Foreword * Preface * List of Symbols * Introduction * Review of Fundamentals * Rocket Propulsion * Aircraft Gas Turbine Engine * Parametric Cycle Analysis of Ideal Engines * Component Performance * Parametric Cycle Analysis of Real Engines * Engine Performance Analysis * Turbomachinery * Inlets, Nozzles, and Combustion Systems * Appendices * References * Homework Answers * Index.

Elements of propulsion : gas turbines and rockets

Hybrid PSO–SVM-based method for forecasting of the remaining useful life for aircraft engines and evaluation of its reliability

Control of jet engines

A compression intercooled gas turbine and vapor bottoming combined cycle system with the gas turbine operating at 30 to 65 atmospheres is disclosed. A twin spool hot gas generator incorporates compression intercooling at the optimum intercooler pressure ratio to (a) minimize intercooler heat rejection degradation, (b) raise the overall cycle pressure ratio, (c) increase gas generator core mass flow and (d) to increase the gas turbine power output. The gas turbine can operate in either the simple cycle or the reheat cycle mode for optimum combined cycle efficiency. A combined cycle efficiency upwards of 60 percent can be realized.

Compression intercooled gas turbine combined cycle

A method and assembly are effective for air-starting an aircraft gas turbine engine having a fan powered by a low pressure turbine through a first shaft, and a compressor powered by a high pressure turbine through a second shaft disposed coaxially therewith. A gear train is selectively operatively joined between the first and second shafts by selectively engaging a first clutch for transmitting torque through the first clutch only in one direction from the first shaft to the second shaft when the fan is windmilling for driving the second shaft to allow an air-start of the gas turbine engine during flight. In a preferred embodiment, a second clutch is operatively joined to the gear train and is selectively engageable at speeds of the second shaft below a predetermined release speed, and disengageable at the release speed and above for disconnecting the air-start assembly once the engine has been started.

Air-start assembly and method

Aircraft Gas Turbine Engine Technology provides a comprehensive, easy-to-understand treatment of the background, development, and applications of the gas turbine engine it its various forms, such as turobjet, turbofan, turboprop, and turboshaft powerplants Designed primarily as a resource for technicians preparing for the FAA aircraft powerplant mechanic certification, Aircraft Gas Turbine Engine Technology also may be used a reference The text also discusses the changing maintenance and overhaul procedures and philosophies and the role of fuel metering in engine operation

Aircraft Gas Turbine Engine Technology

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Aircraft Gas Turbine Engine Technology