Aircraft Propulsion and Gas Turbine Engines by Ahmed F. El-Sayed

By Ahmed F. El-Sayed

The escalating use of airplane within the 21st century calls for a radical figuring out of engine propulsion suggestions, together with the functionality of aero engines. between different severe activities,gas generators play an intensive position in electrical energy iteration, and marine propulsion for naval vessels and load ships.

In the main exhaustive quantity so far, this article examines the basis of airplane propulsion: aerodynamics interwoven with thermodynamics, warmth move, and mechanical layout. With a finely concentrated technique, the writer devotes every one bankruptcy to a specific engine sort, resembling ramjet and pulsejet, turbojet, and turbofan. Supported by means of genuine case reviews, he illustrates engine functionality below numerous working stipulations.

Part I discusses the historical past, classifications, and function of air respiring engines. starting with Leonardo and carrying on with directly to the emergence of the jet age and past, this part chronicles innovations up during the 20th century. It then strikes right into a designated dialogue of other engine kinds, together with pulsejet, ramjet, unmarried- and multi-spool turbojet, and turbofan in either subsonic and supersonic purposes.

The writer discusses Vertical Take Off and touchdown airplane, and offers a accomplished exam of hypersonic scramjet and faster ramjet engines. He additionally analyzes the differing kinds of business gasoline generators having single-and multi-spool with intercoolers, regenerators, and reheaters.

Part II investigates the layout of rotating compressors and generators, and non-rotating parts, intakes, combustion chambers, and nozzles for all sleek jet propulsion and fuel turbine engine structures, in addition to their functionality. each bankruptcy concludes with illustrative examples by means of a difficulties part; for better readability, a few supply an inventory of significant mathematical kin.

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Approximate rule for section module . . . . . . . . . . . . . . . . . . . . . . . . . . Cooling methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Development of high-pressure turbine cooling. . . . . . . . . . . . . . . . . . . . . Cooled high-pressure turbine stage . . . . . . . . . . . . . . . . .

Nozzle map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Turbine inlet and outlet temperature and exhaust temperature versus the engine speed percentage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Specific thrust and exhaust speed versus engine speed percentage . . . . . . . . . . 787 790 791 792 794 796 799 801 801 802 802 802 803 806 814 815 815 823 823 829 829 830 834 834 835 836 836 838 838 839 839 842 843 843 845 846 848 850 Preface Aircraft engine represents the heart of an aircraft exactly as the heart of a human being.

Nomenclature of disc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Stresses on outer and inner rims of disc . . . . . . . . . . . . . . . . . . . . . . . . . Gas bending stress . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Approximate rule for section module . . . . . . . . . . . . . . . . . . . . . . . .

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