목차

CHAPTER 1 INTRODUCTION 1
1.1. Research background 1
1.2. Research purpose and contribution 9
CHAPTER 2 ANALYSIS PROGRAM 12
2.1. Overview 12
2.2. Physical model of gas turbines 14
2.2.1. Properties 14
2.2.2. Pressure drop 17
2.2.3. Compressor 17
2.2.4. Combustor 20
2.2.5. Turbine 22
2.2.6. Net performance 23
2.3. Functions of analysis program 24
2.3.1. Design analysis 25
2.3.2. Analysis of measured performance 27
2.3.3. Analysis of expected performance 29
2.3.4. Turbine inlet temperature modification 30
2.4. Validation 35
2.5. Summary and conclusion 40
CHAPTER 3 PERFORMANCE DIAGNOSTICS LOGIC IN CONSIDERATION OF OVER-FIRING 42
3.1. Introduction 42
3.2. Performance diagnostics 47
3.3. Analysis 51
3.4. Results and discussion 55
3.4.1. Analysis of measured, expected and corrected performance 55
3.4.2. Turbine inlet temperature modification 62
3.5. Summary and conclusion 65
CHAPTER 4 ANALYSIS OF OPERATING CHARACTERISTICS OF GAS TURBINE ACCORDING TO CHANGE IN IGV ANGLE 67
4.1. Introduction 67
4.2. System modeling 73
4.2.1. Overview 73
4.2.2. Compressor performance map 73
4.3. Analysis method 76
4.3.1. Outline 76
4.3.2. Procedure of analysis method 77
4.3.2.1 Step 1: Analysis of SFfouling using full load data 79
4.3.2.2 Step 2: Analysis of SFIGV using partial load data 81
4.3.3. Data selection 83
4.4. Results and discussion 84
4.4.1. Step 1 : Variations in SFfouling during full load operation 84
4.4.2. Step 2 : Variations in SFIGV according to IGV angle 88
4.5. Summary and conclusions 91
CHAPTER 5 APPLICATION OF PERFORMANCE DIAGNOSTICS LOGIC TO LONG-TERM OPERATING DATA 94
5.1. Overview 94
5.2. Analysis 94
5.2.1. Performance diagnostics procedure 94
5.2.2. Operating data selection 98
5.3. Results and discussion 101
5.4. Summary and conclusion 103
CHAPTER 6 CONCLUSION 105
6.1. Summary 105
6.2. Concluding remark 107
6.3. Future work 107
REFERENCE 109