.TRANSFORM.Fluid.ClosureRelations.PressureLoss.Functions.HeatExchangers.BellDelawareSTHX_ShellSide.fRe2_CentralCross

Interface

function fRe2_CentralCross
  input Boolean toggleStaggered "true = staggered grid type; false = in-line";
  input SI.Length d_B "Diameter of holes in baffles";
  input SI.Length D_i "Inside shell diameter";
  input SI.Length D_l "Baffle Diameter";
  input SI.Length DB "Tube bundle diameter";
  input SI.Length H "Height of baffle cut";
  input SI.Length s1 "Tube to tube pitch parallel to baffel edge";
  input SI.Length s2 "Tube to tube pitch perpindicular to baffel edge";
  input SI.Length S "Baffle spacing between baffles";
  input SI.Length e1 "Space between tubes and shell";
  input Real nes "# of shortest connections connecting neighboring tubes";
  input Real n_W "# of tubes in both the upper and lower window";
  input Real n_T "Total # of tubes (including blind and support)";
  input Real n_MR "# of  main resistances in cross flow path";
  input Real n_s "# of pairs of sealing strips";
  input SI.DynamicViscosity mu "Upstream dynamic viscosity";
  input SI.DynamicViscosity mu_w "Dynamic viscosity of fluid at average wall temperature";
  input SI.MassFlowRate m_flow "Mass flow rate";
  output Units.NonDim fRe2 "Modified friction coefficient (= f*Re^2)";
end fRe2_CentralCross;