kc_laminar

Mean heat transfer coefficient of straight pipe | uniform wall temperature or uniform heat flux | hydrodynamically developed or undeveloped laminar flow regime

Information

This information is part of the Modelica Standard Library maintained by the Modelica Association.

Calculation of mean convective heat transfer coefficient kc of a straight pipe at an uniform wall temperature or uniform heat flux and for a hydrodynamically developed or undeveloped laminar fluid flow. Note that additionally a failure status is observed in this function to check if the intended boundary conditions are fulfilled. See more information .

Syntax

(kc, Pr, Re, Nu, failureStatus) = kc_laminar(IN_con, IN_var)

Inputs (2)

IN_con

Type: kc_laminar_IN_con

Description: Input record for function kc_laminar

IN_var

Type: kc_laminar_IN_var

Description: Input record for function kc_laminar

Outputs (5)

kc

Type: CoefficientOfHeatTransfer (W/(m²·K))

Description: Convective heat transfer coefficient

Pr

Type: PrandtlNumber

Description: Prandtl number

Re

Type: ReynoldsNumber

Description: Reynolds number

Nu

Type: NusseltNumber

Description: Nusselt number

failureStatus

Type: Real

Description: 0== boundary conditions fulfilled | 1== failure >> check if still meaningful results