Ignore:
Timestamp:
Jun 16, 2007, 5:17:45 PM (16 years ago)
Author:
Paula Bettio Staudt
Message:

Updated ATTRIBUTES section in pressure_changers folder

File:
1 edited

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  • trunk/eml/pressure_changers/valve.mso

    r270 r277  
    1313* available at http://www.enq.ufrgs.br/alsoc.
    1414*
    15 *--------------------------------------------------------------------
    16 * Model of valves:
    17 *
    18 *       - Linear
    19 *       - Parabolic
    20 *       - Equal
    21 *       - Quick
    22 *       - Hyperbolic
    23 *       - valve_simplified: a very simple model
    24 *
    25 *--------------------------------------------------------------------
    26 *       - Assumptions
    27 *               * Steady State
    28 *               * Isentalpic
    29 *               * Liquid
    30 *
    3115*---------------------------------------------------------------------
    3216* Author: Estefane Horn, Núbia do Carmo Ferreira
     
    3418*-------------------------------------------------------------------*#
    3519
    36 using "streams";
    3720using "pressure_changers/flux_machine_basic";
    3821       
    3922
    4023Model valve as flux_machine_basic_PH
     24        ATTRIBUTES
     25        Pallete         = true;
     26        Icon            = "Valve";
     27        Brief           = "Model of a valve.";
     28        Info            =
     29        "Model of valves:
     30         * Linear;
     31         * Parabolic;
     32         * Equal;
     33         * Quick;
     34         * Hyperbolic.
    4135       
     36        Assumptions:
     37         * Steady State;
     38         * Liquid;
     39         * Isentalpic.
     40       
     41        Specify:
     42         * the valve type;
     43         * the inlet stream;
     44         * the Volumetric Flow (Qv);
     45         * the Valve Coefficient (cv);
     46         * the opening (x).
     47        ";
     48               
    4249        PARAMETERS
    4350        valve_type as Switcher (Valid = ["linear", "parabolic", "equal", "quick", "hyperbolic"], Default = "linear");
     
    125132*--------------------------------------------------------------------
    126133*
    127 *       Streams:
    128 *               * an  inlet stream
    129 *               * an  outlet stream
    130 *
    131 *       Assumptions:
    132 *               * no flashing liquid in the valve
    133 *               * the flow in the valve is adiabatic
    134 *               * dynamics in the valve are neglected
    135 *               * linear flow type
    136 *
    137 *       Specify:
    138 *               * the inlet stream
    139 *               * one of: plug position (x), outlet temperature (Outlet.T) or
    140 *                                                               outlet pressure (Outlet.P)
    141 *       or             
    142 *               * the inlet stream excluding its flow (Inlet.F)
    143 *               * the outlet pressure (Outlet.P) OR outlet flow (Outlet.F)
    144 *               * the plug position (x)
    145 *
    146 *
    147 *----------------------------------------------------------------------
    148134* Author: Paula B. Staudt
    149135*--------------------------------------------------------------------*#
    150136Model valve_simplified
     137        ATTRIBUTES
     138        Pallete         = true;
     139        Icon            = "Valve";
     140        Brief           = "Model of a very simple valve - used in distillation column models.";
     141        Info            =
     142        "Assumptions:
     143         * no flashing liquid in the valve;
     144         * the flow in the valve is adiabatic;
     145         * dynamics in the valve are neglected;
     146         * linear flow type.
     147       
     148        Specify:
     149         * the inlet stream
     150         * the plug position (x) OR outlet temperature (Outlet.T) OR outlet pressure (Outlet.P)
     151       
     152        OR             
     153       
     154         * the inlet stream excluding its flow (Inlet.F)
     155         * the outlet pressure (Outlet.P) OR outlet flow (Outlet.F)
     156         * the plug position (x)
     157        ";
    151158
    152159        PARAMETERS
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