Law of Similitude for the Surface Resistance of Lacquered Planes Moving in a Straight Line Through Water PDF Download
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Author: Friedrich Gebers
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 756
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Book Description
The proof of the validity of the Reynolds law of similitude for the surface resistance of planes has been developed with an accuracy hitherto unattained and for a large range of lengths and speeds. It has been shown that, in addition to the form resistance, the resistance of the longitudinal edges must be taken into account.
Author: Friedrich Gebers
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 756
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Book Description
The proof of the validity of the Reynolds law of similitude for the surface resistance of planes has been developed with an accuracy hitherto unattained and for a large range of lengths and speeds. It has been shown that, in addition to the form resistance, the resistance of the longitudinal edges must be taken into account.
Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 616
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 664
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Book Description
Author:
Publisher:
ISBN:
Category : Engineering
Languages : en
Pages : 816
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Book Description
Since its creation in 1884, Engineering Index has covered virtually every major engineering innovation from around the world. It serves as the historical record of virtually every major engineering innovation of the 20th century. Recent content is a vital resource for current awareness, new production information, technological forecasting and competitive intelligence. The world?s most comprehensive interdisciplinary engineering database, Engineering Index contains over 10.7 million records. Each year, over 500,000 new abstracts are added from over 5,000 scholarly journals, trade magazines, and conference proceedings. Coverage spans over 175 engineering disciplines from over 80 countries. Updated weekly.
Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 670
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Book Description
Chiefly translations from foreign aeronautical journals.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 430
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Book Description
Chiefly translations from foreign aeronautical journals.
Author: United States. Work Projects Administration
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 148
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Book Description
Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 230
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 656
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Book Description
Chiefly translations from foreign aeronautical journals.
Author: B. N. Yegorov
Publisher:
ISBN:
Category : Aerofoils
Languages : en
Pages : 688
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Book Description
A fundamental defect of existing methods for the determination of the polar of an airplane in flight is the impossibility of obtaining the thrust or the resistance of the propeller for any type airplane with any type engine. The new method is based on the premise that for zero propeller thrust the mean angle of attack of the blade is approximately the same for all propellers if this angle is reckoned from the aerodynamic chord of the profile section. This angle was determined from flight tests. Knowing the mean angle of the blade setting the angle of attack of the propeller blade at zero thrust can be found and the propeller speed in gliding obtained. The experimental check of the new method carried out on several airplanes gave positive results. The basic assumptions for the construction of the polars and the method of analyzing the flight data are given.
