Systems Of Commercial Turbofan Engines
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Systems Of Commercial Turbofan Engines
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Author : Andreas Linke-Diesinger
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-05-21
Systems Of Commercial Turbofan Engines written by Andreas Linke-Diesinger and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-05-21 with Technology & Engineering categories.
To understand the operation of aircraft gas turbine engines, it is not enough to know the basic operation of a gas turbine. It is also necessary to understand the operation and the design of its auxiliary systems. This book fills that need by providing an introduction to the operating principles underlying systems of modern commercial turbofan engines and bringing readers up to date with the latest technology. It also offers a basic overview of the tubes, lines, and system components installed on a complex turbofan engine. Readers can follow detailed examples that describe engines from different manufacturers. The text is recommended for aircraft engineers and mechanics, aeronautical engineering students, and pilots.
Advanced Control Of Turbofan Engines
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Author : Hanz Richter
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-10-20
Advanced Control Of Turbofan Engines written by Hanz Richter and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-10-20 with Technology & Engineering categories.
Advanced Control of Turbofan Engines describes the operational performance requirements of turbofan (commercial) engines from a controls systems perspective, covering industry-standard methods and research-edge advances. This book allows the reader to design controllers and produce realistic simulations using public-domain software like CMAPSS: Commercial Modular Aero-Propulsion System Simulation, whose versions are released to the public by NASA. The scope of the book is centered on the design of thrust controllers for both steady flight and transient maneuvers. Classical control theory is not dwelled on, but instead an introduction to general undergraduate control techniques is provided. Advanced Control of Turbofan Engines is ideal for graduate students doing research in aircraft engine control and non-aerospace oriented control engineers who need an introduction to the field.
The Jet Engine
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Author : Rolls Royce
language : en
Publisher: John Wiley & Sons
Release Date : 2015-07-20
The Jet Engine written by Rolls Royce and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-20 with Technology & Engineering categories.
The Jet Engine provides a complete, accessible description of the working and underlying principles of the gas turbine. Accessible, non-technical approach explaining the workings of jet engines, for readers of all levels Full colour diagrams, cutaways and photographs throughout Written by RR specialists in all the respective fields Hugely popular and well-reviewed book, originally published in 2005 under Rolls Royce’s own imprint
Influence Of Turbofan Engine Design Parameters On Aircraft Environmental Impact
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Author : Kanghyun Lee
language : en
Publisher:
Release Date : 2023
Influence Of Turbofan Engine Design Parameters On Aircraft Environmental Impact written by Kanghyun Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
Despite the emergence of new energy carriers and propulsion systems architectures, turbofan engines power the majority of commercial aircraft. Therefore, aviation's environmental impacts are significantly influenced by the design of these turbofan engines. Hence, we should drive the design of modern turbofan engines, informed with each design parameter's effect on environmental implications, namely the climate and air quality impacts. To understand the connection between the engine design parameters and an aircraft's environmental impact, it is important to have the capability to quantify the environmental impact resulting from a combined "Aircraft-Engine-Operation" scenario. Through modeling and connecting aircraft, engines, flight operations, emissions, and their resulting impacts on climate and air quality, we can link the end-to-end impact propagation chain and evaluate the outcomes of any engine design alteration. We investigate free design variables such as overall pressure ratio (OPR), fan pressure ratio (FPR), and turbine entry temperature (TET), as well as technology level indicators such as component efficiencies, cooling, and material temperature capability. Sensitivities are calculated for three different reference engines, and the differences in trends between the engines are analyzed. Influence of external-to-aviation uncertainties and valuation choices are also illustrated. Comparison between Jet-A and different sustainable aviation fuels (SAFs) are conducted from an environmental and societal point of view. The study also explores how the derived influence coefficients or sensitivities can provide valuable guidance to stakeholders when making decisions regarding technological investments, design space change, or regulatory assessments.
Ultra Efficient Engine Technology Systems Integration And Environmental Assessment
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Author : National Aeronautics and Space Adm Nasa
language : en
Publisher: Independently Published
Release Date : 2018-09-21
Ultra Efficient Engine Technology Systems Integration And Environmental Assessment written by National Aeronautics and Space Adm Nasa and has been published by Independently Published this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-21 with categories.
This study documents the design and analysis of four types of advanced technology commercial transport airplane configurations (small, medium large and very large) with an assumed technology readiness date of 2010. These airplane configurations were used as a platform to evaluate the design concept and installed performance of advanced technology engines being developed under the NASA Ultra Efficient Engine Technology (UEET) program. Upon installation of the UEET engines onto the UEET advanced technology airframes, the small and medium airplanes both achieved an additional 16% increase in fuel efficiency when using GE advanced turbofan engines. The large airplane achieved an 18% increase in fuel efficiency when using the P&W geared fan engine. The very large airplane (i.e. BWB), also using P&W geared fan engines, only achieved an additional 16% that was attributed to a non-optimized airplane/engine combination.Daggett, David L. and Geiselhart, Karl A. (Technical Monitor)Langley Research CenterEXHAUST EMISSION; AIRCRAFT ENGINES; TECHNOLOGY ASSESSMENT; ENGINE DESIGN; DESIGN ANALYSIS; TURBOFAN ENGINES; TRANSPORT AIRCRAFT; SYSTEMS INTEGRATION; INSTALLING; COMMERCIAL AIRCRAFT; AIRFRAMES
System Integration Analysis Of A Large Commercial Aircraft Engine
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Author : Craig M. Rowles
language : en
Publisher:
Release Date : 1999
System Integration Analysis Of A Large Commercial Aircraft Engine written by Craig M. Rowles and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
Commercial Aircraft Propulsion And Energy Systems Research
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Author : National Academies of Sciences, Engineering, and Medicine
language : en
Publisher: National Academies Press
Release Date : 2016-08-09
Commercial Aircraft Propulsion And Energy Systems Research written by National Academies of Sciences, Engineering, and Medicine and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-09 with Technology & Engineering categories.
The primary human activities that release carbon dioxide (CO2) into the atmosphere are the combustion of fossil fuels (coal, natural gas, and oil) to generate electricity, the provision of energy for transportation, and as a consequence of some industrial processes. Although aviation CO2 emissions only make up approximately 2.0 to 2.5 percent of total global annual CO2 emissions, research to reduce CO2 emissions is urgent because (1) such reductions may be legislated even as commercial air travel grows, (2) because it takes new technology a long time to propagate into and through the aviation fleet, and (3) because of the ongoing impact of global CO2 emissions. Commercial Aircraft Propulsion and Energy Systems Research develops a national research agenda for reducing CO2 emissions from commercial aviation. This report focuses on propulsion and energy technologies for reducing carbon emissions from large, commercial aircraftâ€" single-aisle and twin-aisle aircraft that carry 100 or more passengersâ€"because such aircraft account for more than 90 percent of global emissions from commercial aircraft. Moreover, while smaller aircraft also emit CO2, they make only a minor contribution to global emissions, and many technologies that reduce CO2 emissions for large aircraft also apply to smaller aircraft. As commercial aviation continues to grow in terms of revenue-passenger miles and cargo ton miles, CO2 emissions are expected to increase. To reduce the contribution of aviation to climate change, it is essential to improve the effectiveness of ongoing efforts to reduce emissions and initiate research into new approaches.
An Approach To The Life Cycle Analysis Of Aircraft Turbine Engines
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Author : J. R. Nelson
language : en
Publisher:
Release Date : 1979
An Approach To The Life Cycle Analysis Of Aircraft Turbine Engines written by J. R. Nelson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Aircraft gas-turbines categories.
Application to military aircraft.
Modeling Commercial Turbofan Engine Icing Risk With Ice Crystal Ingestion
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Author : National Aeronautics and Space Adm Nasa
language : en
Publisher: Independently Published
Release Date : 2019-01-23
Modeling Commercial Turbofan Engine Icing Risk With Ice Crystal Ingestion written by National Aeronautics and Space Adm Nasa and has been published by Independently Published this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-23 with Science categories.
The occurrence of ice accretion within commercial high bypass aircraft turbine engines has been reported under certain atmospheric conditions. Engine anomalies have taken place at high altitudes that have been attributed to ice crystal ingestion, partially melting, and ice accretion on the compression system components. The result was degraded engine performance, and one or more of the following: loss of thrust control (roll back), compressor surge or stall, and flameout of the combustor. As ice crystals are ingested into the fan and low pressure compression system, the increase in air temperature causes a portion of the ice crystals to melt. It is hypothesized that this allows the ice-water mixture to cover the metal surfaces of the compressor stationary components which leads to ice accretion through evaporative cooling. Ice accretion causes a blockage which subsequently results in the deterioration in performance of the compressor and engine. The focus of this research is to apply an engine icing computational tool to simulate the flow through a turbofan engine and assess the risk of ice accretion. The tool is comprised of an engine system thermodynamic cycle code, a compressor flow analysis code, and an ice particle melt code that has the capability of determining the rate of sublimation, melting, and evaporation through the compressor flow path, without modeling the actual ice accretion. A commercial turbofan engine which has previously experienced icing events during operation in a high altitude ice crystal environment has been tested in the Propulsion Systems Laboratory (PSL) altitude test facility at NASA Glenn Research Center. The PSL has the capability to produce a continuous ice cloud which are ingested by the engine during operation over a range of altitude conditions. The PSL test results confirmed that there was ice accretion in the engine due to ice crystal ingestion, at the same simulated altitude operating conditions as experienced previously in fli
Aircraft Instrumentation And Systems
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Author : S. Nagabhushana
language : en
Publisher: I. K. International Pvt Ltd
Release Date : 2013-12-30
Aircraft Instrumentation And Systems written by S. Nagabhushana and has been published by I. K. International Pvt Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-30 with Science categories.
Aircraft Instrumentation and Systems has the adequate coverage to deal generally the topics for undergraduate course on Aircraft Instrumentation. It covers: An introduction to aircraft instruments and systems, Air data systems and air data computers, Navigation systems, Gyroscopic flight instruments, Engine instruments, Electronics flight instrument systems, Safety and warning systems. Every effort has been done to update the contents of the book to the present-day technology used in modern transport category aircraft manufactured by Boeing and Airbus industry. The text is profusely illustrated with block diagrams, schematic diagrams and a number of tables and glossary. Review questions have been included at the end of the each chapter for practice and self-study. The book is intended for teaching and study the topic for students of B.E., M.E. and students in Instrumentation Technology and Aircraft Engineering. It also introduces the subject to practising engineers and readers interested in aircraft instrumentation and to the flight crew