| 1 | #*--------------------------------------------------------------------- |
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| 2 | * EMSO Model Library (EML) Copyright (C) 2004 - 2007 ALSOC. |
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| 3 | * |
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| 4 | * This LIBRARY is free software; you can distribute it and/or modify |
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| 5 | * it under the therms of the ALSOC FREE LICENSE as available at |
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| 6 | * http://www.enq.ufrgs.br/alsoc. |
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| 7 | * |
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| 8 | * EMSO Copyright (C) 2004 - 2007 ALSOC, original code |
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| 9 | * from http://www.rps.eng.br Copyright (C) 2002-2004. |
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| 10 | * All rights reserved. |
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| 11 | * |
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| 12 | * EMSO is distributed under the therms of the ALSOC LICENSE as |
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| 13 | * available at http://www.enq.ufrgs.br/alsoc. |
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| 14 | * |
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| 15 | *---------------------------------------------------------------------- |
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| 16 | * Model for tank volume calculation |
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| 17 | *---------------------------------------------------------------------- |
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| 18 | * |
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| 19 | * Routine to calculate tank volume and level tank volume from |
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| 20 | * different geometries and orientations. |
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| 21 | * |
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| 22 | * Geometry: |
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| 23 | * * Flat (no head) (default) |
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| 24 | * * Spherical |
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| 25 | * |
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| 26 | * Orientation: |
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| 27 | * * Vertical (default) |
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| 28 | * * Horizontal |
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| 29 | * |
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| 30 | *---------------------------------------------------------------------- |
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| 31 | * Author: Rodolfo Rodrigues |
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| 32 | * $Id$ |
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| 33 | *--------------------------------------------------------------------*# |
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| 34 | |
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| 35 | using "types"; |
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| 36 | |
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| 37 | |
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| 38 | Model vol_tank |
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| 39 | ATTRIBUTES |
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| 40 | Pallete = false; |
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| 41 | Brief = "Routine to calculate tank volume"; |
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| 42 | Info = " |
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| 43 | Based in 2 geometry and 2 configurations/orientations |
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| 44 | |
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| 45 | == Geometry == |
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| 46 | * Flat (no head) (default) |
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| 47 | * Spherical |
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| 48 | |
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| 49 | == Orientation == |
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| 50 | * Vertical (default) |
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| 51 | * Horizontal |
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| 52 | "; |
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| 53 | |
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| 54 | PARAMETERS |
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| 55 | pi as positive (Brief="Pi value", Default=3.141593, Symbol="\pi"); |
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| 56 | Geometry as Switcher (Brief="Tank head type", Valid=["flat","spherical"], Default="flat"); |
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| 57 | Orientation as Switcher(Brief="Tank orientation", Valid=["vertical","horizontal"], Default="vertical"); |
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| 58 | |
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| 59 | VARIABLES |
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| 60 | V as volume (Brief="Level tank volume"); |
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| 61 | Vt as volume (Brief="Tank volume"); |
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| 62 | L as length (Brief="Tank length"); |
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| 63 | Level as length (Brief="Tank level"); |
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| 64 | D as length (Brief="Tank diameter"); |
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| 65 | Across as area (Brief="Tank cross section area"); |
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| 66 | |
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| 67 | EQUATIONS |
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| 68 | "Content volume" |
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| 69 | V = Across*Level; |
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| 70 | |
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| 71 | switch Orientation |
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| 72 | case "vertical": |
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| 73 | switch Geometry |
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| 74 | case "flat": |
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| 75 | "Tank volume" |
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| 76 | Vt = pi/4*(D^2)*L; |
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| 77 | "Level tank volume" |
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| 78 | V = pi/4*(D^2)*Level; |
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| 79 | |
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| 80 | case "spherical": |
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| 81 | "Tank volume" |
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| 82 | Vt = pi/6*D^3; |
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| 83 | "Level tank volume" |
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| 84 | V = pi/3*Level^2*(3*D/2 - Level); |
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| 85 | end |
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| 86 | case "horizontal": |
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| 87 | switch Geometry |
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| 88 | case "flat": |
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| 89 | "Tank volume" |
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| 90 | Vt = pi/4*(D^2)*L; |
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| 91 | "Level tank volume" |
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| 92 | V = ((D^2)*acos((D - 2*Level)/D)/4/"rad" - |
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| 93 | (D - 2*Level)*sqrt(D*Level - Level^2)/2)*L; |
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| 94 | |
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| 95 | case "spherical": |
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| 96 | "Tank volume" |
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| 97 | Vt = pi/6*D^3; |
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| 98 | "Level tank volume" |
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| 99 | V = pi/3*Level^2*(3*D/2 - Level); |
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| 100 | end |
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| 101 | end |
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| 102 | end |
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