S9086-Hc-Stm-000/Ch-234
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S9086-HC-STM-000/CH-234 0901-LP-234-0000 S9086-HC-STM-003 NAVAL SHIPS' TECHNICAL MANUAL CHAPTER 234 MARINE GAS TURBINES DISTRIBUTION STATEMENT D: DISTRIBUTION AUTHORIZED TO DOD AND DOD CONTRACTORS ONLY; (CRITICAL TECHNOLOGY) (DATE OF PUBLICATION). OTHER REQUESTS SHALL BE REFERRED TO COMNAVSEA (SEA-90B2). WARNING: THIS DOCUMENT CONTAINS TECHNICAL DATA WHOSE EXPORT IS RESTRICTED BY THE ARMS EXPORT CONTROL ACT (TITLE 22, U.S.C. SEC. 2751 ET. SEQ.) OR EXECUTIVE ORDER 12470. VIOLATIONS OF THESE EXPORT LAWS ARE SUBJECT TO SEVERE CRIMINAL PENALTIES. DESTRUCTION NOTICE: DESTROY BY ANY METHOD THAT WILL PREVENT DISCLOSURE OF CONTENTS OR RECONSTRUCTION OF THE DOCUMENT. SUPERSEDES CHAPTER 9416 OF SEPTEMBER 1967 PUBLISHED BY DIRECTION OF COMMANDER, NAVAL SEA SYSTEMS COMMAND 1 MARCH 1981 CHANGE 3 15 AUGUST 1988 Digital Database S9086-HC-STM-000/CH-234 Complete thru Change 3 LIST OF EFFECTIVE PAGES Page Change No. No.* Title andA 3 Recordof Changes 0 i andii 0 iii 1 iv thru v 0 vi 3 vii thru viii 0 1 thru 20 0 21 and21A 1 (21B blank)/22 1 23 and23A 1 (23B blank)/24 0 25 and25A 1 (25B blank)/26 0 27 and27A 1 (27B blank)/28 0 29 thru 54 0 55 2 56 and57 3 58 2 59 3 60 2 61 thru 62AA 3 62AB 2 63 thru 68 0 69/(70 blank) 0 *Zero in this column indicates an original page. NOTICE TO ALL HOLDERS OF NSTM CHAPTERS This revision or change to the chapter has been publishedandprintedelectronically from a digitizeddatabase file. The database file is maintained with the current change status for each chapter. Each new or replacement page contains these words in the header - DIGITAL DATABASE. If the manual has been revisedor changedsince its original issue, the Revision andChange Number at the time the manual was enteredinto the databasewill also be included in the header. The initial digital database issue will not show change bars or change number footers, since all previous revisions andformal changes have been incorporatedinto the database.For future changes, the change bars andchange number footers will be included on all new or replacement pages of the change package. A RECORD OF CHANGES ACN/Formal DATE *CHANGE ENTERED OF ** ACN NO TITLE OR BRIEF DESCRIPTION BY CHANGE * When a formal change supersedes an ACN, draw a line through the ACN number ** Only message or letter reference need be cited for ACNs Digital Database S9086-HC-STM-000/CH-234 Complete thru Change 3 RECORD OF CHANGES ACN/Formal DATE *CHANGE ENTERED OF ** ACN NO TITLE OR BRIEF DESCRIPTION BY CHANGE * When a formal change supersedes an ACN, draw a line through the ACN number ** Only message or letter reference need be cited for ACNs Digital Database S9086-HC-STM-000/CH-234 Complete thru Change 3 i Digital DatabaseS9086-HC-STM-000/CH-234 Change3 Completethru TABLE OF CONTENTS CHAPTER 234 MARINE GAS TURBINES Paragraph Page SECTION 1 INTRODUCTION 234-1.1 GENERAL.............................................................. 1 234-1.6 ENGINE OPERATING DESCRIPTION.................................... 1 234-1.12 INLETSECTION........................................................ 2 234-1.16 GAS GENERATOR...................................................... 2 234-1.20 COMPRESSOR.................................................... 2 234-1.21 Axial Flow Compressor......................................... 3 234-1.23 Radial Flow Compressor........................................ 3 234-1.25 Combination Axial-Radial Compressors.......................... 4 234-1.26 COMBUSTION SECTION........................................... 4 234-1.29 Can Type Combustor........................................... 4 234-1.31 Annular Type Combustor........................................ 4 234-1.35 Can-Annular Type Combustor................................... 5 234-1.38 FUEL NOZZLES................................................... 5 234-1.42 IGNITERS......................................................... 6 234-1.45 GAS GENERATOR TURBINE....................................... 6 234-1.50 POWER TURBINE................................................. 7 234-1.52 EXHAUSTSECTION............................................... 7 234-1.53 DESIGNATION OF GAS TURBINE ENGINES............................. 7 234-1.55 COUPLED TURBINE............................................... 7 234-1.57 FREE TURBINE................................................... 8 234-1.58 SINGLE-SPOOL GAS GENERATOR................................ 8 234-1.59 MULTISPOOL GAS GENERATOR................................... 8 234-1.60 STATION DESIGNATIONS............................................... 9 234-1.65 PERFORMANCE PARAMETERS........................................ 10 234-1.66 NOMENCLATURE................................................ 10 234-1.67 PERFORMANCE TREND ANALYSIS............................... 10 234-1.68 Ratings...................................................... 10 234-1.70 Standard Condition............................................ 10 SECTION 2 OPERATION 234-2.1 STARTING PROCEDURE............................................... 15 234-2.3 AUXILIARY SYSTEM CHECKS.................................... 15 234-2.5 AUTOMATIC START SEQUENCES................................. 15 234-2.6 MANUAL START SEQUENCE...................................... 15 234-2.8 ABNORMAL STARTS.............................................. 16 234-2.9 Hot Start.................................................... 16 234-2.11 Hung Start................................................... 16 234-2.12 STOP PROCEDURES................................................... 16 234-2.13 AUTOMATIC STOP SEQUENCES.................................. 16 234-2.14 NORMAL MANUAL SHUTDOWN.................................. 17 234-2.16 WATERWASH AFTER SHUTDOWN................................ 17 234-2.18 EMERGENCY SHUTDOWN............................................ 17 ii Digital Database S9086-HC-STM-000/CH-234 Complete thru Change 3 TABLE OF CONTENTS - (Continued) Paragraph Page 234-2.19 MANUAL SHUTDOWN............................................ 17 234-2.21 AUTOMATIC SHUTDOWNS....................................... 17 234-2.22 Overspeed Trip............................................... 17 234-2.23 Vibration Trip................................................ 17 234-2.24 Low Lube Oil Trip............................................. 18 234-2.25 NORMAL OPERATION................................................. 18 234-2.29 OPERATIONAL LIMITS AND OVERRIDES.............................. 18 234-2.31 OPERATING LIMITS.............................................. 18 234-2.32 Temperature................................................. 18 234-2.33 Rotating Speeds.............................................. 18 234-2.34 Normal and Emergency Ratings................................. 18 234-2.35 Low-Power Operation........................................ 18 234-2.37 Vibration Limits.............................................. 19 234-2.39 Torque...................................................... 19 234-2.40 OVERRIDES..................................................... 19 SECTION 3 SUPPORT SYSTEMS 234-3.1 CONTROL AND INSTRUMENTATION.................................. 20 234-3.2 CONTROLS...................................................... 20 234-3.5 INSTRUMENTATION............................................. 20 234-3.7 FUEL OIL SYSTEM.................................................... 21 234-3.8 FUEL SPECIFICATION............................................ 21 234-3.14 SYSTEM DESCRIPTION........................................... 22 234-3.20 FUEL CONTAMINATION.......................................... 24 234-3.23 Rust and Scale................................................ 24 234-3.24 Water....................................................... 24 234-3.29 Oil-Soluble Soaps............................................ 26 234-3.30 Microbe Growth.............................................. 26 234-3.32 FUEL OIL SAMPLING............................................. 26 234-3.36 FUEL OIL STRAINERS............................................ 26 234-3.38 Duplex Strainer............................................... 26 234-3.39 Simplex Strainer.............................................. 26 234-3.40 FUEL OIL FILTERS............................................... 26 234-3.44 LUBRICATING OIL SYSTEM........................................... 27 234-3.45 GENERAL........................................................ 27 234-3.46 OIL SPECIFICATIONS............................................. 27 234-3.47 SYSTEM FEATURES.............................................. 27 234-3.48 Oil Sump.................................................... 27 234-3.51 Oil Cooling System............................................ 27 234-3.56 Venting...................................................... 28 234-3.57 Lubricating Oil Filters......................................... 28 234-3.59 Lubricating Oil Strainers....................................... 30 234-3.63 Changing Oil................................................. 30 234-3.64 Inspection................................................... 30 234-3.68 STARTER SYSTEM..................................................... 31 234-3.71 PNEUMATIC STARTER........................................... 31 234-3.73 HYDRAULIC STARTER........................................... 32 234-3.74 ELECTROHYDRAULIC STARTER................................. 32 234-3.76 ELECTRIC STARTER............................................. 32 234-3.78 INLET AIR SYSTEM................................................... 32 234-3.79 GENERAL.......................................................