functionfRe2_CentralCross

Inputs

TypeNameDefaultDescription
BooleantoggleStaggeredtrue = staggered grid type; false = in-line
SI.Lengthd_BDiameter of holes in baffles
SI.LengthD_iInside shell diameter
SI.LengthD_lBaffle Diameter
SI.LengthDBTube bundle diameter
SI.LengthHHeight of baffle cut
SI.Lengths1Tube to tube pitch parallel to baffel edge
SI.Lengths2Tube to tube pitch perpindicular to baffel edge
SI.LengthSBaffle spacing between baffles
SI.Lengthe1Space between tubes and shell
Realnes# of shortest connections connecting neighboring tubes
Realn_W# of tubes in both the upper and lower window
Realn_TTotal # of tubes (including blind and support)
Realn_MR# of main resistances in cross flow path
Realn_s# of pairs of sealing strips
SI.DynamicViscositymuUpstream dynamic viscosity
SI.DynamicViscositymu_wDynamic viscosity of fluid at average wall temperature
SI.MassFlowRatem_flowMass flow rate

Outputs

TypeNameDefaultDescription
Units.NonDimfRe2Modified friction coefficient (= f*Re^2)