Ducted Fan Design: Volume 1 - Propulsion Physics and Design of Fans and Long-Chord Ducts PDF Download
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Author: Marc de Piolenc
Publisher: Lulu.com
ISBN: 0359104908
Category : Technology & Engineering
Languages : en
Pages : 182
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Book Description
Presents a simplified method of designing ducted fans for light aircraft propulsion. Includes a survey of ducted-fan-powered aircraft, ranging from amateur-built airplanes to military models and prototypes. Detailed discussion of engines and list of suitable powerplants drawn from automobiles, ATVs and personal watercraft. Extensive technical bibliography and list of sources.
Author: Marc de Piolenc
Publisher: Lulu.com
ISBN: 0359104908
Category : Technology & Engineering
Languages : en
Pages : 182
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Book Description
Presents a simplified method of designing ducted fans for light aircraft propulsion. Includes a survey of ducted-fan-powered aircraft, ranging from amateur-built airplanes to military models and prototypes. Detailed discussion of engines and list of suitable powerplants drawn from automobiles, ATVs and personal watercraft. Extensive technical bibliography and list of sources.
Author: R. A. Wallis
Publisher: Academic Press
ISBN: 1483274225
Category : Technology & Engineering
Languages : en
Pages : 381
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Book Description
Axial Flow Fans: Design and Practice focuses on the design of axial flow fans and the practices involved in their applications. The manuscript first offers information on the fluid mechanics of ducted fans, boundary layer and skin friction relations, and aerofoil data for blade design. Discussions focus on flow deflection in cascade of aerofoils, pitching moment, lift, surface roughness in turbulent boundary layers, turbulent boundary layers in pressure gradients, laminar skin friction, viscosity and boundary layers, and similarity and non-dimensional numbers. The text then ponders on vortex flows in ducting and fan, ducts, and introduction to fan design methods. The book takes a look at the momentum and blade element considerations on free vortex flow of rotor and rotor losses. Topics include momentum considerations, profile drag, tip clearance losses, optimum conditions in terms of the flow and swirl coefficients, pressure relations and velocity vectors, and thrust and torque gradients. Tail fairing design and associated losses, overall efficiencies, torque, thrust, and power, and the design of fan unit with arbitrary vortex flow are also discussed. The publication is a dependable source of information for engineers and readers interested in the design of axial flow fans and practices involved in their operation.
Author: David James
Publisher: Fountain PressLtd
ISBN: 9780852429778
Category : Crafts & Hobbies
Languages : en
Pages : 175
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Book Description
"Ducted fans represent the fastest growing and most exciting facet of aeromodelling, and there is now a tremendous growth of interest amongst fliers, as well as designers and builders. Ducted Fans for Model Jets is a thorough reference book on the technology, and examines the fan unit itself, suitable engines to power the fan, special airframe designs, commercially available engines and fans, and important experimental data on fan and aircraft performance."--Back cover.
Author: Martin Hollmann
Publisher: Aircraft Designs Incorporated
ISBN: 9781893639058
Category : Technology & Engineering
Languages : en
Pages : 111
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Book Description
Author: Hugh McGinnis Reynolds
Publisher:
ISBN:
Category :
Languages : en
Pages : 132
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 180
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Book Description
Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.
Author: Paul F. Yaggy
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 36
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Book Description
Author: Yuping Qian
Publisher: SAE International
ISBN: 1468607138
Category : Technology & Engineering
Languages : en
Pages : 28
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Book Description
Electrical vertical takeoff and landing (eVTOL) vehicles for urban air mobility (UAM) are garnering increased attention from both the automotive and aerospace industries, with use cases ranging from individual transportation, public service, cargo delivery, and more. Distributed electric propulsion systems are their main technical feature; they determine vehicle size and propulsion efficiency and provide distributed thrust to achieve attitude control. Considering the intended role of eVTOL vehicles, ducted-fan systems are ideal choice for the propulsor, as the duct provides a physical barrier between the rotating blades and the human, especially during the take-off and landing phases. Key Technology Challenges of Electric Ducted Fan Propulsion Systems for eVTOL introduces the main bottlenecks and key enablers of ducted-fan propulsion systems for eVTOL applications. Based on the introduction and discussion of these important issues, this report will help eVTOL engineers understand the key technical issues and inspire them to develop the ideal solutions that will enable eVTOL vehicle deployment for UAM operations. Click here to access the full SAE EDGETM Research Report portfolio. https://doi.org/10.4271/EPR2023027
Author: William R. Hawthorne
Publisher: Princeton University Press
ISBN: 1400875609
Category : Science
Languages : en
Pages : 582
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Book Description
Volume XI of the High Speed Aerodynamics and Jet Propulsion series. Edited by W.R. Hawthorne and W.T. Olson. This is a comprehensive presentation of basic problems involved in the design of aircraft gas turbines, including sections covering requirements and processes, experimental techniques, fuel injection, flame stabilization, mixing processes, fuels, combustion chamber development, materials for gas turbine applications, turbine blade vibration, and performance. Originally published in 1960. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
Author: Liang Yun
Publisher: Elsevier
ISBN: 0080519067
Category : Technology & Engineering
Languages : en
Pages : 647
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Book Description
This definitive text describes the theory and design both of Air Cushion Vehicles (ACV) and Surface Effect Ships (SES). It begins by introducing hovercraft types and their development and application throughout the world in the last three decades, before going on to discuss the theoretical aspects of ACV and SES craft covering their hovering performance, dynamic trim over calm water, resistance, stability, manoeuvrability, skirt configuration and analysis of forces acting on the skirts, ACV and SES seakeeping, and the methodology of scaling aerodynamic and hydrodynamic forces acting on the ACV/SES from model test data. The latter chapters describe a design methodology, including design criteria and standard methods for estimating craft performance, lift system design, skirt design, hull structure, propulsion systems and power unit selection. Much technical information, data, and references to further work on hovercraft and SES design is provided. The book will be a useful reference to engineers, technicians, teachers, students (both undergraduate and postgraduate), operators etc. who are involved in ACV/SES research, design, construction and operation. - Guides the reader on how to perform machinery and systems selection within ACV and SES overall design - For teachers, students (both at under- and post-graduate level), engineers and technicians involved in ACV/SES
