Author

William S. Helliwell

Observed names: W S. Helliwell, W. HELLIWELL, W. S. Helliwell, W.S. HELLIWELL, WILLIAM S. HELLIWELL

Institutions: Leidos (United States), Science Applications International Corporation (United States)

Observed institutions: Leidos (United States), The Aerospace Corporation, Areté Associates (United States), Science Applications International Corporation (United States)

OpenAlex ID: A5062766582

Calculation of the Flow on a Cone at High Angle of Attack

1974 · STEPHEN C. LUBARD, WILLIAM S. HELLIWELL · AIAA Journal · 132

Viscous Flow over Arbitrary Geometries at High Angle of Attack

1981 · William S. Helliwell, Richard P. Dickinson, et al. · AIAA Journal · 37

An implicit method for three dimensional viscous flow with application to cones at angle of attack

1975 · William S. Helliwell, Stephen C. Lubard · Computers & Fluids · 36

Viscous flow over arbitrary geometries at high angle of attack

1980 · W. HELLIWELL, R. DICKINSON · 18th Aerospace Sciences Meeting · 34

Calculation of the flow on a cone at high angle of attack

1973 · S. LUBARD, W.S. HELLIWELL · AIAA Fluid Dynamics, Plasma Dynamics and Lasers Conference · 24

Ship shadowing: model and data comparisons

1990 · William S. Helliwell, Gerald N. Sullivan, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 22

Finite-difference solution to the radiative-transfer equation for in-water radiance

1985 · W. S. Helliwell · Journal of the Optical Society of America A · 13

A Fast Implicit Iterative Numerical Method for Solving Multidimensional Partial Differential Equations

1978 · William S. Helliwell · AIAA Journal · 5

An Implicit Method for Three-Dimensional Viscous Flow with Application to Cones at Angle of Attack

1973 · William S. Helliwell, Stephen C. Lubard · Defense Technical Information Center (DTIC) · 5

Obtaining Inherent Water Optical Properties From Apparent Water Optical Properties

1988 · W S. Helliwell, S D. Gasster · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 2

Turbulent Flow over Vehicles at Angle of Attack.

1984 · W. S. Helliwell, I. E. Alber, et al. · AIAA Journal · 2

Detector perturbation of ocean radiance measurements

1991 · Burns Macdonald, William S. Helliwell, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 1

A finite-difference discrete-ordinate solution to the three-dimensional radiative transfer equation

1990 · William S. Helliwell, Gerald N. Sullivan, et al. · Transport Theory and Statistical Physics · 1

Analysis of advantages and disadvantages of scene registration as part of space-time processing

1996 · Cynthia C. Piotrowski, Morton S. Farber, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE

Motion estimation from SAR data

1995 · William S. Helliwell · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE

Turbulent flow over vehicles at angle of attack

1982 · W. HELLIWELL, I. ALBER, et al. · 20th Aerospace Sciences Meeting

Works count: 16

Citation count: 314

H-index: 7

I10-index: 7