Update of /cvsroot/gcblue/gcb_wx/include/database
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv5373/include/database
Modified Files:
tcAirDBObject.h
Log Message:
Modified air model to use thrust factor vs. altitude and fuel efficiency vs. alt tables
Index: tcAirDBObject.h
===================================================================
RCS file: /cvsroot/gcblue/gcb_wx/include/database/tcAirDBObject.h,v
retrieving revision 1.11
retrieving revision 1.12
diff -C2 -d -r1.11 -r1.12
*** tcAirDBObject.h 26 May 2005 11:53:37 -0000 1.11
--- tcAirDBObject.h 27 May 2005 00:28:04 -0000 1.12
***************
*** 1,4 ****
! /*
! ** Copyright (C) 2003 Dewitt Colclough (de...@tw...)
** All rights reserved.
--- 1,6 ----
! /**
! ** @file tcAirDBObject.h
! */
! /* Copyright (C) 2003-2005 Dewitt Colclough (de...@tw...)
** All rights reserved.
***************
*** 50,64 ****
{
public:
- float zeroThrustAltitude_m; ///< [m] altitude where thrust falls to zero with parametric model
float mfAfterburnFuelRate_kgps; ///< [kg/s] with afterburners
float mfAfterburnThrust_N; ///< [N] afterburners engine thrust
! float mfDragArea_sm; ///< equivalent flat plate area for parasitic drag
! float mfWingArea_sm; ///< wing (lift) area
! float mfCdpsub; ///< parasitic drag coeff, subsonic, modifies flat plate drag area
! float mfCdptran; ///< transonic
! float mfCdpsup; ///< supersonic
float mfMcm; ///< critical mach number
float mfMsupm; ///< supersonic mach number
! float mfKdi; ///< constant for simplified induced drag model
float stallSpeed_mps; ///< [m/s] stall speed at sea level
float mfGmax; ///< max Gs
--- 52,63 ----
{
public:
float mfAfterburnFuelRate_kgps; ///< [kg/s] with afterburners
float mfAfterburnThrust_N; ///< [N] afterburners engine thrust
! float mfCdpsub; ///< parasitic "flat plate" drag area, subsonic
! float mfCdptran; ///< transonic drag area
! float mfCdpsup; ///< supersonic drag area
float mfMcm; ///< critical mach number
float mfMsupm; ///< supersonic mach number
! float mfKdi; ///< constant for induced drag model
float stallSpeed_mps; ///< [m/s] stall speed at sea level
float mfGmax; ///< max Gs
***************
*** 66,70 ****
float GetParasiticDragCoefficient(float vmach) const;
! float GetThrustFactor(float alt_m) const;
virtual const char* GetClassName() {return "Air";} ///< returns class name of database object
--- 65,69 ----
float GetParasiticDragCoefficient(float vmach) const;
! void GetThrustAndEfficiencyFactors(float alt_m, float& thrustFactor, float& fuelEfficienyFactor) const;
virtual const char* GetClassName() {return "Air";} ///< returns class name of database object
***************
*** 85,94 ****
private:
- void CalculateParams();
-
// calculated parameters
float invMachRange; ///< 1 / (width of transonic)
! float thrustDecayFactor;
!
};
--- 84,96 ----
private:
// calculated parameters
float invMachRange; ///< 1 / (width of transonic)
!
! std::vector<float> thrustTable; ///< vector of thrust factor vs. altitude point
! std::vector<float> fuelEfficiencyTable; ///< vector of fuel efficiency vs. altitude point
! static std::vector<float> tableAltitudes; ///< altitudes for thrust and fuel efficiency tables
!
! void CalculateParams();
! static void InitializeTableAltitudes();
};
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