CHAPTER 2

 

           CONTENTS OF THESIS

 

CHAPTER

1.       INTRODUCTION................................................................................... 1

1.1        The Objectives of the Thesis…………………………................. 1

1.2        Literature Survey........................................................................... 3

1.2.1       Simulation.......................................................................... 3

1.2.2       Thermoeconomy and Thermoeconomic Optimization........ 5

1.3        Outline of Thesis............................................................................ 8

2.        ENGINE COMPONENT PERFORMANCE AND

         JET ENGINE SIMULATION.................................................................. 9

2.1        Introduction.................................................................................... 9

2.1.1       Sources of Information....................................................... 9

2.1.2       F110-GE-100 Turbofan Engine....................................... 10

2.2        Zero Level Simulation Technique................................................ 10

2.2.1       Application of Tuning Procedure..................................... 14

2.2.2       Application of Tuning Procedure for

            Other Power  Settings...................................................... 20


2.3        Determination of Changes in Efficiencies

          for Engine Components............................................................... 23

2.4        Determination of Component Performance Maps......................... 28

2.4.1       Application of the Stated Method to

            F110-GE-100 Turbofan Engine....................................... 29

2.4.1.1      Compressor Pressure Rise Maps....................... 29

2.4.1.2      Compressor Efficiency Maps............................ 31

2.4.1.3      Turbine Flow Maps........................................... 32

2.4.1.4      Turbine Efficiency Maps................................... 35

2.5        Flight Simulation.......................................................................... 36

2.5.1       Component Matching....................................................... 37

2.5.2       Determination of Data for Engine Health Monitoring...... 39

2.6        Results......................................................................................... 42

3.        ADAPTATION OF SIMULATION PROCEDURE FOR

         J-79 TURBOJET ENGINE.................................................................... 55

3.1        Introduction.................................................................................. 55

3.1.1       J-79 Turbojet Engine....................................................... 55

3.2        Zero Level Simulation of J-79 Engine......................................... 56

3.3        Determination of Component Performance Maps......................... 56

3.3.1       Compressor Maps............................................................ 58

3.3.2       Turbine Maps.................................................................. 61

3.4        Performance Maps by Stage Stacking.......................................... 62

3.4.1       Methodology of Stage Stacking........................................ 64

3.4.2       Application of Stage Stacking for Present Study.............. 66

3.5        Results......................................................................................... 66

4.     THERMOECONOMICS AND

      THERMOECONOMIC OPTIMIZATION................................................ 72

4.1        Introduction.................................................................................. 72

4.2        Thermoeconomic Optimization.................................................... 73

4.2.1       Basic Features of GAMS................................................. 73

4.2.2       Definition and Optimization of CGAM Problem............. 75

4.2.3       Comparison of the Optimization Results.......................... 77

5.     ANALYSIS OF THE SYSTEMS PROPOSED FOR

      UTILIZATION OF J-79 TURBOJET ENGINES...................................... 81

5.1        Introduction.................................................................................. 81

5.2        Overview of Possible Structures................................................. 82

5.2.1       High-Power System......................................................... 82

5.2.2       Combine Power Plant with Cogeneration........................ 83

5.2.3       Medium-Power System.................................................... 83

5.2.4       Low-Power System......................................................... 85

5.3        Thermoeconomic Optimization of J-79 Based

         Power Generation System............................................................ 85

5.3.1       Exergoeconomic Analysis............................................... 86

5.3.2       Thermoeconomic Optimization of High Power System .. 86

5.4        Results......................................................................................... 90

6.     RESULTS AND CONCLUSION.............................................................. 95

LIST OF REFERENCES.......................................................................................... 98

APPENDICES

A            SIMULATION PROCEDURE............................................................. 101

B            BASIC PRINCIPLES OF THERMOECONOMICS AND 

          THERMOECONOMIC OPTIMIZATION.......................................... 130

C            DETERMINATION OF JET ENGINE COMPONENT

         PERFORMANCE MAPS.................................................................... 154

D            DETAILS OF PRELIMINARY CALCULATIONS ON J-79

         BASED COGENERATION SYSTEM................................................ 160

E            FEATURES OF SNOPT SOLVER OF GAMS................................... 171

F             EQUATIONS OF CGAM PROBLEM................................................ 173

G            DETERMINATION OF CHANGES IN POLYTROPIC

EFFICIENCIES................................................................................... 180