Browsing CoA. Reports by Author "Westley, R."

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An investigation of the noise field from a small jet and methods for its reduction.

Westley, R.; Lilley, G. M. (College of Aeronautics, Cranfield., 1952-01)

Sound measurements have been made on the noise from the jet of a one inch diameter convergent nozzle at atmospheric temperature and at speeds above and below choking. The noise level and spectrum have been investigated ...
On some aspects of the noise propagation from supersonic aircraft

Lilley, G. M.; Westley, R.; Yates, A. H.; Busing, J. R. (College of Aeronautics, Cranfield, 1953-02)

The noise problem associated with an aircraft flying at supersonic speeds is shown to depend primarily on the shock wave pattern formed by the aircraft. The noise intensity received by a ground observer from a supersonic ...
Optimum design of a vortex tube for achieving large temperature drop ratios

Westley, R. (College of Aeronautics, Cranfield, 1955-05)

The vortex tube, invented by G.J. Ranque, is a simple device which separates a flow of compressed gas into a hot and a cold stream by means of a high speed vortex. It may have useful applications as a refrigerator and one ...
The potential due to a source moving through a compressible fluid and applications to some rotary derivatives of an aerofoil

Westley, R. (College of Aeronautics, Cranfield., 1952-02)

The first part of this note concerns the evaluation of the potential at a fixed point in space due to an arbitrarily moving source. Continues …

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