Changeset 524 for trunk/eml


Ignore:
Timestamp:
May 23, 2008, 5:33:31 PM (14 years ago)
Author:
gerson bicca
Message:

updated the simplified model of heat exchangers

Location:
trunk/eml/heat_exchangers
Files:
2 edited

Legend:

Unmodified
Added
Removed
  • trunk/eml/heat_exchangers/HEX_Engine.mso

    r523 r524  
    326326end
    327327
    328 Model Basic_Pdrop
    329        
    330 ATTRIBUTES
    331         Pallete = false;
    332         Brief = "to be documented";
    333         Info =
    334         "to be documented";
    335        
    336 VARIABLES
    337 
    338 Pdrop   as press_delta  (Brief="Pressure Drop",Default=0.01, Lower=0,DisplayUnit='kPa' , Symbol ="\Delta P");
    339 FPdrop  as Real                 (Brief="Pressure Drop : Fraction of Inlet",Lower=0,Upper=0.8);
    340 
    341 end
    342 
    343328Model DoublePipe_HeatTransfer
    344329       
     
    402387end
    403388
    404 Model Main_Simplified
    405        
    406 ATTRIBUTES
    407         Pallete = false;
    408         Brief = "to be documented";
    409         Info =
    410         "to be documented";
    411        
    412 VARIABLES
    413 
    414 PressureDrop    as Basic_Pdrop                  (Brief="Pressure Drop", Symbol=" ");
    415 Properties      as Physical_Properties   (Brief="Physical Properties", Symbol=" ");
    416 
    417 end
  • trunk/eml/heat_exchangers/Heatex.mso

    r486 r524  
    1515*--------------------------------------------------------------------
    1616* Author: Gerson Balbueno Bicca
    17 * $Id  $
     17* $Id: Heatex.mso  $
    1818*--------------------------------------------------------------------*#
    1919
    2020using "heat_exchangers/HEX_Engine";
     21
     22Model Basic_Pdrop
     23       
     24ATTRIBUTES
     25        Pallete = false;
     26        Brief = "to be documented";
     27        Info =
     28        "to be documented";
     29       
     30VARIABLES
     31
     32Pdrop           as press_delta  (Brief="Pressure Drop",Default=0.01, Lower=0,DisplayUnit='kPa' , Symbol ="\Delta P");
     33FPdrop  as Real                         (Brief="Pressure Drop : Fraction of Inlet",Lower=0,Upper=0.8);
     34
     35end
     36
     37Model Main_Simplified
     38       
     39ATTRIBUTES
     40        Pallete = false;
     41        Brief = "to be documented";
     42        Info =
     43        "to be documented";
     44       
     45VARIABLES
     46
     47PressureDrop    as Basic_Pdrop                          (Brief="Pressure Drop", Symbol=" ");
     48Properties              as Physical_Properties          (Brief="Physical Properties", Symbol=" ");
     49
     50end
    2151
    2252Model Heatex_Basic
     
    3262outer NComp     as Integer  (Brief="Number of Components");
    3363       
    34         M(NComp)  as molweight  (Brief="Component Mol Weight");
     64        M(NComp)  as molweight  (Brief="Component Mol Weight",Hidden=true);
    3565       
    3666VARIABLES
     
    4171out OutletCold  as streamPH     (Brief="Outlet Cold Stream", PosX=0.5237, PosY=0, Symbol="^{outCold}");
    4272
    43         xh(NComp)       as fraction             (Brief = "Liquid Molar Fraction in Hot Side");
    44         yh(NComp)       as fraction             (Brief = "Vapour Molar Fraction in Hot Side");
    45         vh                      as fraction             (Brief = "Vapour Fraction in Hot Side");
    46        
    47         xc(NComp)       as fraction             (Brief = "Liquid Molar Fraction in Cold Side");
    48         yc(NComp)       as fraction             (Brief = "Vapour Molar Fraction in Cold Side");
    49         vc                      as fraction             (Brief = "Vapour Fraction in Cold Side");
     73        xh(NComp)       as fraction             (Brief = "Liquid Molar Fraction in Hot Side",Hidden=true);
     74        yh(NComp)       as fraction             (Brief = "Vapour Molar Fraction in Hot Side",Hidden=true);
     75        vh                      as fraction             (Brief = "Vapour Fraction in Hot Side",Hidden=true);
     76       
     77        xc(NComp)       as fraction             (Brief = "Liquid Molar Fraction in Cold Side",Hidden=true);
     78        yc(NComp)       as fraction             (Brief = "Vapour Molar Fraction in Cold Side",Hidden=true);
     79        vc                      as fraction             (Brief = "Vapour Fraction in Cold Side",Hidden=true);
    5080
    5181        Details     as Details_Main     (Brief="Heat Exchanger Details", Symbol=" ");
     
    207237
    208238        Method  as LMTD_Basic   (Brief="LMTD Method of Calculation", Symbol =" ");
    209         R                               as positive                     (Brief="Capacity Ratio for LMTD Correction Fator",Lower=1e-6);
    210         P                               as positive                     (Brief="Non - Dimensional Variable for LMTD Correction Fator ",Lower=1e-6);
    211         Rho             as positive                     (Brief="Non - Dimensional Variable for LMTD Correction Fator in Fakheri Equation",Lower=1e-6);
    212         Phi             as positive                     (Brief="Non - Dimensional Variable for LMTD Correction Fator in Fakheri Equation",Lower=1e-6, Symbol ="\phi");
     239        R                               as positive                     (Brief="Capacity Ratio for LMTD Correction Fator",Lower=1e-6,Hidden=true);
     240        P                               as positive                     (Brief="Non - Dimensional Variable for LMTD Correction Fator ",Lower=1e-6,Hidden=true);
     241        Rho             as positive                     (Brief="Non - Dimensional Variable for LMTD Correction Fator in Fakheri Equation",Lower=1e-6,Hidden=true);
     242        Phi             as positive                     (Brief="Non - Dimensional Variable for LMTD Correction Fator in Fakheri Equation",Lower=1e-6, Symbol ="\phi",Hidden=true);
    213243
    214244EQUATIONS
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