchheimer coefficients are calculated as follows
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SimScale (Detailed CFD)
Analyticald52595628.42
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udPdPf2929.377351
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19.8810.86
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233.6235.74
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4123.33127.56
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8478.56479.44
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161852.841856.16
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