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Propeller Selection From Aerodynamic Considerations
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Book Synopsis Propeller Selection from Aerodynamic Considerations by : John L. Crigler
Download or read book Propeller Selection from Aerodynamic Considerations written by John L. Crigler and published by . This book was released on 1942 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A theoretical analysis is presented of the performance of propellers extending to high values of V/nD. At high values of V/nD the analysis shows the propeller efficiency to be critically dependent on the distribution of the load along the radius. A method of calculating the pitch distributions of optimum propellers is explained. Charts are presented that facilitate the selection of the most efficient propellers over a wide range of operating conditions. It is noted that experimental data in the range of high values of V/nD for the purpose of establishing the optimum load distribution are essentially lacking.
Book Synopsis The Aerodynamic Design of Supersonic Propellers from Structural Considerations by : Jerome B. Hammack
Download or read book The Aerodynamic Design of Supersonic Propellers from Structural Considerations written by Jerome B. Hammack and published by . This book was released on 1952 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aerodynamic design of propellers from considerations of centrifugal force is presented. A solution is obtained for the span wise distribution of cross-sectional area required to attain constant centrifugal stress over most of the blade.
Book Synopsis Aerodynamics of the Propeller by : Fritz Weinig
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:
Book Synopsis Propeller Aerodynamics by : Frank Hitchens
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.
Book Synopsis Propeller Aerodynamics by : Frank E. Hitchens
Download or read book Propeller Aerodynamics written by Frank E. Hitchens and published by . This book was released on 2015-08-04 with total page 238 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.
Book Synopsis Aerodynamic Design and Analysis of Propellers for Mini-remotely Piloted Air Vehicles: Ducted propellers by : Henry V. Borst
Download or read book Aerodynamic Design and Analysis of Propellers for Mini-remotely Piloted Air Vehicles: Ducted propellers written by Henry V. Borst and published by . This book was released on 1978 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Powered Propellers on the Aerodynamic Characteristics and the Porpoising Stability of a Dynamic Model of a Long-range Flying Boat by : Norman S. Land
Download or read book Effect of Powered Propellers on the Aerodynamic Characteristics and the Porpoising Stability of a Dynamic Model of a Long-range Flying Boat written by Norman S. Land and published by . This book was released on 1943 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction: The tests described in this report were made on a 1/8-full-size model of a large, long-range, twin-engine flying boat in NACA tank no. 1. The airplane had a wing loading of 43.9 pounds per square foot and a power loading of 11.5 pounds per horsepower. Its arrangement was such that 34.2 percent of the wing area and 56.1 percent of the horizontal tail area were included within the fore-and-aft projection of the propeller disks. The model was fitted with leading-edge slats to make the angle of attack for maximum lift coefficient correspond with that of the airplane at the low Reynolds number associated with the tank tests (3.28 x 105 based on the mean aerodynamic chord and the get-away speed of the model). The model was equipped with two three-blade metal propellers of scale diameter and form, power for which was furnished by two variable-frequency alternating-current motors. Sufficient power was available to develop scale thrust with the propellers. The tests were divided into two parts: (1) aerodynamic tests to determine the effect of the slipstream and thrust from the powered propellers on the lift and trimming-moment characteristics, and (2) hydrodynamic tests to determine the effect of the powered propellers on the range of stable locations of the center of gravity.
Book Synopsis A Selected Listing of NASA Scientific and Technical Reports for ... by :
Download or read book A Selected Listing of NASA Scientific and Technical Reports for ... written by and published by . This book was released on 1949 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aerodynamic Characteristics at High Speeds of Full-scale Propellers Having Different Shank Designs by : Julian D. Maynard
Download or read book Aerodynamic Characteristics at High Speeds of Full-scale Propellers Having Different Shank Designs written by Julian D. Maynard and published by . This book was released on 1947 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aerodynamics and Acoustics of Propellers by :
Download or read book Aerodynamics and Acoustics of Propellers written by and published by . This book was released on 1985 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Theory of Propellers by : Theodore Theodorsen
Download or read book The Theory of Propellers written by Theodore Theodorsen and published by . This book was released on 1944 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: A technical method is given for calculating the axial interference velocity of a propeller. The method involves the use of certain weight functions P, Q, and F. Numerical values for the weight functions are given for two-blade, three-blade, and six-blade propellers.
Book Synopsis Propeller Aerodynamics by : Frank Edwin Hitchens
Download or read book Propeller Aerodynamics written by Frank Edwin Hitchens and published by . This book was released on 2005-01-01 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index of NACA Technical Publications by : United States. National Advisory Committee for Aeronautics
Download or read book Index of NACA Technical Publications written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1949 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Airplane Propeller Principles by : Wilbur Clifton Nelson
Download or read book Airplane Propeller Principles written by Wilbur Clifton Nelson and published by . This book was released on 1944 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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)
Book Synopsis Aircraft Propeller Handbook by : United States. Munitions Board. Aircraft Committee. Subcommittee on Air Force-Navy-Civil Aircraft Design Criteria
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:
Book Synopsis Charts for Determining Propeller Efficiency by : John L. Crigler
Download or read book Charts for Determining Propeller Efficiency written by John L. Crigler and published by . This book was released on 1944 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: A short method of estimating propeller efficiency for a given operating condition is described. The efficiency is determined for any design condition by evaluating separately from charts the induced losses and the profile-drag losses. The estimated efficiency is compared with experimental results for a wide range of operating conditions and found to be in agreement near peak efficiency. The present analysis covers single-rotating propellers of two, three, four, six, and eight blades and includes charts showing the rotational-energy loss for the given operating condition in order to assist in estimating the gain in efficiency for dual-rotating propellers. The change in efficiency to be expected from body interference is discussed. Two examples illustrating the use of the method are given in an appendix.
Book Synopsis Sound Measurements for Five Shrouded Propellers at Static Conditions by : Harvey H. Hubbard
Download or read book Sound Measurements for Five Shrouded Propellers at Static Conditions written by Harvey H. Hubbard and published by . This book was released on 1950 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sound-pressure measurements are reported for five shrouded propellers and are compared with those for an unshrouded propeller operating at approximately the same rotational speed and power. The maximum total sound pressure produced by a two-blade shrouded propeller is found to vary approximately from one-half to twice as much as that for an unshrouded two-blade propeller, depending on whether the flow at the shroud surface is unseparated or separated, respectively. Shroud chord is found not to be critical except insofar as the areodynamic considerations are affected. In general, if the shroud-propeller unit satisfies aerodynamic requirements, good sound characteristics will also be obtained.
