Browsing Aeronautical Research Council Reports & Memoranda by Author "D. A. Clarke"

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Choking effects and some reynolds number effects on the mach number distribution round a two-dimensional aerofoil in the RAE 10-ft x 7-ft high-speed tunnel

D. A. Clarke; H. E. Gamble (1949)

A two-dimensional aerofoil of NACA 0015 section was tested at zero incidence in the Royal Aircraft Establishment 10 ft x 7 ft High-speed Wind Tunnel and measurements were made of (a) Static pressure on the aerofoil surface ...
High-speed tunnel tests of a 5 per cent. Chord dive-recovery flap on a NACA 0015 aerofoil

D. A. Clarke (1948)

Pressure plotting tests were made in the Royal Aircraft Establishment High Speed Tunnel on a parallel wooden NACA 0015 wing with dive-recovery flap. The Mach number was varied between 0.30 and 0.80, and the Reynolds number ...
The measurement of the overall drag of an aircraft at High Mach Numbers

D. J. Higton; R. H. Plascott; D. A. Clarke (1949)

This report describes the technique which has been developed to measure the overall drag of an aircraft at high Mach numbers in both level flight and dives. It shows how improvements have been made both in flight and tunnel ...

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