4,107 Matching Results

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Annular-jet ejectors

From Summary: "Included in the report are the results of total-pressure surveys made at downstream ends of the mixing tubes."

Date: November 1949

Creator: Reid, Elliott G.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

On Internal Damping of Rotating Beams

Note presenting an investigation to derive the implications of a previously derived equation for rotating beams.

Date: December 1949

Creator: Morduchow, Morris

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

General Consideration of Problems in Compressible Flow Using the Hodograph Method

Report presenting an investigation of the hodograph method as it is applied in general to the problem of compressible flow.

Date: January 1952

Creator: Chang, Chieh-Chien

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

On Supersonic and Partially Supersonic Flows

Note presenting an extension of the analytical methods used to successfully in the theory of an incompressible fluid to the case of a compressible fluid.

Date: December 1946

Creator: Bergman, Stefan

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Aneroid investigations in Germany

Report presenting an experiment of aneroid development and a theoretical study of the equilibrium of forces acting on the vacuum box.

Date: October 1921

Creator: Hersey, M. D.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

The twisted wing with elliptic plan form

A method for computing the aerodynamic induction of wings with elliptic plan form if arbitrarily twisted.

Date: August 1922

Creator: Munk, Max M.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Further Information on the Laws of Fluid Resistance

Note presenting experiments with cylinders of different shapes and some of the strange phenomena that manifested in connection with the cylinder.

Date: December 1922

Creator: Wieselsberger, C.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Significance of the expression CL³/CD²

Report presenting an analysis of the title coefficient as used in Kahn's formula for the ceiling.

Date: January 1924

Creator: von Sanden, H.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

General Theory of Windmills

In this paper the application of the slip curve method to the design and analysis of windmills is discussed and illustrated by example.

Date: October 1923

Creator: Munk, Max M.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

The Fairing of Airfoil Contours

Note presenting a study of the improvement of the performance of airfoils by abrupt changes in contour.

Date: June 1923

Creator: Warner, Edward P.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

The Drag of Airships I

Report presenting an examination of the drag of airships in order to design more functional aircraft and to obtain information for future research.

Date: September 1926

Creator: Havill, Clinton H.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Tests on Duralumin Columns for Aircraft Construction

The following paper is based on the results of tests, upon duralumin columns, contained in two theses presented to the Department of Civil and Sanitary Engineering of the Massachusetts Institute of Technology.

Date: November 1924

Creator: Lee, John G.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Loads implications of gust-alleviation systems

A brief review is presented of the basic methods of gust alleviation. Some results obtained in flight tests of a gust-alleviation system are included.

Date: June 1957

Creator: Phillips, William H.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

The aerodynamic behavior of a harmonically oscillating finite sweptback wing in supersonic flow

From Introduction: "The paper treats the case of a finite wing with leading edge ahead of the Mach line."

Date: October 1951

Creator: Chang, Chieh-Chien

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Torsional Instability of Hinged Flanges Stiffened by Lips and Bulbs

"Based on torsional instability theory, buckling charts are presented for determining the critical strain of hinged flanges stiffened by idealized lip and bulb elements" (p. 1).

Date: August 1956

Creator: Gerard, George

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Analysis and modification of theory for impact of seaplanes on water

From Summary: "An analysis of available theory on seaplane impact and a proposed modification thereto are presented."

Date: December 1945

Creator: Mayo, Wilbur L.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

On Similarity Rules for Transonic Flows

Note presenting a method used by Tsien to derive similarity rules for hypersonic flows as utilized to derive von Karman's similarity rules for transonic flows.

Date: January 1948

Creator: Kaplan, Carl

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

The thermodynamics of combustion in the Otto cycle engine

Report presenting an examination of the thermodynamics of combustion in the Otto cycle engine, including the effects of turbulence and some of the possible causes of detonation within an engine.

Date: June 1935

Creator: Taylor, E. S.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Symbols for Combustion Research

Note presenting a list of commonly used and standardized symbols for combustion research in order to facilitate the exchange of technical information and to provide a basis for comparison of results obtained by various investigators.

Date: June 1948

Creator: NACA Subcommittee on Combustion

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Notes on the Theory of the Accelerometer

Report discusses several types of accelerometers and how they function. Methods for reducing error and determining the source of the error, including the best placement for the device, are included.

Date: May 1920

Creator: Warner, E. P.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

The Dynamometer Hub

The construction of the dynamometer hub is illustrated and explained, and its electrical and aviation motor tests, as well as those in free flight, described.

Date: September 1920

Creator: Stieber, W.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Notes on Propeller Design 2:The Distribution of Thrust Over a Propeller Blade

The best distribution of the thrust over the length of the propeller blade is investigated, taking into account chiefly the slipstream loss and the friction between the blades and the air.

Date: April 1922

Creator: Munk, Max M.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Notes on Propeller Design 4: General Proceeding in Design

The choice of the numbers of revolutions and of the diameter, the distribution of thrust, and the values of the constants in the aerodynamical equations of the propeller are discussed.

Date: May 1922

Creator: Munk, Max M.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Notes on the Design of Supercharged and Over-dimensioned Aircraft Engines

The author discusses the limited benefits of supercharging motors and some of the factors that make supercharging less beneficial than it initially appears.

Date: July 1920

Creator: Schwager, [Otto]

Item Type: Report

Partner: UNT Libraries Government Documents Department

4,107 Matching Results

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Annular-jet ejectors

On Internal Damping of Rotating Beams

General Consideration of Problems in Compressible Flow Using the Hodograph Method

On Supersonic and Partially Supersonic Flows

Aneroid investigations in Germany

The twisted wing with elliptic plan form

Further Information on the Laws of Fluid Resistance

Significance of the expression CL³/CD²

General Theory of Windmills

The Fairing of Airfoil Contours

The Drag of Airships I

Tests on Duralumin Columns for Aircraft Construction

Loads implications of gust-alleviation systems

The aerodynamic behavior of a harmonically oscillating finite sweptback wing in supersonic flow

Torsional Instability of Hinged Flanges Stiffened by Lips and Bulbs

Analysis and modification of theory for impact of seaplanes on water

On Similarity Rules for Transonic Flows

The thermodynamics of combustion in the Otto cycle engine

Symbols for Combustion Research

Notes on the Theory of the Accelerometer

The Dynamometer Hub

Notes on Propeller Design 2:The Distribution of Thrust Over a Propeller Blade

Notes on Propeller Design 4: General Proceeding in Design

Notes on the Design of Supercharged and Over-dimensioned Aircraft Engines