Prandtl number

GPTKB entity

Statements (25)
Predicate Object
gptkbp:instanceOf dimensionless number
gptkbp:appliesTo gases
liquids
gptkbp:category dimensionless numbers of fluid mechanics
gptkbp:component dynamic viscosity (μ)
kinematic viscosity (ν)
specific heat at constant pressure (c_p)
thermal conductivity (k)
thermal diffusivity (α)
gptkbp:describes ratio of momentum diffusivity to thermal diffusivity
gptkbp:form Pr = (μ c_p)/k
Pr = ν/α
https://www.w3.org/2000/01/rdf-schema#label Prandtl number
gptkbp:measures dimensionless
gptkbp:namedAfter gptkb:Ludwig_Prandtl
gptkbp:relatedTo gptkb:Schmidt_number
gptkb:Nusselt_number
gptkb:Reynolds_number
gptkbp:symbol Pr
gptkbp:typical_value_for_air_at_20°C ~0.71
gptkbp:typical_value_for_water_at_20°C ~7
gptkbp:usedIn fluid dynamics
heat transfer
gptkbp:bfsParent gptkb:Lewis_number
gptkbp:bfsLayer 4