An analysis of the drag and pressure measurements made in subsonic wind-tunnel tests on two annular aerofoils is described, The relation between the design pressure distribution in incompressible flow and the pressure ...
Three annular aerofoils suitable for use as short fan cowls on turbofan engines of high bypass ratio have been tested at zero incidence over a range of subsonic Mach numbers and also in static conditions. Comparisons are ...
A method of calculating the performance of a helicopter rotor in the hover is presented. The method combines the downwash velocity distribution induced by a contracting spiral vortex wake with strip element-momentum theory. ...
A method of calculating the development of a supersonic jet exhausting into a subsonic free stream is presented. The method of characteristics is used with the conditions on the jet boundary modified by the change in static ...