Calculation Of Tunnel Induced Upwash Velocities For Swept And Yawed Wings

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Calculation Of Tunnel Induced Upwash Velocities For Swept And Yawed Wings

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Author : S. Katzoff
language : en
Publisher:
Release Date : 1948

Calculation Of Tunnel Induced Upwash Velocities For Swept And Yawed Wings written by S. Katzoff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1948 with Airplanes categories.

The tunnel-induced upwash for a wing of any plan form and load distribution in a rectangular tunnel may be found with the aid of only two charts. One is given in the present paper. The second must be computed for each tunnel. The second chart is given for an open tunnel of 2:1 width-height ratio, a closed tunnel of 2:5 width-height ratio, and a closed tunnel of 10:7 width-height ratio.

Nasa Memorandum

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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1959

Nasa Memorandum written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Aeronautics categories.

Nasa Technical Report

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Author :
language : en
Publisher:
Release Date : 1966

Nasa Technical Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Aerodynamics categories.

Technical Note National Advisory Committee For Aeronautics

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Author : United States. National Advisory Committee for Aeronautics
language : en
Publisher:
Release Date : 1958

Technical Note National Advisory Committee For Aeronautics written by United States. National Advisory Committee for Aeronautics and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with Aeronautics categories.

Relationship Of Metal Surfaces To Heat Aging Properties Of Adhesive Bonds

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Author : J. M. Black
language : en
Publisher:
Release Date : 1958

Relationship Of Metal Surfaces To Heat Aging Properties Of Adhesive Bonds written by J. M. Black and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with Adhesives categories.

A study was made to determine the probable causes of deterioration of each of several adhesives in bonds to stainless steel at temperatures from 400 to 550 degrees F. Prellminary studies of aluminum surfaces on which ions of metals used in staLnless steel were introduced showed that iron was probably catalyzing a thermal deterioration of the adhesive. The resistance of FPL-878 adhesive to thermal deterioration at 550 degrees F on steel was improved signiffcantly by treating the steel surface to be bonded with either zinc or cerium naphthenate and firing at 1,200 degrees F. The addition of manganese dioxide to the adhesive also increased its resistance to thermal deterioration. A study of the thermal-aging properties of five different chemical types of adhesives on stainless steel and alumina revealed that a phenol-nitrile rubber adhesive was superior to a phenol-epoxy adhesive on steel, but this order was reversed on alumina. These and other observations indicated probable specific relationships among the chemical structure of the adhesive, the metal adherend, and the resultant thermal stability of bonds after aging at high temperatures.

Technical Note

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Author :
language : en
Publisher:
Release Date : 1948

Technical Note written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1948 with Aeronautics categories.

Experimental Verification Of Two Methods For Computing The Take Off Ground Run Of Propeller Driven Aircraft

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Author : Welko E. Gasich
language : en
Publisher:
Release Date : 1947

Experimental Verification Of Two Methods For Computing The Take Off Ground Run Of Propeller Driven Aircraft written by Welko E. Gasich and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1947 with Airplanes categories.

A comparison is presented between the measured take-off ground run of an airplane equipped with seven different propeller-engine gear-ratio combinations and the computed distances by two different methods.

Naca Research Memorandum

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Author :
language : en
Publisher:
Release Date : 1958

Naca Research Memorandum written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with Aerodynamics categories.

Method Of Matching Components And Predicting Performance Of A Turbine Propeller Engine

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Author : Alois T. Sutor
language : en
Publisher:
Release Date : 1951

Method Of Matching Components And Predicting Performance Of A Turbine Propeller Engine written by Alois T. Sutor and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1951 with Airplanes categories.

Analytical expressions are derived to show the geometric, thermodynamic, and aerodynamic relations among compressor, turbine, and exhaust nozzle for a gas-turbine engine. For a known compressor performance map, a matching method is described to show some of the design compromises that must be made when the components are to be combined into a turbine-propeller engine. A method of predicting engine performance for a range of operating conditions from known component maps is presented. An illustrative example of the matching method and the performance analysis is presented, showing some of the practical limitations of engine operation.

Nasa Technical Note

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Author :
language : en
Publisher:
Release Date : 1963

Nasa Technical Note written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with categories.