D. R. Hoad

发表

Helicopter noise research at the Langley V/STOL tunnel

D. R. Hoad, G. C. Green, 1978 .

Comparison of experimental and analytical predictions of rotor blade-vortex interactions using model scale acoustic data

D. R. Hoad, Ruth M. Martin, J. W. Elliott, 1984 .

An experimental investigation of the effect of rotor tip shape on helicopter blade-slap noise. [in the langley v/stol wind tunnel

D. R. Hoad, 1979 .

Application of the laser velocimeter to airfoil research

D. R. Hoad, 1978 .

Acoustic performance evaluation of an advanced UH-1 helicopter main rotor system

D. R. Hoad, D. A. Conner, 1981 .

Creating competitive rotorcraft noise technology

D. R. Hoad, J. P. Raney, 1984 .

Longitudinal aerodynamic characteristics of an externally blown flap powered lift model with several propulsive system simulators

D. R. Hoad, 1974 .

Correlation of laser velocimeter measurements over a wing with results of two prediction techniques. [in the Langley V/STOL tunnel]

D. R. Hoad, J. F. Meyers, W. H. Young, 1978 .

Externally blown flap impingement parameters

D. R. Hoad, 1976 .

Facility requirements for helicopter noise research

R. H. Schlinker, D. R. Hoad, 1982 .

Experimental blade vortex interaction noise characteristics of a utility helicopter at 1/4 scale

D. R. Hoad, D. A. Conner, 1984 .

Comparison of aerodynamic performance of several STOL concepts

D. R. Hoad, 1972 .

Longitudinal aerodynamics of a low-wing lift-fan transport including hover characteristics in and out of ground effect

G. L. Gentry, D. R. Hoad, 1975 .

NASA/Army supported noise source/noise reduction programs at Langley

D. R. Hoad, 1982 .

Critical considerations for wind-tunnel testing V/STOL aircraft models. [for hover/wingborne flight transition]

R. J. Margason, D. R. Hoad, 1979 .

Experimental and Analytical Predictions of Rotor Blade Vortex Interaction

D. R. Hoad, J. W. Elliott, Ruth M. Martin, 1986 .