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Author : Guee-Won Moon
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Numerical Study of Thermal Choking Process in a Model Scramjet Engine written by Guee-Won Moon and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eunju Jeong
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Numerical Study on Combustion Process of Model Scramjet Engine with a Backward Step written by Eunju Jeong and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. O'Byrne
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Analysis of Thermal Choking Processes in a Model Scramjet Engine written by S. O'Byrne and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Masatoshi Kodera
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Numerical Study of Mixing and Combustion Process of a Scramjet Engine Model written by Masatoshi Kodera and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Keith S. McDaniel
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Simulation of Thermal Choking in a Model Scramjet Combustor written by Keith S. McDaniel and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ayad Alhumadi
Publisher :
ISBN 13 :
Total Pages : 298 pages
Book Rating : 4.:/5 (824 download)
Download or read book Numerical Study of the Performance of a Model Scramjet Engine written by Ayad Alhumadi and published by . This book was released on 2012 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Keith S. McDaniel
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Three-dimensional Simulation of Thermal Choking in a Model Scramjet Combustor written by Keith S. McDaniel and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dong-Heon Jang
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Numerical Study of Unsteady Shock-induced Combustion in Scramjet Engine written by Dong-Heon Jang and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (14 download)
Download or read book Numerical Analysis on MHD Energy Bypass Scramjet Engine Characteristics written by and published by . This book was released on 2003 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quasi-one dimensional numerical simulation throughout an engine was carried out for detailed performance analysis. Simple scramjet engine model including inlet, MHD generator, combustor, MHD accelerator, and expansion nozzle was introduced. MacCormack method was employed for unsteady numerical simulations. Maximum combustor exit stagnation temperature was set for the operating condition. Engine performance was evaluated by inlet-to-exit thrust normalized by mass flow rate. Dependency of engine performance on flight Mach number was investigated. MHD generator bad successfully reduced the stagnation temperature prior to the combustor which enabled greater energy injection at the combustor. Therefore, by introducing the MHD energy bypass system, scramjet engine was shown to improve its thrust performance at high Mach number conditions. Qualitative agreement with analytical calculation was obtained, although the phenomenon of thermal choking in the MHD generator and the combustor was found as operating limitations. Strong dependence of thrust on channel configurations were also found.
Author :
Publisher :
ISBN 13 :
Total Pages : 592 pages
Book Rating : 4.0/5 ( download)
Download or read book 36th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit: 2000-3700 - 2000-3749 written by and published by . This book was released on 2000 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marc Núñez Corbacho
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (122 download)
Download or read book Numerical Analysis Study of the Reacting Flow in a Scramjet Airbreathing Engine written by Marc Núñez Corbacho and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Scramjet engines are the fastest form of propulsion that has been conceived, being capable offlying in a flight regime above Mach number 5. The concept of scramjet engine is not recent,as its development started more than half a century ago. However, a scramjet vehicle has onlyflown three times (by NASA), being the last one in 2004 and reaching a Mach number of 10.The working principle of a scramjet engine is the same as the subsonic engines: compressing,combusting and expanding air to produce thrust. Nevertheless, scramjet engines do not havemoving parts such a compressor or a turbine, as the flow at hypersonic speed is compresseddirectly by the inlet and the combustion is held in supersonic regime.In this study, a parametric model for the combustor and nozzle of a scramjet engine has beendeveloped, focusing in the combustion process. Under quasi-one-dimensional steady flowconditions, the properties at the exit of the combustor and nozzle are computed by calculatingthe composition of the gas at the combustor for different conditions of temperature, fuel ratio,pressure and velocity.Also, in order to assess the performance of the engine, a simplified inlet model is assumed.Finally, the results of this document are compared with those of other studies. Some possibleimprovements of the study are also included.
Author : Corin Segal
Publisher : Cambridge University Press
ISBN 13 : 1139478192
Total Pages : 271 pages
Book Rating : 4.1/5 (394 download)
Download or read book The Scramjet Engine written by Corin Segal and published by Cambridge University Press. This book was released on 2009-06-22 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: The renewed interest in high-speed propulsion has led to increased activity in the development of the supersonic combustion ramjet engine for hypersonic flight applications. In the hypersonic regime the scramjet engine's specific thrust exceeds that of other propulsion systems. This book, written by a leading researcher, describes the processes and characteristics of the scramjet engine in a unified manner, reviewing both theoretical and experimental research. The focus is on the phenomena that dictate the thermo-aerodynamic processes encountered in the scramjet engine, including component analyses and flowpath considerations; fundamental theoretical topics related to internal flow with chemical reactions and non-equilibrium effects, high-temperature gas dynamics, and hypersonic effects are included. Cycle and component analyses are further described, followed by flowpath examination. Finally, the book reviews experimental and theoretical capabilities and describes ground testing facilities and computational fluid dynamics facilities developed for the study of time-accurate, high-temperature aerodynamics.
Author : Gautam Choubey
Publisher : Butterworth-Heinemann
ISBN 13 : 0323995667
Total Pages : 198 pages
Book Rating : 4.3/5 (239 download)
Download or read book Scramjet Combustion written by Gautam Choubey and published by Butterworth-Heinemann. This book was released on 2022-07-08 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scramjet Combustion explores the development of a high-speed scramjet engine operating in the supersonic/hypersonic range for various air and space transport applications. The book explains the basic structure, components, working cycle, and the relevant governing equations in a clear manner that speaks to both advanced and more novice audiences. Particular attention is paid to efficient air–fuel combustion, looking at both the underlying fundamentals of combustion as well strategies for obtaining optimum combustion efficiency. Methods for reaching the chemically correct air–fuel ratio, subsequent flame, and combustion stabilization as air enters at supersonic speed are also outlined. Further, it includes the continuous on-going efforts, innovations, and advances with respect to the design modification of scramjet combustors, as well as different strategies of fuel injections for obtaining augmented performance while highlighting the current and future challenges. Outlines the fundamentals of scramjet engines including their basic structure and components, working cycle, governing equations, and combustion fundamentals affecting the combustion and mixing processes Presents new design modifications of scramjet combustors and different fuel injection strategies including combined fuel injection approaches Discusses core topics such as chemical kinetics in supersonic flow, fuel–air mixing methods, strategies for combating combustion difficulties, and subsequent flame and combustion stabilization that can be applied to scramjets Describes the pedagogy for computational approaches in simulating supersonic flows
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722132033
Total Pages : 56 pages
Book Rating : 4.1/5 (32 download)
Download or read book A First Scramjet Study written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-02 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: A variety of related scramjet engine topics are examined. The flow is assumed to be 1-D, the gas is thermally and calorically perfect, and focus is on low hypersonic Mach numbers. The thrust and lift of an exposed half nozzle, which is used on the aerospace plane, is evaluated as well as a fully confined nozzle. A rough estimate of the drag of an aerospace plane is provided. Thermal effects and shock waves are next discussed. A parametric scramjet model is then presented based on the influence coefficient method, which evaluates the dominant scramjet processes. The independent parameters are the ratio of specific heats, a nondimensional heat addition parameter, and four Mach numbers. The total thrust generated by the combustor and nozzle is shown to be independent of the heat release distribution and the combustor exit Mach number, providing thermal choking is avoided. An operating condition for the combustor is found that maximizes the thrust. An alternative condition is explored when this optimum is no longer realistic. This condition provides a favorable pressure gradient and a reasonable area ratio for the combustor. Parametric results based on the model is provided. Emanuel, George Unspecified Center...
Author : American Institute of Aeronautics and Astronautics
Publisher :
ISBN 13 :
Total Pages : 1252 pages
Book Rating : 4.F/5 ( download)
Download or read book AIAA Journal written by American Institute of Aeronautics and Astronautics and published by . This book was released on 2003 with total page 1252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E. T. Curran
Publisher : AIAA
ISBN 13 : 9781600864414
Total Pages : 1354 pages
Book Rating : 4.8/5 (644 download)
Download or read book Scramjet Propulsion written by E. T. Curran and published by AIAA. This book was released on 2001 with total page 1354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William H. Heiser
Publisher : AIAA
ISBN 13 : 9781563470356
Total Pages : 632 pages
Book Rating : 4.4/5 (73 download)
Download or read book Hypersonic Airbreathing Propulsion written by William H. Heiser and published by AIAA. This book was released on 1994 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: An almost entirely self-contained engineering textbook primarily for use in undergraduate and graduate courses in airbreathing propulsion. It provides a broad and basic introduction to the elements needed to work in the field as it develops and grows. Homework problems are provided for almost every individual subject. An extensive array of PC-based user-friendly computer programs is provided in order to facilitate repetitious and/or complex calculations. Annotation copyright by Book News, Inc., Portland, OR
