.TRANSFORM.HeatAndMassTransfer.ClosureRelations.HeatTransfer.Functions.SinglePhase.ExternalFlow.Nu_Grimison_FlowAcrossTubeBanks

Information

The Grimison average Nusselt number correlation for flow across tube bundles.

Range of validity:

• 2000 < Re_Dmax < 40e3
• Pr > 0.7

References

1. Incropera & DeWitt, Fundamentals of Heat and Mass Transfer 6E 2007.

Interface

function Nu_Grimison_FlowAcrossTubeBanks
  input SI.ReynoldsNumber Re "Reynolds Number";
  input SI.PrandtlNumber Pr "Prandtl Number";
  input SI.Length D "Tube diameter";
  input SI.Length S_T "Transverse (within same row) tube pitch";
  input SI.Length S_L "Longitudinal (between rows) tube pitch";
  input Real nRows = 10 "Not necessary if nRows >= 10";
  input Boolean tubesAligned = false " = false if staggered";
  output SI.NusseltNumber Nu "Nusselt number - Eq. 7.60 and 7.61";
end Nu_Grimison_FlowAcrossTubeBanks;