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

Information

The FFTF liquid metal rod bundle heat transfer correlation was created for the Fast Fission Test Facility (FFTF) fuel assembly.

Range of Validity:

• liquid metal coolant
• 20 <= Pe <= 1000

References

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

Interface

function Nu_FFTF
  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. 9.35";
end Nu_FFTF;