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feat: Change to new defaults for more practical use. #68

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feat: Change to new defaults for more practical use. #68

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6 changes: 3 additions & 3 deletions OpenHPL/Data.mo
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Original file line number Diff line number Diff line change
Expand Up @@ -5,23 +5,23 @@ record Data "Provides a data set of most common used settings"
annotation (Dialog(enable=false, group = "Constants"));
parameter Real gamma_air = 1.4 "Ratio of heat capacities at constant pressure (C_p) to constant volume (C_v) for air at STP"
annotation (Dialog(enable=false, group = "Constants"));
parameter SI.Pressure p_a = 1.013e5 "Atmospheric pressure"
parameter SI.Pressure p_a = 0 "Default calculation is gauge pressure (set p_a to atmospheric pressure if absolute pressure is required)"
annotation (Dialog(group = "Constants"));
parameter SI.MolarMass M_a = 28.97e-3 "Molar mass of air at STP"
annotation (Dialog(group = "Constants"));
parameter SI.Density rho = 999.65 "Water density at T_0"
annotation (Dialog(group = "Waterway properties"));
parameter SI.DynamicViscosity mu = 1.3076e-3 "Dynamic viscosity of water at T_0"
annotation (Dialog(group = "Waterway properties"));
parameter SI.Height p_eps = 5e-2 "Pipe roughness height"
parameter SI.Height p_eps = 0 "Pipe roughness height (default is smooth pipe)"
annotation (Dialog(group = "Waterway properties"));
parameter SI.Compressibility beta = 4.5e-10 "Water compressibility"
annotation (Dialog(group = "Waterway properties"));
parameter SI.Compressibility beta_total = 1 / (rho*1000^2) "Total compressibility"
annotation (Dialog(group = "Waterway properties"));
parameter Boolean SteadyState=false "If checked, simulation starts in steady state"
annotation (choices(checkBox = true), Dialog(group="Initialization"));
parameter SI.VolumeFlowRate Vdot_0=19.077 "Initial volume flow rate through the system"
parameter SI.VolumeFlowRate Vdot_0 = 0 "Initial volume flow rate through the system"
annotation (Dialog(group="Initialization"));
parameter SI.Frequency f_0 = 50 "Initial system frequency"
annotation (Dialog(group = "Initialization"));
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