Gas Turbine Handbook : Principles and Practices

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372 Gas Turbine Handbook: Principles and Practices Appendix C-9 List of Symbols A Area, Ft 2 Btu British thermal unit C Velocity of the air entering the compressor or air and combustion products leaving the turbine, ft per sec CDP Compressor discharge pressure, psia CDT Compressor discharge temperature, °R c p Specific heat at constant pressure, Btu/lb m °F c v Specific heat at constant volume, Btu/lb m °F °E Engler, degrees EGT Exhaust gas temperature, °R g c Acceleration due to gravity, ft/sec 2 h 1 Enthalpy of the fluid entering, Btu/lb m h 2 Enthalpy of the fluid leaving, Btu/lb m h i Enthalpy of the fluid entering, Btu/lb m h o Enthalpy of the fluid leaving, Btu/lb m HP Horsepower Hr Hours J Ratio of work unit to heat unit, 778.2 ft lb f /Btu k Ratio of specific heats, c p /c v KE 1 kinetic energy of the fluid entering, Btu/lb m KE 2 Kinetic energy of the fluid leaving, Btu/lb m kJ Kilojoules kW Kilowatts Mo Mass of a given volume of oil Mw Mass of a given volume of water MW Power output (electric generator) MW Molecular weight N 1 Single spool or low pressure compressor-turbine rotor speed, rpm N 2 Dual spool high pressure compressor-turbine rotor speed, rpm N 3 Power turbine rotor speed, rpm NO x Oxides of nitrogen
Appendix C 373 P 2 P 3 P 4 P 5 P 3 /P 2 P 4 /P 2 P 4 /P 3 P AMB PE 1 PE 2 P i P o cP P PT Ps 3 Ps 4 P t7 Q Compressor inlet pressure, psia Single spool compressor discharge pressure, single spool low pressure compressor discharge pressure, psia Dual spool low pressure compressor discharge pressure, psia Turbine inlet pressure, psia Single spool compressor pressure ratio, dual spool low pressure compressor pressure ratio Dual spool compressor pressure ratio Dual spool high pressure compressor pressure ratio Atmospheric total pressure, psia Potential energy of the fluid entering, Btu/lb m Potential energy of the fluid leaving, Btu/lb m Inlet pressure, psia Discharge pressure, psia Absolute or Dynamic Viscosity, Centipoises Power input to the load device, Btu/sec Low pressure compressor out pressure (static), psig High pressure compressor out pressure (static), psig Exhaust total pressure, psia Volume flow cubic feet per second (CFS) 1 Q 2 Heat transferred to or from the system, Btu/lb m Q m Mechanical bearing losses of the driven equipment, Btu/sec Q m Mechanical bearing losses of the power turbine, Btu/sec Q r Radiation and convection heat loss, Btu/sec R c Compressor pressure ratio R t Turbine pressure ratio secs R.I. Redwood No 1 (UK), seconds cST Kinematic viscosity = Absolute viscosity/density. centistokes SUS Saybolt Universal (USA), seconds T 1DB Dry bulb temperature upstream of the cooler, °R T 2DB Dry bulb temperature downstream of the cooler, °R T 2WB Wet bulb temperature downstream of the cooler, °R T 2 Compressor inlet temperature, °R T 3 Single spool compressor discharge temperature, dual spool low pressure compressor discharge temperature, °R T 4 Dual spool low pressure compressor discharge temperature, °R
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Gas Turbine Handbook: Principles an
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Gas Turbine Handbook: Principles an
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Dedication This book is dedicated t
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Contents PREFACE ..................
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Chapter 13—BOROSCOPE INSPECTION .
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Preface to the Third Edition The ne
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Acknowledgments I wish to thank the
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2 Gas Turbine Handbook: Principles
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Figure 2-3. Courtesy of United Tech
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100 Gas Turbine Handbook: Principle
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Chart 8-1 Gas Turbine Environments
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Appendix A-2 304 Gas Turbine Handbo
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Page 370 and 371: 5. Weather Hood Material __________
Page 372 and 373: Appendix C-6 Air/Oil Cooler Specifi
Page 374 and 375: 9. Drive Requirements A. Hydraulic
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