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1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2
3  Header:       FGTurbine.h
4  Author:       Jon S. Berndt
5  Date started: 08/23/2002
6
7  ------------- Copyright (C) 2002  Jon S. Berndt (jsb@hal-pc.org) --------------
8
9  This program is free software; you can redistribute it and/or modify it under
10  the terms of the GNU General Public License as published by the Free Software
11  Foundation; either version 2 of the License, or (at your option) any later
12  version.
13
14  This program is distributed in the hope that it will be useful, but WITHOUT
15  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
17  details.
18
19  You should have received a copy of the GNU General Public License along with
20  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21  Place - Suite 330, Boston, MA  02111-1307, USA.
22
23  Further information about the GNU General Public License can also be found on
24  the world wide web at http://www.gnu.org.
25
26 HISTORY
27 --------------------------------------------------------------------------------
28 08/23/2002  JSB  Created
29
30 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
31 COMMENTS, REFERENCES,  and NOTES
32 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
33
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
35 SENTRY
36 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
37
38 #ifndef FGTURBINE_H
39 #define FGTURBINE_H
40
41 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
42 INCLUDES
43 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
44
45 #include <vector>
46 #include "FGEngine.h"
47 #include "FGConfigFile.h"
48 #include "FGCoefficient.h"
49
50 #define ID_TURBINE "$Id$"
51
52 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
53 CLASS DECLARATION
54 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
55
56 namespace JSBSim {
57
58 class FGTurbine : public FGEngine
59 {
60 public:
61   FGTurbine(FGFDMExec* exec, FGConfigFile* Eng_cfg);
62   ~FGTurbine();
63
64   double Calculate(double);
65
66 private:
67   typedef vector<FGCoefficient*> CoeffArray;
68   CoeffArray ThrustTables;
69
70   string name;
71   double MaxMilThrust;
72   double MaxAugThrust;
73   
74   double PowerCommand;
75   
76   double ThrottleToPowerCommand(double throttle);
77   double PowerLag(double actual_power, double power_command);
78   double rtau(double delta_power);
79
80   void doInlet(void);
81   void doCompressor(void);
82   void doBleedDuct(void);
83   void doCombustor(void);
84   void doTurbine(void);
85   void doConvergingNozzle(void);
86
87   void doTransition(void);
88
89   bool Load(FGConfigFile *ENG_cfg);
90
91   void Debug(int from);
92 };
93 }
94 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
95 #endif
96