.TRANSFORM.HeatAndMassTransfer.ClosureRelations.HeatTransfer.Functions.SinglePhase.ExternalFlow.LiquidMetal.Nu_modifiedSchad

Information

The modified Schad is a liquid metal rod bundle heat transfer correlation.

Range of Validity:

• liquid metal coolant
• Peclet Number <= 1000
• 1.05 <= Pitch/Diameter <= 1.15

References

1. AlanE. Waltar, Donald R. Todd, Pavel V. Tsvetkov, Fast Spectrum Reactors 2012

Interface

function Nu_modifiedSchad
  input SI.ReynoldsNumber Re "Reynolds number";
  input SI.PrandtlNumber Pr "Prandtl number";
  input Real PDratio "Tube Pitch to Diameter ratio";
  output SI.NusseltNumber Nu "Nusselt number - S1:Eq. 9.36";
end Nu_modifiedSchad;