Turbo Machinery Dynamics Part 1 potx

[...]...CONTENTS 12 .6 12 .7 12 .8 12 .9 12 .10 12 .11 12 .12 12 .13 Brazing for Joining Nickel-Based and Cobalt-Based Components / 490 Laser Welding Techniques / 493 Generating a Five-Axis Cutter Path / 495 Machining Methods and Impeller Performance... engine’s compression ratio by 10 to 15 percent when compared with 12 APPLICATIONS the normally aspirated procedure Diesel engines with direct fuel injection may see the compression ratio deteriorate from 16 :1 without supercharging to 15 :1 when lightly turbocharged and to 14 :1 for moderate charging The level of compression in the radial stage varies with the centrifugal force imparted to the charge, increasing... bombers played a pivotal role in the war machinery of both sides On August 27, 19 39, four days before the start of the Second World War, the first jet airplane took off in Germany to begin a new era in aviation Lasting a mere 6 min, the Heinkel He -17 8 aircraft reached a top speed FIGURE 1. 1 Turboprop engine design 19 44 ADVANCED TURBINE TECHNOLOGY 7 of 400 mph, nearly 10 0 mph faster than conventional piston... methods Since the design features of a turbomachinery and its parts play such an overwhelming role in establishing the dynamic behavior of the components, module, or assembly during operation, a close correlation has been maintained throughout the book between the design and dynamics disciplines The first chapter of Part 1 provides some historical insights about turbo- machines, outstanding characteristics... turbines, and more generally “turbomachinery,” emerged in the wake of early electrification In 18 67 Werner von Siemens presented the first dynamo after the discovery of the principle of electrodynamics In 18 79 Thomas A Edison invented the light bulb, which eventually led to the creation of the powerful General Electric Company in 18 95 to manufacture power generation equipment More than 10 0 years ago engineers... Operating Instruction 200), May, 19 74 (revised) Rangwala, A S., Reciprocating Machinery Dynamics Design and Analysis,” Marcel Dekker, New York, 20 01 Rao, J S., Mechanical Vibration, Addison-Wesley, Reading, Mass., 19 90 Saravananamuttoo, H I H., Rogers, G F C., and Cohen, H., Gas Turbine Theory, Prentice Hall, Harlow, England, 20 01 Schlichting, H., Boundary Layer Theory, McGraw-Hill, 19 60 This page intentionally... into three parts The first part focuses on the many different applications and forms of turbine engines and their special characteristics and operating features The five chapters in this part look into the salient features of compressor, turbine, and combustor components for various applications of turbo- machines The second part investigates the design aspects of the major components The third part discusses... Wash., 19 89 Cumpsty, N A., Compressor Aerodynamics, Longmans, 19 89 Douglas Aircraft Company, “Study of high speed civil transport,” NASA Contractor Report # 4235, Long Beach, Calif., 19 89 Heisler, H., Advanced Engine Technology, SAE International, Warrandale, Pa., 19 95 Hunecke, K., Jet Engines—Fundamentals of Theory, Design and Operation, Motorbooks International Publishers, Osceola, Wis., 19 97 International... International Civil Aviation Organization (ICAO), Ann 16 , Vol II, 19 81 Kerrebrock, J L., Aircraft Engines and Gas Turbines, 2d ed., MIT Press, Cambridge, Mass., 19 92 Langston, L., “Electrically charged,” Mechanical Engineering, pp 50–52, June 2002 Lefebvre, A H., Gas Turbine Combustion, Taylor & Francis, Philadelphia, Pa., 19 99 ADVANCED TURBINE TECHNOLOGY 13 Pratt & Whitney Aircraft, The Aircraft Gas Turbine... Superalloys / 503 Curvic Coupling for Turbine Rotor / 507 Vapor Deposition of Thermal Barrier Coating / 509 Vacuum-Plasma-Sprayed Coatings / 511 References / 515 Bibliography / 516 Index 517 ix This page intentionally left blank FOREWORD Dynamic analysis of rotating machinery has come a long way since Professor Stephen Timoshenko considered the case of a uniform shaft with a disk at each end in his first . Bearings / 399 10 .10 . Impact of Flexible Support / 405 10 .11 . Seals and Dampers / 409 10 .12 . Labyrinth and Honeycomb Seal Evaluation / 412 10 .13 . Damping Seal Dynamic Characteristics / 415 10 .14 . Squeeze. 452 11 .9. Protective and Thermal Barrier Coats / 453 11 .10 . Fracture Mechanism of Coats / 458 11 .11 . Fiber-Reinforced Ceramics for Combustor Liner / 465 11 .12 . Ceramic Components in MS90 01 Engine. Blade Vibrations / 18 1 6 .13 . Swept Fan Blade / 18 6 6 .14 . Design of Axial Compressor / 19 0 6 .15 . Increased Power by Zero Staging / 19 3 6 .16 . Prediction of Forced Response / 19 7 6 .17 . Random Blade