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Browsing Aeronautical Research Committee Reports & Memoranda by Title

Browsing Aeronautical Research Committee Reports & Memoranda by Title

Now showing items 49-68 of 71

On the conditions at the boundary of a fluid in turbulent motion

T. E. Stanton; Marshall, Dorothy; C. N. Bryant (H. M. Stationery Office, 1920)

The object of the experiments was to determine the nature of the flow in the neighbourhood of the boundary of a fluid flowing in turbulent motion through a channel with parallel walls. The observations were made on air ...
On the flow of air behind an inclined flat plate of infinite span

Fage, A.; F. C. Johansen (H. M. Stationery Office, 1927)

The general form of the flow behind an infinitely long thin flat plate inclined at a large angle to a fluid stream of infinite extent has been known for many years past. The essential features of the motion are illustrated ...
On the periodic effects experienced by the blades of a contra-rotating airscrew pair

Collar, A. R. (H. M. Stationery Office, 1941)

The present paper discusses the effects on the performance of a contra-rotating airscrew pair of the oscillatory nature of the flow round the blades. The blade sections at a representative radius are developed into two ...
On the static thrust of contra-rotating airscrews

Collar, A. R. (H. M. Stationery Office, 1941)

Under static conditions or at low rates of advance, the blades of a single airscrew are often stalled, except perhaps for the outer sections. At first sight, it would appear that the same conditions must apply to the blades ...
On the stressing of polygonal tubes with particular reference to the torsion of tapered tubes of trapezoidal section

H. L. Cox (H. M. Stationery Office, 1942)

A general method for stressing polygonal tubes is described and applied to the torsion of parallel and tapered tubes of rectangular and trapezoidal section. It is assumed that the shape of the tube is maintained by a limited ...
An orifice method of producing a high velocity stream

Binnie, A.M. (H. M. Stationery Office, 1940)

Earlier papers (Binnie 1938 and 1940) have dealt with the uniformity of the stream produced by a venturi flume and with the possibility of employing this device for testing model seaplane floats. If the velocity of the ...
Prediction of undercarriage reactions

G. Temple (H. M. Stationery Office, 1944)

The object of this report is to give a connected account of the methods which have been developed at the Royal Aircraft Establishment by Messrs. D. D. Lindsay, R. G. Thorne and S. A. Makovski for the prediction of undercarriage ...
Preliminary experiments on non-rigid airship "S.S.E.3 100,000," with a consideration of the performance data of various types of S.S. Airship

Pannell, J. R. (H. M. Stationery Office, 1920)

The experiments were carried out during a visit to Pulham Air Station when the trials of R.39. were temporarily interrupted. Other reports dealing with full-scale airship experiments are R. & M. 537, R. & M. 674, R. & M, ...
The prevention of flutter of spring tabs

Collar, A. R. (H. M. Stationery Office, 1943)

The present report gives a correlation of the results of earlier researches into the prevention of flutter of spring tabs. The restrictions on the way in which tab mass-balance must be applied, which are given in the earlier ...
Propellors in high-speed dives

J. F. C. Conn; Love, E.M. (H. M. Stationery Office, 1942)

The performance of a variable-pitch, 3-bladed propellor has been calculated for conditions of fixed power absorption, fixed rotational speed and varying advance speed. Curves of efficiency and power-loss ratios are given ...
The reaction on a wing whose angle of incidence is changing rapidly. wind tunnel experiments with a short period recording balance

W. S. Farren (H. M. Stationery Office, 1935)

A balance has been developed in the Aeronautics Laboratory at Cambridge by which the reaction on a wing whose angle of incidence is increasing or decreasing rapidly can be recorded. The reactions have been measured on eight ...
The stability of a body towed by a light wire

Glauert, H. (H. M. Stationery Office, 1930)

Summary.-Introductory (Purpose of Investigation.)-Owing to the practice of towing instruments belovv an aeroplane, the conditions for the stability of a towed body required investigation. Range of investigation.-The ...
Stalling tests on a Blenheim

G. E. Pringle (H. M. Stationery Office, 1939)

In extension of earlier flight tests it was required to investigate how accidental stalling and spinning of a Blenheim is affected by the setting of flaps, engine gills and throttles. The behaviour of the aircraft was ...
Tables for use in an improved method of airscrew strip theory calculation

Lock, C. N. H.; D. Yeatman (H. M. Stationery Office, 1934)

An improved method of calculating the performance of an airscrew has been described in prcv:ious reports (Refs. I and 2), which includes an allowance for tip loss. The present report contains tables of a parameter (x) ...
The theoretical relationships for an aerofoil with a multiply hinged flap system

W. G. A. Perring (H. M. Stationery Office, 1928)

Theoretical expressions for the lift and pitching moment of an aerofoil in two dimensional motion were developed in R&M 910. This theory was extended in R&M 1095 to include the hinge moment of a flap in the case of a ...
Theoretical relationships for an aerofoil with hinged flap

Glauert, H. (H. M. Stationery Office, 1927)

The use of an aerofoil with a hinged flap is of very general importance both for control surfaces and for main supporting surfaces, and in particular information is required as to the effect of varying the size of the flap.
The theory of the design of aerofoils with an analysis of the experimental results for the aerofoils R.A.F. 25, 26, 30 to 33

Glauert, H. (H. M. Stationery Office, 1924)

Recently a number of aerofoils have been designed with the object of obtaining (1) a good thick wing, and (2) a racing wing. Experimental results for these aerofoils are contained in reports R.&M. 915, R.&M. 928, and R.&M. ...
A theory of thin aerofoils

Glauert, H. (H. M. Stationery Office, 1924)

The present report develops a theory of thin aerofoils in two dimensional motion and simple integral expressions are obtained for the angle of incidence and moment coefficient at zero lift. A graphical method of integration ...
Torsiograph observations on a merlin ii engine, using a serrated-condenser pick-up, with five different pitch settings of the propeller blade

B. C. Carter; J. R. Forshaw (H. M. Stationery Office, 1943)

This report is based upon the first application of the torsiograph described in Reference I, the observations being made in the course of development of the instrument. Subsequent applications have been to Merlin 61 and ...
Tunnel interference at compressibility speeds using the flexible walls of the rectangular high-speed tunnel

Lock, C. N. H.; J. A. Beavan (H. M. Stationery Office, 1944)

The results of various measurements made in the National Physical Laboratory Rectangular High-speed Tunnel using the flexible walls are compared with theory in order to throw further light on the problem of tunnel interference ...

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