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Author : Lisa Danielle Koch
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (317 download)
Download or read book Design and Performance Calculations of a Propeller for Very High Altitude Flight written by Lisa Danielle Koch and published by . This book was released on 1998 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781723015083
Total Pages : 132 pages
Book Rating : 4.0/5 (15 download)
Download or read book Design and Performance Calculations of a Propeller for Very High Altitude Flight. Degree Awarded by Case Western Univ. written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-17 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reported here is a design study of a propeller for a vehicle capable of subsonic flight in Earth's stratosphere. All propellers presented were required to absorb 63.4 kW (85 hp) at 25.9 km (85,000 ft) while aircraft cruise velocity was maintained at Mach 0.40. To produce the final design, classic momentum and blade-element theories were combined with two and three-dimensional results from the Advanced Ducted Propfan Analysis Code (ADPAC), a numerical Navier-Stokes analysis code. The Eppler 387 airfoil was used for each of the constant section propeller designs compared. Experimental data from the Langley Low-Turbulence Pressure Tunnel was used in the strip theory design and analysis programs written. The experimental data was also used to validate ADPAC at a Reynolds numbers of 60,000 and a Mach number of 0.20. Experimental and calculated surface pressure coefficients are compared for a range of angles of attack. Since low Reynolds number transonic experimental data was unavailable, ADPAC was used to generate two-dimensional section performance predictions for Reynolds numbers of 60,000 and 100,000 and Mach numbers ranging from 0.45 to 0.75. Surface pressure coefficients are presented for selected angles of attack. in addition to the variation of lift and drag coefficients at each flow condition. A three-dimensional model of the final design was made which ADPAC used to calculated propeller performance. ADPAC performance predictions were compared with strip-theory calculations at design point. Propeller efficiency predicted by ADPAC was within 1.5% of that calculated by strip theory methods, although ADPAC predictions of thrust, power, and torque coefficients were approximately 5% lower than the strip theory results. Simplifying assumptions made in the strip theory account for the differences seen. Koch, L. Danielle Glenn Research Center PROPELLERS; PROPELLER EFFICIENCY; PERFORMANCE PREDICTION; LOW REYNOLDS NUMBER; AERODYNAMIC COEFFICIENTS; NAVIER-STOKES EQUATION; N...
Author : United States. National Aeronautics and Space Administration
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (213 download)
Download or read book Design And Performance Calculations Of A Propeller For Very High Altitude Flight... NASA/TM-1998-206637... Apr. 7, 1998 written by United States. National Aeronautics and Space Administration and published by . This book was released on 1998* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fred Ernest Weick
Publisher :
ISBN 13 :
Total Pages : 320 pages
Book Rating : 4.3/5 (91 download)
Download or read book Aircraft Propeller Design written by Fred Ernest Weick and published by . This book was released on 1930 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: En lærebog om flypropeller.
Author : United States. Munitions Board. Aircraft Committee. Subcommittee on Air Force-Navy-Civil Aircraft Design Criteria
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.F/5 ( download)
Download or read book Aircraft Propeller Handbook written by United States. Munitions Board. Aircraft Committee. Subcommittee on Air Force-Navy-Civil Aircraft Design Criteria and published by . This book was released on 1956 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Henry C. Watts
Publisher :
ISBN 13 :
Total Pages : 382 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Design of Screw Propellers written by Henry C. Watts and published by . This book was released on 1920 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wilbur Clifton Nelson
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.3/5 (91 download)
Download or read book Airplane Propeller Principles written by Wilbur Clifton Nelson and published by . This book was released on 1944 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Friedrich Wilhelm Riegels
Publisher :
ISBN 13 :
Total Pages : 281 pages
Book Rating : 4.:/5 (62 download)
Download or read book Aerofoil Sections written by Friedrich Wilhelm Riegels and published by . This book was released on 1961 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Grigorios Dimitriadis
Publisher : John Wiley & Sons
ISBN 13 : 1118756460
Total Pages : 944 pages
Book Rating : 4.1/5 (187 download)
Download or read book Introduction to Nonlinear Aeroelasticity written by Grigorios Dimitriadis and published by John Wiley & Sons. This book was released on 2017-03-10 with total page 944 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to Nonlinear Aeroelasticity Introduces the latest developments and technologies in the area of nonlinear aeroelasticity Nonlinear aeroelasticity has become an increasingly popular research area in recent years. There have been many driving forces behind this development, increasingly flexible structures, nonlinear control laws, materials with nonlinear characteristics and so on. Introduction to Nonlinear Aeroelasticity covers the theoretical basics in nonlinear aeroelasticity and applies the theory to practical problems. As nonlinear aeroelasticity is a combined topic, necessitating expertise from different areas, the book introduces methodologies from a variety of disciplines such as nonlinear dynamics, bifurcation analysis, unsteady aerodynamics, non-smooth systems and others. The emphasis throughout is on the practical application of the theories and methods, so as to enable the reader to apply their newly acquired knowledge Key features: Covers the major topics in nonlinear aeroelasticity, from the galloping of cables to supersonic panel flutter Discusses nonlinear dynamics, bifurcation analysis, numerical continuation, unsteady aerodynamics and non-smooth systems Considers the practical application of the theories and methods Covers nonlinear dynamics, bifurcation analysis and numerical methods Accompanied by a website hosting Matlab code Introduction to Nonlinear Aeroelasticity is a comprehensive reference for researchers and workers in industry and is also a useful introduction to the subject for graduate and undergraduate students across engineering disciplines.
Author : Richard Eppler
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (852 download)
Download or read book Aerodynamic design of a propeller for high-altitude balloon trajectory control written by Richard Eppler and published by . This book was released on 2012 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781720385196
Total Pages : 36 pages
Book Rating : 4.3/5 (851 download)
Download or read book Apex 3D Propeller Test Preliminary Design written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-20 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: A low Reynolds number, high subsonic mach number flight regime is fairly uncommon in aeronautics. Most flight vehicles do not fly under these aerodynamic conditions. However, recently there have been a number of proposed aircraft applications (such as high altitude observation platforms and Mars aircraft) that require flight within this regime. One of the main obstacles to flight under these conditions is the ability to reliably generate sufficient thrust for the aircraft. For a conventional propulsion system, the operation and design of the propeller is the key aspect to its operation. Due to the difficulty in experimentally modeling the flight conditions in ground-based facilities, it has been proposed to conduct propeller experiments from a high altitude gliding platform (APEX). A preliminary design of a propeller experiment under the low Reynolds number, high mach number flight conditions has been devised. The details of the design are described as well as the potential data that will be collected.Colozza, Anthony J.Glenn Research CenterTHREE DIMENSIONAL MODELS; LOW REYNOLDS NUMBER; PROPELLERS; SUBSONIC SPEED; PERFORMANCE TESTS; EXPERIMENT DESIGN; FLIGHT CONDITIONS; GLIDING; HIGH ALTITUDE; MACH NUMBER; OBSERVATION AIRCRAFT; PROPULSION
Author : Frank Hitchens
Publisher : Andrews UK Limited
ISBN 13 : 1785381245
Total Pages : 150 pages
Book Rating : 4.7/5 (853 download)
Download or read book Propeller Aerodynamics written by Frank Hitchens and published by Andrews UK Limited. This book was released on 2015-05-11 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: Classical aerodynamics is a compulsory study subject for pilots at all levels of experience. Propeller Aerodynamics is a subset of this fascinating subject. Propellers have their unique aerodynamic terminology, forces and handling requirements, knowledge of which all pilots must be aware of to safely handle the aircraft they are flying. Incorrect propeller handling can cause damage to the aircraft and reduce performance efficiency. Most aerodynamic text books only give a brief view of propeller aerodynamics; however this book Propeller Aerodynamics delves more deeply into this subject. The book covers the history and operation of aircraft propellers, prop pitch, thrust, efficiency, aircraft stability, prop forces, constant-speed units and more. This is all essential reading for the pilot progressing to more advanced high-performance aircraft.
Author : Fritz Weinig
Publisher :
ISBN 13 :
Total Pages : 546 pages
Book Rating : 4.:/5 (89 download)
Download or read book Aerodynamics of the Propeller written by Fritz Weinig and published by . This book was released on 1948 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John T. Lowry
Publisher : AIAA
ISBN 13 : 9781563473302
Total Pages : 508 pages
Book Rating : 4.4/5 (733 download)
Download or read book Performance of Light Aircraft written by John T. Lowry and published by AIAA. This book was released on 1999 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pilots, aviation students, kitplane builders, aircraft fleet operators and aeronautical engineers can all determine how their propeller-driven airplanes will perform, under any conditions, by using the step-by-step bootstrap approach introduced in this book. A few routine flying manoeuvres (climbs, glides, a level speed run) will give the necessary nine numbers. High-school level calculations then give performance numbers with much greater detail and accuracy than many other methods - for the reader's individual aircraft.
Author : Edward Pearson Warner
Publisher :
ISBN 13 :
Total Pages : 620 pages
Book Rating : 4.:/5 (31 download)
Download or read book Airplane Design written by Edward Pearson Warner and published by . This book was released on 1927 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Carlton
Publisher : Butterworth-Heinemann
ISBN 13 : 0080971237
Total Pages : 539 pages
Book Rating : 4.0/5 (89 download)
Download or read book Marine Propellers and Propulsion written by John Carlton and published by Butterworth-Heinemann. This book was released on 2012-10-30 with total page 539 pages. Available in PDF, EPUB and Kindle. Book excerpt: The early development of the screw propeller. Propeller geometry. The propeller environment. The ship wake field, propeller performance characteristics.
Author : K Hans Raj
Publisher : ALPHA SCIENCE INTERNATIONAL LIMITED
ISBN 13 : 8184875304
Total Pages : 916 pages
Book Rating : 4.1/5 (848 download)
Download or read book Agile Manufacturing Systems written by K Hans Raj and published by ALPHA SCIENCE INTERNATIONAL LIMITED. This book was released on 2011-12-17 with total page 916 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agility has become very important for the industries today as the lifetimes of the products are continuously shrinking. This book provides an excellent opportunity for updating understanding of agile methods from the design, manufacturing and business process perspectives, whether one is an industrial practitioner, academic researcher engineer or business graduate student. This volume is a compilation of various important aspects of agility consisting of systemic considerations in manufacturing, agile software systems, agile business systems, agile operations research, flexible manufacturing systems, advanced manufacturing systems with improved materials and mechanical behavior of products, agile aspects of design, clean and green manufacturing systems, environment, agile defence systems.
