From 95ec662c384c7dd670a48887d32ff3ad2cc02844 Mon Sep 17 00:00:00 2001 From: donovaly Date: Mon, 22 Mar 2021 03:19:47 +0100 Subject: [PATCH] [FEM] fix specific heat of air - also adjust values slightly according to various sources Since a factor 1000 is a big mistake and air is the most common gas, please commit this also for FC 0.19 --- src/Mod/Material/FluidMaterial/Air.FCMat | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/Mod/Material/FluidMaterial/Air.FCMat b/src/Mod/Material/FluidMaterial/Air.FCMat index aed9a29a10..a23277eb7b 100644 --- a/src/Mod/Material/FluidMaterial/Air.FCMat +++ b/src/Mod/Material/FluidMaterial/Air.FCMat @@ -1,19 +1,19 @@ [General] Name = Air -Description = Standard air properties at 20 Degrees Celsius and 1 atm +Description = Dry air properties at 20 Degrees Celsius and 1 atm MolarMass = 28.965 Father = Gas [Fluidic] -Density = 1.20 kg/m^3 +Density = 1.204 kg/m^3 DynamicViscosity = 1.80e-5 kg/m/s KinematicViscosity = 1.511e-5 m^2/s ; PrandtlNumber is a nondimension number for CFD simulation PrandtlNumber = 0.7 [Thermal] -SpecificHeat = 1.005 J/kg/K -ThermalConductivity = 0.0257 W/m/K +SpecificHeat = 1.01 kJ/kg/K +ThermalConductivity = 0.02587 W/m/K ; volumetric expansion coeff of ideal gas depends on temperature and pressure VolumetricThermalExpansionCoefficient = 3.43e-3 m/m/K