Experimental Investigation of the Flow Field in a Transonic, Axial Flow Compressor with Respect to the Development of Blockage and Loss PDF Download
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Author: Kenneth Lee Suder
Publisher:
ISBN:
Category : Aerodynamics, Transonic
Languages : en
Pages : 272
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Book Description
Author: Kenneth Lee Suder
Publisher:
ISBN:
Category : Aerodynamics, Transonic
Languages : en
Pages : 272
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Book Description
Author: Emily S. Nelson
Publisher: CRC Press
ISBN: 1136318194
Category : Nature
Languages : en
Pages : 493
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Book Description
Aircraft emissions currently account for ~3.5% of all greenhouse gas emissions. The number of passenger miles has increased by 5% annually despite 9/11, two wars and gloomy economic conditions. Since aircraft have no viable alternative to the internal combustion engine, improvements in aircraft efficiency and alternative fuel development become essential. This book comprehensively covers the relevant issues in green aviation. Environmental impacts, technology advances, public policy and economics are intricately linked to the pace of development that will be realized in the coming decades. Experts from NASA, industry and academia review current technology development in green aviation that will carry the industry through 2025 and beyond. This includes increased efficiency through better propulsion systems, reduced drag airframes, advanced materials and operational changes. Clean combustion and emission control of noise, exhaust gases and particulates are also addressed through combustor design and the use of alternative fuels. Economic imperatives from aircraft lifetime and maintenance logistics dictate the drive for "drop-in" fuels, blending jet-grade and biofuel. New certification standards for alternative fuels are outlined. Life Cycle Assessments are used to evaluate worldwide biofuel approaches, highlighting that there is no single rational approach for sustainable buildup. In fact, unless local conditions are considered, the use of biofuels can create a net increase in environmental impact as a result of biofuel manufacturing processes. Governmental experts evaluate current and future regulations and their impact on green aviation. Sustainable approaches to biofuel development are discussed for locations around the globe, including the US, EU, Brazil, China and India.
Author: James C. Emery
Publisher:
ISBN:
Category : Aerodynamics, Transonic
Languages : en
Pages : 48
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Book Description
Author: George W. Lewis (Jr.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 9
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Book Description
Author: Kenneth L. Suder
Publisher:
ISBN:
Category :
Languages : en
Pages : 20
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Book Description
Presented at the International Gas Turbine & Aeroengine Congress & Exhibition, Orlando, FL, Jun 2 - Jun 5, 1997.
Author:
Publisher:
ISBN:
Category : Mechanical engineering
Languages : en
Pages : 768
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Book Description
Author: Levent Aydin
Publisher: CRC Press
ISBN: 1000095851
Category : Science
Languages : en
Pages : 237
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Book Description
Among all aspects of engineering, design is the most important step in developing a new product. A systematic approach to managing design issues can only be accomplished by applying mathematical optimization methods. Furthermore, due to the practical issues in engineering problems, there are limitations in using traditional methods. As such, stochastic optimization methods such as differential evolution, simulated annealing, and genetic algorithms are preferable in finding solutions in design optimization problems. This book reviews mechanical engineering design optimization using stochastic methods. It introduces students and design engineers to practical aspects of complicated mathematical optimization procedures, and outlines steps for wide range of selected engineering design problems. It shows how engineering structures are systematically designed. Many new engineering design applications based on stochastic optimization techniques in automotive, energy, military, naval, manufacturing process and fluids-heat transfer, are described in the book. For each design optimization problem described, background is provided for understanding the solutions. There are very few books on optimization that include engineering applications. They cover limited applications, and that too of well-known design problems of advanced and niche nature. Common problems are hardly addressed. Thus, the subject has remained fairly theoretical. To overcome this, each chapter in this book is contributed by at least one academic and one industrial expert researcher.
Author: Seymour Lieblein
Publisher:
ISBN:
Category :
Languages : en
Pages : 21
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Book Description
Author: Norbert Kroll
Publisher: Springer
ISBN: 3319128868
Category : Technology & Engineering
Languages : en
Pages : 683
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Book Description
The book describes the main findings of the EU-funded project IDIHOM (Industrialization of High-Order Methods – A Top-Down Approach). The goal of this project was the improvement, utilization and demonstration of innovative higher-order simulation capabilities for large-scale aerodynamic application challenges in the aircraft industry. The IDIHOM consortium consisted of 21 organizations, including aircraft manufacturers, software vendors, as well as the major European research establishments and several universities, all of them with proven expertise in the field of computational fluid dynamics. After a general introduction to the project, the book reports on new approaches for curved boundary-grid generation, high-order solution methods and visualization techniques. It summarizes the achievements, weaknesses and perspectives of the new simulation capabilities developed by the project partners for various industrial applications, and includes internal- and external-aerodynamic as well as multidisciplinary test cases.
Author:
Publisher:
ISBN:
Category : Mechanical engineering
Languages : en
Pages : 488
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Book Description
