Changeset 157


Ignore:
Timestamp:
Feb 7, 2007, 11:44:17 AM (15 years ago)
Author:
Rafael de Pelegrini Soares
Message:

Heat exchangers test

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

Legend:

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

    r156 r157  
    331331        Pi      = 3.14159265;
    332332
    333 EQUATIONS
     333SET
    334334
    335335#"Inner Pipe Cross Sectional Area for Flow"
     
    350350#"Outer Pipe Hydraulic Diameter for Pressure Drop"
    351351        Outer.PressureDrop.Dh=DiOuter-DoInner;
     352
     353EQUATIONS
    352354
    353355"Exchange Surface Area"
  • branches/newlanguage/eml/heat_exchangers/HEX_Engine.mso

    r156 r157  
    234234Vnozzle_in              as velocity                     (Brief="Inlet Nozzle Velocity",Default=1, Upper=1e5, Lower=0);
    235235Vnozzle_out             as velocity                     (Brief="Outlet Nozzle Velocity",Default=1, Upper=1e5, Lower=0);
    236 RVsquare_out            as positive                     (Brief = "Outlet Nozzle rho-V^2", Default=1, Upper=1e6, Unit = "kg/s^2/m");
    237 RVsquare_in             as positive                     (Brief = "Inlet Nozzle rho-V^2", Default=1, Upper=1e6, Unit = "kg/s^2/m");
     236RVsquare_out            as positive                     (Brief = "Outlet Nozzle rho-V^2", Default=1, Upper=1e6, Unit = 'kg/s^2/m');
     237RVsquare_in             as positive                     (Brief = "Inlet Nozzle rho-V^2", Default=1, Upper=1e6, Unit = 'kg/s^2/m');
    238238
    239239EQUATIONS
     
    391391        "write some information";
    392392       
    393 VARIABLES
     393PARAMETERS
    394394As                      as area                                         (Brief="Cross Sectional Area for Flow",Default=0.05,Lower=1e-8);
    395395Dh              as length                                       (Brief="Hydraulic Diameter of Pipe for Heat Transfer",Lower=1e-8);
     396
     397VARIABLES
    396398Re              as positive                             (Brief="Reynolds Number",Default=100,Lower=1);
    397399hcoeff  as heat_trans_coeff (Brief="Film Coefficient",Default=1,Lower=1e-12, Upper=1e6);
     
    412414        "write some information";
    413415       
    414 VARIABLES
     416PARAMETERS
    415417
    416418Dh      as length               (Brief="Hydraulic Diameter of Pipe for Pressure Drop",Lower=1e-6);
     419
     420VARIABLES
     421
    417422Pdrop   as press_delta  (Brief="Pressure Drop",Default=0.01, Lower=1e-10);
    418423fi      as fricfactor   (Brief="Friction Factor", Default=0.05, Lower=1e-10, Upper=2000);
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