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[]
[null,"Flash Tank Sizing\nCalculator",null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Previous Unit",1,2,"Paste Values\n (non formulated)"]
[null,"This excel sheet calculates the required volume of a flash tank.",null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Unit Preferences",1,"1: English 2: Metric",null,null,{"$f":"IF(units_pref, \"Unit Preferences - English\", \"Unit Preferences - Metric\")","v":"Unit Preferences - English"},null,null,null,2,"English","Metric","English","Metric"]
[]
[null,null,null,null,null,null,"Sensible Heat",null,null,"Latent Heat",null,null,null,null,null,null,null,"Atm Pressure",{"$f":"14.69594878","v":14.69594878},"psia",null,null,"Mass",{"$f":"IF(Y5=\"lb\",1,0.45359237)","v":1},{"$f":"IF(units_pref=1,\"lb\",\"kg\")","v":"lb"}]
[null,null,"Process Pressure:",180,{"$f":"IF(units_pref=1,\" psig\",\" barg\")","v":" psig"},null,{"$f":"hL_p(S6)*unit_preference_energy/unit_preference_mass","v":353.12958513771417},{"$f":"IF(units_pref=1,\"btu/lb\",\"kJ/kg\")","v":"btu/lb"},null,{"$f":"(hV_p(S6)-hL_p(S6))*unit_preference_energy/unit_preference_mass","v":845.3000475999163},{"$f":"IF(units_pref=1,\"btu/lb\",\"kJ/kg\")","v":"btu/lb"},null,null,null,{"$f":"IF(ISBLANK(D6),\"¬\",\"\")","v":""},null,null,"Pressure",{"$f":"IF(units_pref=1,D6,D6/unit_preference_pres_SI)+$S$5","v":194.69594878000001},"psia",null,null,"Length",{"$f":"IF(Y6=\"ft\",1,0.3048)","v":1},{"$f":"IF(units_pref=1,\"ft\",\"m\")","v":"ft"},null,null,{"$f":"IF(units_pref=$AB$2,$D6,$D6/unit_preference_pres_SI)","v":180},{"$f":"IF(units_pref=$AB$2,$D6*unit_preference_pres_SI,$D6)","v":12.410563127400001},180,12.410563127400001]
[null,null,"Flash Tank Pressure:",30,{"$f":"IF(units_pref=1,\" psig\",\" barg\")","v":" psig"},null,{"$f":"hL_p(S7)*unit_preference_energy/unit_preference_mass","v":243.07190352760634},{"$f":"IF(units_pref=1,\"btu/lb\",\"kJ/kg\")","v":"btu/lb"},null,{"$f":"(hV_p(S7)-hL_p(S7))*unit_preference_energy/unit_preference_mass","v":928.95150036656855},{"$f":"IF(units_pref=1,\"btu/lb\",\"kJ/kg\")","v":"btu/lb"},null,null,null,{"$f":"IF(ISBLANK(D7),\"¬\",\"\")","v":""},null,null,"Pressure",{"$f":"IF(units_pref=1,D7,D7/unit_preference_pres_SI)+$S$5","v":44.695948780000002},"psia",null,null,"Pressure",{"$f":"IF(Y7=\"psia\",1,0.06894757293)","v":1},{"$f":"IF(units_pref=1,\"psia\",\"bara\")","v":"psia"},null,null,{"$f":"IF(units_pref=$AB$2,$D7,$D7/unit_preference_pres_SI)","v":30},{"$f":"IF(units_pref=$AB$2,$D7*unit_preference_pres_SI,$D7)","v":2.0684271879000002},30,2.0684271879000002]
[null,null,"Percent Flash Steam:",{"$f":"(G6-G7)/J7*100","v":11.847516427572222}," %",null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Energy",{"$f":"IF(Y8=\"Btu\",1,1.055055853)","v":1},{"$f":"IF(units_pref=1,\"Btu\",\"kJ\")","v":"Btu"}]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Velocity",{"$f":"IF(Y9=\"ft/s\",1,0.3048)","v":1},{"$f":"IF(units_pref=1,\"ft/s\",\"m/s\")","v":"ft/s"}]
[null,null,"Steam Flowrate:",56819,{"$f":"IF(units_pref=1,\" lb/h\",\" kg/h\")","v":" lb/h"},null,null,null,null,null,null,null,null,null,{"$f":"IF(ISBLANK(D10),\"¬\",\"\")","v":""},null,null,null,null,null,null,null,"Length_inch",{"$f":"IF(units_pref=1,12,39.37007874)","v":12},"in",null,null,{"$f":"IF(units_pref=$AB$2,$D10,$D10/unit_preference_mass_SI)","v":56819},{"$f":"IF(units_pref=$AB$2,$D10*unit_preference_mass_SI,$D10)","v":25772.66487103},56819,25772.66487103]
[null,null,null,null,null,null,"Density",null,null,"Specific Volume"]
[null,null,"Flash Steam Flowrate:",{"$f":"D10*D8/100","v":6731.6403589822612},{"$f":"IF(units_pref=1,\" lb/h\",\" kg/h\")","v":" lb/h"},null,{"$f":" rhoV_p(S7)*unit_preference_mass/unit_preference_length^3","v":0.105682504088031},{"$f":"IF(units_pref=1,\" lb/ft³\",\" kg/m³\")","v":" lb/ft³"},null,{"$f":"1/G12","v":9.4623041782490684},{"$f":"IF(units_pref=1,\" ft³/lb\",\" m³/kg\")","v":" ft³/lb"},null,null,null,null,null,null,null,null,null,null,null,"Unit Conversion: 1 English unit to SI unit"]
[null,null,{"$f":" \"at \" & ROUND($D$7,1)  & $E$7","v":"at 30 psig"},{"$f":"J12*D12/3600","v":17.693563526463308},{"$f":"IF(units_pref=1,\" ft³/s\",\" m³/s\")","v":" ft³/s"},null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,0.45359237000000002,"kg"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,0.30480000000000002,"m"]
[null,null,"Condensate Flowrate:",{"$f":"D10-D12","v":50087.359641017742},{"$f":"IF(units_pref=1,\" lb/h\",\" kg/h\")","v":" lb/h"},null,{"$f":" rhoL_P(S7)*unit_preference_mass/unit_preference_length^3","v":58.121566968005844},{"$f":"IF(units_pref=1,\" lb/ft³\",\" kg/m³\")","v":" lb/ft³"},null,{"$f":"1/G15","v":1.7205317271478067E-2},{"$f":"IF(units_pref=1,\" ft³/lb\",\" m³/kg\")","v":" ft³/lb"},null,null,null,null,null,null,null,null,null,null,null,6.8947572930000006E-2,"bara"]
[null,null,{"$f":" \"at \" & ROUND($D$7,1)  & $E$7","v":"at 30 psig"},{"$f":"J15*D15/3600","v":0.23938025386509335},{"$f":"IF(units_pref=1,\" ft³/s\",\" m³/s\")","v":" ft³/s"}]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1.055055853,"kJ"]
[null,null,"Vessel Design Layout:","For Vertical Only"]
[]
[null,null,"Liquid Retention/Surge Time:",5," min(s)",null,null,null,null,{"$f":"D12","v":6731.6403589822612},null,null,null,null,{"$f":"IF(ISBLANK(D20),\"¬\",\"\")","v":""}]
[null,null,"Typical range: 3 ~ 5 mins",null,null,null,null,null,null,{"$f":"E12","v":" lb/h"}]
[]
[null,null,"Sizing Factor:",1.5]
[null,null,"Recommended: 1.5"]
[]
[null,null,null,"Design",null,null,{"$f":"D10","v":56819},null,null,null,{"$f":"D29","v":2.1120135721103273}]
[null,null,"Preferred Tank Diameter",48," in",null,{"$f":"E10","v":" lb/h"},null,null,null,{"$f":"E29","v":" ft"},null,null,null,null,null,null,"Area",{"$f":"PI()*(D27/2)^2/unit_preference_length_inch^2","v":12.566370614359172},{"$f":"IF(units_pref=1,\" ft²\",\" m²\")","v":" ft²"}]
[null,null,null,null,null,null,null,null,{"$f":"D27/unit_preference_length_inch","v":4}]
[null,null,"Height of Steam Section:",{"$f":"D13*D23/S27","v":2.1120135721103273},{"$f":"IF(units_pref=1,\" ft\",\" m\")","v":" ft"},null,null,null,{"$f":"E29","v":" ft"}]
[null,null,"Height of Condensate Section:",{"$f":"D16*60*D20/S27","v":5.7147826021833588},{"$f":"IF(units_pref=1,\" ft\",\" m\")","v":" ft"},null,null,null,null,null,{"$f":"D30","v":5.7147826021833588}]
[null,null,null,null,null,null,null,null,null,null,{"$f":"E30","v":" ft"}]
[null,null,"Required Tank Height:",{"$f":"D29+D30","v":7.826796174293686},{"$f":"IF(units_pref=1,\" ft\",\" m\")","v":" ft"},null,null,null,{"$f":"D10","v":56819}]
[null,null,null,null,null,null,null,null,{"$f":"E10","v":" lb/h"}]
[null,null,"Total Volume",{"$f":"D32*S27","v":98.354421449222968},{"$f":"IF(units_pref=1,\" ft³\",\" m³\")","v":" ft³"}]
[null,null,"- exclude vol. of dished heads",null,null,null,null,null,null,{"$f":"D15","v":50087.359641017742}]
[null,null,null,null,null,null,null,null,null,{"$f":"E15","v":" lb/h"}]
[]
[null,null,"Flash Vent Line Sizing"]
[]
[null,null,{"$f":"\"The velocity of the flash steam at the outlet should not exceed \" & ROUND(3000*unit_preference_length,0) & IF(units_pref=1,\" feet per minute.\", \" meter per minute.\")","v":"The velocity of the flash steam at the outlet should not exceed 3000 feet per minute."}]
[null,null,"Norminal Diameter:",null," in",null,null,null,null,null,null,null,null,null,null,null,null,"Norminal Diameter",17,{"$f":"INDEX(Pipe_Size,S41,1)","v":10}," : See list in Pipe Chart (row for vlookup)"]
[null,null,"Pipe Schedule:",null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Schedule",12,{"$f":"MATCH(INDEX('Pipe Chart'!AX4:AX20,Main!S42,1),'Pipe Chart'!AV4:AV20,0)","v":12}," : See list in Pipe Chart (column for vlookup)"]
[null,null,"Outside Diameter, OD:",{"$f":"VLOOKUP($T$41,Pipe_Chart,2,FALSE)","v":10.75}," in"]
[null,null,"Wall Thickness:",{"$f":"VLOOKUP($T$41,Pipe_Chart,T42+2,FALSE)","v":0.59399999999999997}," in"]
[null,null,"Internal Diameter, ID:",{"$f":"D43-D44*2","v":9.5619999999999994}," in"]
[null,null,"Inside Cross Sectional Area:",{"$f":"PI()*(D45/2)^2","v":71.81040235364199}," in²"]
[]
[null,null,"Steam Velocity:",{"$f":"D13*60/D46*unit_preference_length_inch^2","v":2128.8334817537725},{"$f":"IF(units_pref=1,\" ft/min\",\" m/min\")","v":" ft/min"}]
[null,null,null,{"$f":"IF(D48>3000*unit_preference_length,\"Exceed conservative limits, please select larger ID pipe.\",\"Sizing is ok - within conservative limits.\")","v":"Sizing is ok - within conservative limits."}]
[]
[]
[null,null,"Copy Rights: Not to be copied or distributed without specific permission from Inveno Engineering LLC; kelly.paffel@invenoeng.com"]

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["User Calculations Sheet"]
[]
["This is a blank sheet provided for the user to make notes, carry out calculations etc."]

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[null,16,16,null,0.188,0.25,0.312,0.375,0.375,0.375,0.5,0.65600000000000003,0.5,0.5,0.84399999999999997,1.0309999999999999,1.2190000000000001,1.4279999999999999,1.5940000000000001,null," ",null,null,null,null,null,16,"","10S",10,20,30,"40S","STD",40,60,"80S","XS",80,100,120,140,160,""]
[null,18,18,null,0.188,0.25,0.312,0.438,0.375,0.375,0.56200000000000006,0.75,0.5,0.5,0.93799999999999994,1.1559999999999999,1.375,1.5620000000000001,1.7809999999999999,null," ",null,null,null,null,null,18,"","10S",10,20,30,"40S","STD",40,60,"80S","XS",80,100,120,140,160,""]
[null,20,20,null,0.219,0.25,0.375,0.5,0.375,0.375,0.59399999999999997,0.81200000000000006,0.5,0.5,1.0309999999999999,1.2809999999999999,1.5,1.75,1.9690000000000001,null," ",null,null,null,null,null,20,"","10S",10,20,30,"40S","STD",40,60,"80S","XS",80,100,120,140,160,""]
[null,22,22,null,0.219,0.25,0.375,0.5,0.375,0.375,null,0.875,0.5,0.5,1.125,1.375,1.625,1.875,2.125,null," ",null,null,null,null,null,22,"","10S",10,20,30,"40S","STD","",60,"80S","XS",80,100,120,140,160,""]
[null,24,24,null,0.25,0.25,0.375,0.56200000000000006,0.375,0.375,0.68799999999999994,0.96899999999999997,0.5,0.5,1.2190000000000001,1.5309999999999999,1.8120000000000001,2.0619999999999998,2.3439999999999999,null," ",null,null,null,null,null,24,"","10S",10,20,30,"40S","STD",40,60,"80S","XS",80,100,120,140,160,""]
[null,26,26,null,null,0.312,0.5,null,0.375,0.375,null,null,0.5,0.5,null,null,null,null,null,null," ",null,null,null,null,null,26,"","",10,20,"","40S","STD","","","80S","XS","","","","","",""]
[null,28,28,null,null,0.312,0.5,0.625,0.375,0.375,null,null,null,null,null,null,null,null,null,null," ",null,null,null,null,null,28,"","",10,20,30,"40S","STD","","","","","","","","","",""]
[null,30,30,null,0.312,0.312,0.5,0.625,0.375,0.375,null,null,0.5,0.5,null,null,null,null,null,null," ",null,null,null,null,null,30,"","10S",10,20,30,"40S","STD","","","80S","XS","","","","","",""]
[null,32,32,null,null,0.312,0.5,0.625,0.375,0.375,0.68799999999999994,null,0.5,0.5,null,null,null,null,null,null," ",null,null,null,null,null,32,"","",10,20,30,"40S","STD",40,"","80S","XS","","","","","",""]
[null,34,34,null,null,0.312,0.5,0.625,0.375,0.375,0.68799999999999994,null,0.5,0.5,null,null,null,null,null,null," ",null,null,null,null,null,34,"","",10,20,30,"40S","STD",40,"","80S","XS","","","","","",""]
[null,36,36,null,null,0.312,0.5,0.625,0.375,0.375,0.75,null,0.5,0.5,null,null,null,null,null,null," ",null,null,null,null,null,36,"","",10,20,30,"40S","STD",40,"","80S","XS","","","","","",""]
[null,42,42,null,null,0.313,0.5,null,0.375,0.375,null,null,0.5,0.5,null,null,null,null,null,null," ",null,null,null,null,null,42,"","",10,20,"","40S","STD","","","80S","XS","","","","","",""]
[null,48,48,null,null,null,null,null,0.375,0.375,null,null,0.5,0.5,null,null,null,null,null,null," ",null,null,null,null,null,48,"","","","","","40S","STD","","","80S","XS","","","","","",""]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null," "]

{"sheet":"Properties","index":3,"n_rows":29,"n_cols":8,"rows_kept":29,"cut":false,"hidden":true,"merged":[]}
[null,"X Steam Tables  (English Units)"]
[null,"Excel macros, IF-97 Steam tables. ",null,"The excel scripts are stored inside this workbook. A complete list of functions for use is available on the \"Calling functions\" worksheet"]
[null,"By: Magnus Holmgren",null,"The steam tables are free and provided as is. We take no responsibilities for any errors in the code or damage thereby."]
[null,"www.x-eng.com",null,"OBS: This workbook uses macros. Set security options in Tools:Macro:Security… to enable macros."]
[]
[null,"Saturation properties given temperature",null,null,null,"Saturation properties given pressure"]
[null,"Temperature",50,"degF",null,"Pressure",12.57,"psi (a)"]
[null,"Saturation pressure",{"$f":"psat_t(C7)","v":0.17813301000769874},"psi (a)",null,"Saturation temperature",{"$f":"Tsat_p(G7)","v":204.17777791927469},"degF"]
[null,"Liquid",null,null,null,"Liquid"]
[null,"Enthalpy",{"$f":"hL_T(C7)","v":18.065816271919097},"btu/lb",null,"Enthalpy",{"$f":"hL_p(G7)","v":172.30242549737997},"btu/lb"]
[null,"Density",{"$f":"rhoL_T(C7)","v":62.406342618778162},"lb /ft3",null,"Density",{"$f":"rhoL_P(G7)","v":60.020209137088131},"lb /ft3"]
[null,"Entropy",{"$f":"sL_T(C7)","v":3.6086052903275448E-2},"btu/(lb F)",null,"Entropy",{"$f":"sL_p(G7)","v":0.30038744224357444},"btu/(lb F)"]
[null,"Vapour",null,null,null,"Vapour"]
[null,"Vapour enthalpy",{"$f":"hV_T(C7)","v":1083.0738774464417},"btu/lb",null,"Vapour enthalpy",{"$f":"hV_p(G7)","v":1147.318490880599},"btu/lb"]
[null,"Vapour density",{"$f":"rhoV_T(C7)","v":5.8723286456754725E-4},"lb /ft3",null,"Vapour density",{"$f":"rhoV_p(G7)","v":3.2235542163525463E-2},"lb /ft3"]
[null,"Vapour Entropy",{"$f":"sV_T(C7)","v":2.1256916787390598},"btu/(lb F)",null,"vapour Entropy",{"$f":"sV_p(G7)","v":1.7691143714675075},"btu/(lb F)"]
[null,"Evaporation energy",{"$f":"C14-C10","v":1065.0080611745225},"btu/lb",null,"Evaporation energy",{"$f":"G14-G10","v":975.01606538321903},"btu/lb"]
[]
[null,"Properties given pressure and temperature",null,null,null,"Properties given pressure and enthalpy"]
[null,"Pressure",100,"psi (a)",null,"Pressure",12.57,"psi (a)"]
[null,"Temperature",50,"degF",null,"Enthalpy",2788,"btu/lb"]
[null,"Enthalpy",{"$f":"h_pt(C20,C21)","v":18.354327600849064},"btu/lb",null,"Temperature",{"$f":"T_ph(G20,G21)","v":3074.5707483291626},"degF"]
[null,"Density",{"$f":"rho_pT(C20,C21)","v":62.426859281115377},"lb /ft3",null,"Density",{"$f":"rho_ph(G20,G21)","v":5.9703452166335897E-3},"lb /ft3"]
[null,"Entropy",{"$f":"s_pT(C20,C21)","v":3.6071463664522962E-2},"btu/(lb F)",null,"Entropy",{"$f":"s_ph(G20,G21)","v":2.674276314249977},"btu/(lb F)"]
[null,"Vapour fraction",{"$f":"x_ph(C20,C22)*100","v":0},"%",null,"Vapour fraction",{"$f":"x_ph(G20,G21)*100","v":100},"%"]
[null,"IF97 Region",{"$f":"region_pt(C20/10,C21+273.15)","v":1},null,null,"IF97 Region",{"$f":"region_ph(G20/10,G21)","v":2}]
[null,"Phase",{"$f":"IF(C26=2,\"Steam\",IF(C26=1,\"Liquid\",IF(C26=4,\"Mixture\",\"\")))","v":"Liquid"},null,null,"Phase",{"$f":"IF(G26=2,\"Steam\",IF(G26=1,\"Liquid\",IF(G26=4,\"Mixture\",\"\")))","v":"Steam"}]
[null,"Isobaric heat capacity ",{"$f":"Cp_pT(C20,C21)","v":1.0015340327424829},"btu/(lb F)",null,"Isobaric heat capacity ",{"$f":"Cp_ph(G20,G21)","v":0.67524179335823475},"btu/(lb F)"]
[null,"Speed of sound",{"$f":"w_pT(C20,C21)","v":4752.2401977897171},"ft/s",null,"Speed of sound",{"$f":"w_ph(G20,G21)","v":3414.439143641735},"ft/s"]

{"sheet":"Functions","index":4,"n_rows":152,"n_cols":8,"rows_kept":152,"cut":false,"hidden":true,"merged":[]}
["X Steam Tables",null,null,"v2.6","http://www.x-eng.com"]
["Steam tables by Magnus Holmgren according to IAPWS IF-97 "]
["The excel scripts are stored inside this workbook. (No extra files are needed. Start from a copy of this workbook. This page can be removed)"]
["For error-reporting, feedback, other units etc. contact:",null,null,null,null,"magnus@x-eng.com"]
["The steam tables are free and provided as is. We take no responsibilities for any errors in the code or damage thereby."]
["OBS: This workbook uses macros. Set security options in Tools:Macro:Security… to enable macros."]
[]
["Temperature"]
[" Tsat_p",14.503773799999999,"psi",null,null,{"$f":"Tsat_p(B9)","v":211.2906535708841},"deg F","Saturation temperature"]
[" T_ph",1,"psi",100,"btu/lb",{"$f":"T_ph(B10,D10)","v":101.69433722352896},"deg F","Temperture as a function of pressure and enthalpy"]
[" T_ps",1,"psi",1,"btu/(lb F)",{"$f":"T_ps(B11,D11)","v":101.69433722352896},"deg F","Temperture as a function of pressure and entropy"]
[" T_hs",100,"btu/lb",0.2,"btu/(lb F)",{"$f":"T_hs(B12,D12)","v":40.712708761178419},"deg F","Temperture as a function of enthalpy and entropy"]
["Pressure"]
[" psat_T",100,"deg F",null,null,{"$f":"psat_t(B14)","v":0.95043933077881249},"psi (a)","Saturation pressure"]
[" p_hs",100,"btu/lb",{"$f":"F49","v":0.18512524760110738},"btu/(lb F)",{"$f":"p_hs(B15,D15)","v":5.9882919074278274},"psi (a)","Pressure as a function of h and s. "]
[" p_hrho",100,"btu/lb",5,"lb/ft3",{"$f":"p_hrho(B16,D16)","v":2.2737319182747444},"psi (a)","Pressure as a function of h and rho (density). Very unaccurate for solid water region since it's almost incompressible!"]
["Enthalpy"]
[" hV_p",1,"psi",null,null,{"$f":"hV_p(B18)","v":1105.4393386640004},"btu/lb","Saturated vapour enthalpy"]
[" hL_p",1,"psi",null,null,{"$f":"hL_p(B19)","v":69.728239049354812},"btu/lb","Saturated liquid enthalpy"]
[" hV_T",100,"deg F",null,null,{"$f":"hV_T(B20)","v":1104.7148547166025},"btu/lb","Saturated vapour enthalpy"]
[" hL_T",100,"deg F",null,null,{"$f":"hL_T(B21)","v":68.036985639994001},"btu/lb","Saturated liquid enthalpy"]
[" h_pT",14.503773799999999,"psi",68,"deg F",{"$f":"h_pt(B22,D22)","v":36.11857745798283},"btu/lb","Entalpy as a function of pressure and temperature."]
[" h_ps",1,"psi",1,"btu/(lb F)",{"$f":"h_ps(B23,D23)","v":556.63691364819874},"btu/lb","Entalpy as a function of pressure and entropy."]
[" h_px",1,"psi",0.5,null,{"$f":"h_px(B24,D24)","v":587.58378885667753},"btu/lb","Entalpy as a function of pressure and vapour fraction"]
[" h_Tx",100,"deg F",0.5,null,{"$f":"h_tx(B25,D25)","v":586.37592017829832},"btu/lb","Entalpy as a function of temperature and vapour fraction"]
[" h_prho",1,"psi",2,"lb/ft3",{"$f":"h_prho(B26,D26)","v":71.230953968579257},"btu/lb","Entalpy as a function of pressure and density. Observe for low temperatures (liquid) this equation has 2 solutions. (Not valid!!)"]
["Specific volume"]
[" vV_p",1,"psi",null,null,{"$f":"vV_p(B28)","v":333.50751891901803},"ft3/lb","Saturated vapour volume"]
[" vL_p",1,"psi",null,null,{"$f":"vL_p(B29)","v":1.613681120860341E-2},"ft3/lb","Saturated liquid volume"]
[" vV_T",100,"deg F",null,null,{"$f":"vV_T(B30)","v":349.8695998974697},"ft3/lb","Saturated vapour volume"]
[" vL_T",100,"deg F",null,null,{"$f":"vL_T(B31)","v":1.6131174327003114E-2},"ft3/lb","Saturated liquid volume"]
[" v_pT",1,"psi",100,"deg F",{"$f":"v_pT(B32,D32)","v":1.6131171891217523E-2},"ft3/lb","Specific volume as a function of pressure and temperature."]
[" v_ph",1,"psi",1000,"btu/lb",{"$f":"v_ph(B33,D33)","v":299.55682476050805},"ft3/lb","Specific volume as a function of pressure and enthalpy"]
[" v_ps",10,"psi",{"$f":"F49","v":0.18512524760110738},"btu/(lb F)",{"$f":"v_ps(B34,D34)","v":1.6255423844855975E-2},"ft3/lb","Specific volume as a function of pressure and entropy."]
["Density"]
[" rhoV_p",1,"psi",null,null,{"$f":"rhoV_p(B36)","v":2.9984331484976777E-3},"lb/ft3","Saturated vapour density"]
[" rhoL_p",1,"psi",null,null,{"$f":"rhoL_P(B37)","v":61.970112128897298},"lb/ft3","Saturated liquid density"]
[" rhoV_T",100,"deg F",null,null,{"$f":"rhoV_T(B38)","v":2.858207744522682E-3},"lb/ft3","Saturated vapour density"]
[" rhoL_T",100,"deg F",null,null,{"$f":"rhoL_T(B39)","v":61.991766980413153},"lb/ft3","Saturated liquid density"]
[" rho_pT",1,"psi",100,"deg F",{"$f":"rho_pT(B40,D40)","v":61.991776341087863},"lb/ft3","Density as a function of pressure and temperature."]
[" rho_ph",1,"psi",1000,"btu/lb",{"$f":"rho_ph(B41,D41)","v":3.3382647876558564E-3},"lb/ft3","Density as a function of pressure and enthalpy"]
[" rho_ps",1,"psi",1,"btu/(lb F)",{"$f":"rho_ps(B42,D42)","v":6.3776664978736569E-3},"lb/ft3","Density as a function of pressure and entropy."]
["Specific entropy "]
[" sV_p",1,"psi",null,null,{"$f":"sV_p(B44)","v":1.9776246796445243},"btu/(lb F)","Saturated vapour entropy"]
[" sL_p",1,"psi",null,null,{"$f":"sL_p(B45)","v":0.13263149847209779},"btu/(lb F)","Saturated liquid entropy"]
[" sV_T",50,"deg F",null,null,{"$f":"sV_T(B46)","v":2.1256916787390598},"btu/(lb F)","Saturated vapour entropy"]
[" sL_T",100,"deg F",null,null,{"$f":"sL_T(B47)","v":0.12961445130558455},"btu/(lb F)","Saturated liquid entropy"]
[" s_pT",1,"psi",50,"deg F",{"$f":"s_pT(B48,D48)","v":3.6085933900856779E-2},"btu/(lb F)","Specific entropy as a function of pressure and temperature (Returns saturated vapour entalpy if mixture.)"]
[" s_ph",10,"psi",100,"btu/lb",{"$f":"s_ph(B49,D49)","v":0.18512524760110738},"btu/(lb F)","Specific entropy as a function of pressure and enthalpy"]
["Specific internal energy "]
[" uV_p",1,"psi",null,null,{"$f":"uV_p(B51)","v":1043.7238674299194},"btu/lb","Saturated vapour internal energy"]
[" uL_p",1,"psi",null,null,{"$f":"uL_p(B52)","v":69.725252937044104},"btu/lb","Saturated liquid internal energy"]
[" uV_T",100,"deg F",null,null,{"$f":"uV_T(B53)","v":1043.1803048366698},"btu/lb","Saturated vapour internal energy"]
[" uL_T",100,"deg F",null,null,{"$f":"uL_T(B54)","v":68.034148512814212},"btu/lb","Saturated liquid internal energy"]
[" u_pT",1,"psi",100,"deg F",{"$f":"u_pT(B55,D55)","v":68.034131602610202},"btu/lb","Specific internal energy as a function of pressure and temperature."]
[" u_ph",1,"psi",1000,"btu/lb",{"$f":"u_ph(B56,D56)","v":944.56709503461354},"btu/lb","Specific internal energy as a function of pressure and enthalpy"]
[" u_ps",1,"psi",1,"btu/(lb F)",{"$f":"u_ps(B57,D57)","v":527.62164375518705},"btu/lb","Specific internal energy as a function of pressure and entropy."]
["Specific isobaric heat capacity "]
[" CpV_p",1,"psi",null,null,{"$f":"CpV_p(B59)","v":0.4610466176319381},"btu/(lb F)","Saturated vapour heat capacity "]
[" CpL_p",1,"psi",null,null,{"$f":"CpL_p(B60)","v":0.99809613194003055},"btu/(lb F)","Saturated liquid heat capacity "]
[" CpV_T",100,"deg F",null,null,{"$f":"CpV_T(B61)","v":0.46071413521990223},"btu/(lb F)","Saturated vapour heat capacity "]
[" CpL_T",100,"deg F",null,null,{"$f":"CpL_T(B62)","v":0.9981101482481709},"btu/(lb F)","Saturated liquid heat capacity "]
[" Cp_pT",1,"psi",100,"deg F",{"$f":"Cp_pT(B63,D63)","v":0.99810994311651391},"btu/(lb F)","Specific isobaric heat capacity as a function of pressure and temperature."]
[" Cp_ph",100,"psi",200,"btu/lb",{"$f":"Cp_ph(B64,D64)","v":1.010383515186803},"btu/(lb F)","Specific isobaric heat capacity as a function of pressure and enthalpy"]
[" Cp_ps",100,"psi",{"$f":"F49","v":0.18512524760110738},"btu/(lb F)",{"$f":"Cp_ps(B65,D65)","v":0.99831685085166899},"btu/(lb F)","Specific isobaric heat capacity as a function of pressure and entropy."]
["Specific isochoric heat capacity "]
[" CvV_p",1,"psi",null,null,{"$f":"CvV_p(B67)","v":0.3473815118397266},"btu/(lb F)","Saturated vapour isochoric heat capacity"]
[" CvL_p",1,"psi",null,null,{"$f":"CvL_p(B68)","v":0.97419487072272337},"btu/(lb F)","Saturated liquid isochoric heat capacity"]
[" CvV_T",100,"deg F",null,null,{"$f":"CvV_T(B69)","v":0.3471349756795683},"btu/(lb F)","Saturated vapour isochoric heat capacity"]
[" CvL_T",100,"deg F",null,null,{"$f":"CvL_T(B70)","v":0.97523713984845961},"btu/(lb F)","Saturated liquid isochoric heat capacity"]
[" Cv_pT",1,"psi",100,"deg F",{"$f":"Cv_pT(B71,D71)","v":0.97523690155523191},"btu/(lb F)","Specific isochoric heat capacity as a function of pressure and temperature."]
[" Cv_ph",100,"psi",200,"btu/lb",{"$f":"Cv_ph(B72,D72)","v":0.88674221718338608},"btu/(lb F)","Specific isochoric heat capacity as a function of pressure and enthalpy"]
[" Cv_ps",100,"psi",{"$f":"D65","v":0.18512524760110738},"btu/(lb F)",{"$f":"Cv_ps(B73,D73)","v":0.95412073194367009},"btu/(lb F)","Specific isochoric heat capacity as a function of pressure and entropy."]
["Speed of sound "]
[" wV_p",1,"psi",null,null,{"$f":"wV_p(B75)","v":1430.0233443387121},"ft/s","Saturated vapour speed of sound"]
[" wL_p",1,"psi",null,null,{"$f":"wL_p(B76)","v":5016.1265905500759},"ft/s","Saturated liquid speed of sound"]
[" wV_T",100,"deg F",null,null,{"$f":"wV_T(B77)","v":1427.980732399066},"ft/s","Saturated vapour speed of sound"]
[" wL_T",100,"deg F",null,null,{"$f":"wL_T(B78)","v":5010.5240656699543},"ft/s","Saturated liquid speed of sound"]
[" w_pT",1,"psi",100,"deg F",{"$f":"w_pT(B79,D79)","v":5010.5258732811444},"ft/s","Speed of sound as a function of pressure and temperature."]
[" w_ph",100,"psi",100,"btu/lb",{"$f":"w_ph(B80,D80)","v":5090.5177966055244},"ft/s","Speed of sound as a function of pressure and enthalpy"]
[" w_ps",100,"psi",{"$f":"D73","v":0.18512524760110738},"btu/(lb F)",{"$f":"w_ps(B81,D81)","v":5090.9193656722355},"ft/s","Speed of sound as a function of pressure and entropy."]
["Dynamic Viscosity"]
["Viscosity is not part of IAPWS Steam IF97. Equations from \"\"Revised Release on the IAPWS Formulation 1985 for the Viscosity of Ordinary Water Substance\"\", 2003 are used."]
["Viscosity in the mixed region (4) is interpolated according to the density. This is not true since it will be two fases."]
[" my_pT",1,"psi",100,"deg F",{"$f":"my_pT(B85,D85)","v":1.6478178107529025},"lb/ft/hr","Viscosity as a function of pressure and temperature."]
[" my_ph",100,"psi",100,"btu/lb",{"$f":"my_ph(B86,D86)","v":1.2111188734075722},"lb/ft/hr","Viscosity as a function of pressure and enthalpy"]
[" my_ps",100,"psi",{"$f":"D81","v":0.18512524760110738},"btu/(lb F)",{"$f":"my_ps(B87,D87)","v":1.2081795712174075},"lb/ft/hr","Viscosity as a function of pressure and entropy."]
["Prandtl"]
["Calcualted as Cp*my/tc"]
[" pr_pT",1,"psi",200,"deg F",{"$f":"pr_pT(B90,D90)","v":0.97012024380540329},"-"]
[" pr_ph",1,"psi",0.19,"btu/lb",{"$f":"pr_ph(B91,D91)","v":13.405629376747422},"-"]
["Thermal Conductivity"]
["Revised release on the IAPS Formulation 1985 for the Thermal Conductivity of ordinary water substance (IAPWS 1998)"]
[" tcL_p",1,"psi",null,null,{"$f":"tcL_p(B94)","v":0.36222613868369979},"btu/(h*ft*F)","Saturated vapour thermal conductivity"]
[" tcV_p",1,"psi",null,null,{"$f":"tcV_p(B95)","v":1.1197748930408077E-2},"btu/(h*ft*F)","Saturated liquid thermal conductivity"]
[" tcL_T",50,"deg F",null,null,{"$f":"tcL_T(B96)","v":0.33622668208052353},"btu/(h*ft*F)","Saturated vapour thermal conductivity"]
[" tcV_T",50,"deg F",null,null,{"$f":"tcV_T(B97)","v":9.9463765547369021E-3},"btu/(h*ft*F)","Saturated liquid thermal conductivity"]
[" tc_pT",1,"psi",50,"deg F",{"$f":"tc_pt(B98,D98)","v":0.33622852115403534},"btu/(h*ft*F)","Thermal conductivity as a function of pressure and temperature."]
[" tc_ph",1,"psi",100,"btu/(lb F)",{"$f":"tc_ph(B99,D99)","v":2.0136752000970422E-2},"btu/(h*ft*F)","Thermal conductivity as a function of pressure and enthalpy"]
[" tc_hs",100,"btu/lb",{"$f":"D73","v":0.18512524760110738},"btu/(lb F)",{"$f":"tc_hs(B100,D100)","v":0.37348196102713527},"btu/(h*ft*F)","Thermal conductivity as a function of enthalpy and entropy"]
["Surface Tension"]
["IAPWS Release on Surface Tension of Ordinary Water Substance, September 1994"]
[" st_T",100,"deg F",null,null,{"$f":"st_T(B104)","v":5.3422775305155355E-3},"lb/ft","Surface tension for two phase water/steam as a function of T"]
[" st_p",1,"psi",null,null,{"$f":"st_p(B104)","v":4.7830973201098753E-3},"lb/ft","Surface tension for two phase water/steam as a function of T"]
["Vapour fraction"]
[" x_ph",1,"psi",1000,"btu/lb",{"$f":"x_ph(B106,D106)","v":0.89819618742791218},null,"Vapour fraction as a function of pressure and enthalpy"]
[" x_ps",1,"psi",4,"btu/(lb F)",{"$f":"x_ps(B107,D107)","v":1},null,"Vapour fraction as a function of pressure and entropy."]
["Vapour Volume Fraction"]
["Observe that vapour volume fraction is very sensitive. Vapour volume is about 1000 times greater than liquid volume and therfore vapour volume fraction"]
["gets close to the accurancy of steam IF-97"]
[" vx_ph",1,"psi",418,"btu/lb",{"$f":"vx_ph(B111,D111)","v":0.99990450365888783},null,"Vapour volume fraction as a function of pressure and enthalpy"]
[" vx_ps",1,"psi",4,"btu/(lb F)",{"$f":"vx_ps(B112,D112)","v":1},null,"Vapour volume fraction as a function of pressure and entropy."]
[]
["Version history"]
["News in V2.6"]
["* Error in valid region for function tc_ptrho"]
["* Error in function h3_pt for temperatures near the saturation point."]
["News in V2.5"]
["* DLL distrubution for use in other applications"]
["* Freebasic translation"]
["* Fixed small error in Cv Region 5 p>1000bar"]
["News in V2.4a"]
["Fixed unit conversion in T_ps region4 (No effekt for SI units.)"]
["News in V2.4"]
["* TODO!!! Check Cv in region 5"]
["* ToDO!!! Tc och my not def. In region 4"]
["* OpenOffice version introduced. (Fixed calculation differences in open office and excel)"]
["* Matlab error giving varaible undefined in some backwards solutions fixed."]
["News in V2.3"]
["* Option Explicit, gives more efficient calculations."]
["* Extensive testing"]
["* my_ph not defined in region 4."]
["* Problems at region border for h4V_p to adress solver problems at the exact border."]
["* Problem at fast border check in region_ph fixed."]
["News in V2.2"]
["* Extensive testing"]
["* Fixed error in Cp_ph"]
["* Function p_hrho added. (Very good for calcualting pressure when heating a volume with water/steam mixture.)"]
["* Fixed error in T_hs return no value for vet region bellow the water saturation line."]
["* Prandtl number added"]
["News in V2.1"]
["* Calling function h_prho"]
["* Fixed problem with Cv reporting NaN in region 5."]
["* Equivivalent to the Matlab version. (Downloadable from www.x-eng.com)"]
["News in V2"]
["* Calling functions of h and s added."]
["* Thermal conductivity, Surface tension added"]
["* Calling functions h_px and h_tx added."]
["* Cp, Cv and w undefined in the mixed region. (Before interpolation with the vapor fraction was used.)"]
["* A work sheet \"\"Properties\"\" for simple lookups added."]
["* Cp, Cv and w undefined in the mixed region. (Before interpolation with the vapor fraction was used.)"]
["* A work sheet \"Properties\" for simple lookups added."]