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Full Description
Aircraft Engines and Gas Turbines is widely used as a text in the United States and abroad, and has also become a standard reference for professionals in the aircraft engine industry. Unique in treating the engine as a complete system at increasing levels of sophistication, it covers all types of modern aircraft engines, including turbojets, turbofans, and turboprops, and also discusses hypersonic propulsion systems of the future. Performance is described in terms of the fluid dynamic and thermodynamic limits on the behavior of the principal components: inlets, compressors, combustors, turbines, and nozzles. Environmental factors such as atmospheric pollution and noise are treated along with performance. This new edition has been substantially revised to include more complete and up-to-date coverage of compressors, turbines, and combustion systems, and to introduce current research directions. The discussion of high-bypass turbofans has been expanded in keeping with their great commercial importance. Propulsion for civil supersonic transports is taken up in the current context. The chapter on hypersonic air breathing engines has been expanded to reflect interest in the use of scramjets to power the National Aerospace Plane. The discussion of exhaust emissions and noise and associated regulatory structures have been updated and there are many corrections and clarifications.
Contents
Part 1 Introduction to conceptsefficiency; specific impulse and range; ramjets; turbojets; turbofans; turboprops and other shaft engines - regeneration; stationary gas turbines - topping; energy exchange, Mach number, and Reynolds number; stresses; noise; thrust and drag; fuels and propellants; some engines in cutaway. Part 2 Ideal cycle analysis - trends: stagnation temperature and pressure; the ramjet; the turbojet; the afterburning turbojet; the turbofan; the afterburning turbofan; the turboprop; thrust lapse; cooling cycles; the regenerative gas turbine; gas turbines for topping; the importance of turbine inlet temperature. Part 3 Cycle analysis with losses: variation in gas properties; diffuser pressure recovery; compressor and turbine efficiencies; burner efficiency and pressure loss; imperfect expansion loss; heat exchanger effectivness and pressure loss; turbojet with losses; turbofan with losses; regenerated gas turbine with losses; combined gas turbine-steam cycles with losses. Part 4 Nonrotating components: topics in gas dynamics; diffusers; exhaust nozzles; combustors and afterburners. Part 5 Compressors and fans: energy exchange, rotor to fluid; compressor geometry and the flow pattern; design choices based on blade section performance; details of flow in transonic compressors; stage performance - corrected parameters; multi-stage compressors; compressor and compression system stability; centrifugal compressors; supersonic-throughflow fan. Part 6 Turbines: turbine stage characteristics; turbine blading; turbine cooling; turbine design systems; turbine similarity. Part 7 Engine structures: centrifugal stresses; gas bending loads on blades; thermal stresses; critical speeds and vibration; blade flutter; bearings; engine arrangement and static structure. Part 8 Component matching and engine performance: compressor-turbine matching - the gas generator; matching the gas generator and the nozzle; multi-spool matching; engine-inlet matching and distortion; overall performance; control and acceleration. Part 9 Aircraft engine noise: noise sources - unsteady flow; jet noise; turbomachinery noise; noise measurement and rules. Part 10 Hypersonic engines: hypersonic inlets; heat addition in high-speed flow; heat release due to chemical reactions; nozzle flow; fuel injection and mixing; quantitative discussion of scramjet performance; cooling the scramjet; the air turborocket; the liquid-air collection engine. Part 11 Propulsion systems analysis: takeoff; climb and acceleration; cruise; maneuvering.
