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IDProjectCategoryView StatusLast Update
0003298OpenFOAMPatchpublic2019-06-27 16:08
ReporterlorenzotrevisanAssigned Tohenry 
PrioritylowSeveritytextReproducibilityalways
Status resolvedResolutionfixed 
Platformx86_64OSSlackwareOS Version14.2
Product Versiondev 
Fixed in Versiondev 
Summary0003298: typo in the SingleFluidCHT template: typical Prandtl number for water is 7
Descriptiontypical Prandtl adimensional number ( Pr = ni/alfa = mu*Cp/k) for water is 7,
but in OpenFOAM-dev/etc/templates/singleFluidCHT/templates/materials/water/thermophysicalProperties
at row 48 it is set as per dry air to 0.7;
In this case at ambient temperature and atmospheric pressure the thermal conductivity for water is about k=0.608[W/mK] => Pr=1.0e-03*4181/0.608=0.696[-]
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Activities

lorenzotrevisan

2019-06-26 19:14

reporter   ~0010532

Pr = mu*Cp/k =1.0e-03*4181/0.608 = 6.88 [-]
I apologize for the calculation mistake

henry

2019-06-27 16:08

manager   ~0010534

Resolved by commit 28ef37d60e1d628601f79749fdfe44f52eb5eebf

Issue History

Date Modified Username Field Change
2019-06-25 14:55 lorenzotrevisan New Issue
2019-06-26 19:14 lorenzotrevisan Note Added: 0010532
2019-06-27 16:08 henry Assigned To => henry
2019-06-27 16:08 henry Status new => resolved
2019-06-27 16:08 henry Resolution open => fixed
2019-06-27 16:08 henry Fixed in Version => dev
2019-06-27 16:08 henry Note Added: 0010534