# Changeset 157

Ignore:
Timestamp:
Feb 7, 2007, 11:44:17 AM (17 years ago)
Message:

Heat exchangers test

Location:
branches/newlanguage/eml/heat_exchangers
Files:
2 edited

Unmodified
Removed
• ## branches/newlanguage/eml/heat_exchangers/DoublePipe.mso

 r156 Pi      = 3.14159265; EQUATIONS SET #"Inner Pipe Cross Sectional Area for Flow" #"Outer Pipe Hydraulic Diameter for Pressure Drop" Outer.PressureDrop.Dh=DiOuter-DoInner; EQUATIONS "Exchange Surface Area"
• ## branches/newlanguage/eml/heat_exchangers/HEX_Engine.mso

 r156 Vnozzle_in              as velocity                     (Brief="Inlet Nozzle Velocity",Default=1, Upper=1e5, Lower=0); Vnozzle_out             as velocity                     (Brief="Outlet Nozzle Velocity",Default=1, Upper=1e5, Lower=0); RVsquare_out            as positive                     (Brief = "Outlet Nozzle rho-V^2", Default=1, Upper=1e6, Unit = "kg/s^2/m"); RVsquare_in             as positive                     (Brief = "Inlet Nozzle rho-V^2", Default=1, Upper=1e6, Unit = "kg/s^2/m"); RVsquare_out            as positive                     (Brief = "Outlet Nozzle rho-V^2", Default=1, Upper=1e6, Unit = 'kg/s^2/m'); RVsquare_in             as positive                     (Brief = "Inlet Nozzle rho-V^2", Default=1, Upper=1e6, Unit = 'kg/s^2/m'); EQUATIONS "write some information"; VARIABLES PARAMETERS As                      as area                                         (Brief="Cross Sectional Area for Flow",Default=0.05,Lower=1e-8); Dh              as length                                       (Brief="Hydraulic Diameter of Pipe for Heat Transfer",Lower=1e-8); VARIABLES Re              as positive                             (Brief="Reynolds Number",Default=100,Lower=1); hcoeff  as heat_trans_coeff (Brief="Film Coefficient",Default=1,Lower=1e-12, Upper=1e6); "write some information"; VARIABLES PARAMETERS Dh      as length               (Brief="Hydraulic Diameter of Pipe for Pressure Drop",Lower=1e-6); VARIABLES Pdrop   as press_delta  (Brief="Pressure Drop",Default=0.01, Lower=1e-10); fi      as fricfactor   (Brief="Friction Factor", Default=0.05, Lower=1e-10, Upper=2000);
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