Steve Lewellen

Research interests: Fluid dynamics, turbulent transport modelling, environmental fluid dynamics, cloud modelling, vortex dynamics, atmospheric dispersion modelling, and chemical reactions ina turbulent mixture.

Lewellen, D. C. and W. S. Lewellen.  "Near-surface Intensification of Tornado Vortices"  J. of the Atmospheric Sciences,64:2176-2194, 2007.

Lewellen, D. C., B. Gong, W. S. Lewellen. (2004) "Effects of Debris on Near-Surface Tornado Dynamics".  In Preprints, 22th Conference on Severe Local Storms, paper 15.5, 5pp., Hyannis, MA, Oct. 4-8.

Lewellen, D. C. and W. S. Lewellen. (2004) "Simple, Large-Eddy, Buoyancy Flux Model for Cloudy Boundary Layers".  In Preprints, 16th Symposium on Boundary Layers and Turbulence, paper 1.2, 7pp., Portland, ME, Aug. 9-13.

Lewellen, D. C. and W. S. Lewellen, (2004), "Buoyancy Flux Modeling for Cloudy Boundary Layers",  J. of the Atmospheric Sciences, Vol. 61, 1147-1160.

Lewellen, D. C. and W. S. Lewellen, 2003, "Cloud Structure and Entrainment in Marine Atmospheric Boundary Layers".  In Office of Naval Research: Ocean, Atmosphere, Space Fiscal Year 2003 Annual Reports CD-ROM, 6 pages.

Lewellen, D. C. and W. S. Lewellen, (2003), "Modeling of cloud-top entrainment".  In Office of Naval Research: Ocean, Atmosphere, Space Fiscal Year 2002 Annual Reports CD-ROM, 6 pages.

Xia, J., W.S. Lewellen and D.C. Lewellen, (2003), "Influence of Mach number on tornado corner flow dynamics",  J. of the Atmospheric Sciences, Vol. 60, 2820-2825.

Lewellen, D. C. and W. S. Lewellen, (2002), "Near-surface intensification during unsteady tornado evolution".  In Preprints, 21st Conference on Sever Local Storms, pages 481-484, San Antonio, TX, Aug. 12-16.

Lewellen, W. S., J. Xia, and D.C. Lewellen, (2002),  "Transonic velocities in tornadoes?"  In Preprints, 21st Conference on Sever Local Storms, pages 535-538, San Antonio, TX, Aug. 12-16.

Lewellen, D. C. and W. S. Lewellen, (2002), "Entrainment and large eddy structure in cloudy boundary layers".  In Preprints, 15th Symposium on Boundary Layers and Turbulence, pages 209-212, Wageningen, The Netherlands, July 15-19.

Lewellen, D.C. and W. S. Lewellen, (2002), "Entrainment and Decoupling Relations for Cloudy Boundary Layers", J. of the Atmospheric Sciences, Vol. 59, 2966-2986.

Lewellen, D.C. and W. S. Lewellen, (2001), "The Effects of Aircraft Wake Dynamics on measured and simulated NOx and HOx Wake Chemistry", Journal of Geophysical Research,  Vol. 106, 27661-27672.

Lewellen, D. C. and W. S. Lewellen, (2001), "The Effects of Aircraft Wake Dynamics on Contrail Development". J. Atmos. Sci., Vol. 58, 390-406.

Lewellen, D. C. and W. S. Lewellen, (2001), "Modeling of cloud-top entrainment." In Office of Naval Research: Ocean, Atmosphere, Space Fiscal Year 2001 Annual Reports CD-ROM, 6 pages.

Lewellen, D. C. and W. S. Lewellen, (2000), "Modeling of cloud-top entrainment." In Office of Naval Research: Ocean, Atmosphere, Space Fiscal Year 2000 Annual Reports CD-ROM, 5 pages.

Lewellen, D.C., and W. S. Lewellen, (2000) "Boundary Layer Entrainment for Different Capping Conditions", In Proceedings of the 14th AMS Conference on Boundary Layers and Turbulence, pages 80-83, Aspen, CO, Aug 7-11.

Lewellen, D. C., W. S. Lewellen, and J. Xia, (2000), "Nonaxisymmetric, Unsteady Tornadic Corner Flows", Proceedings of the AMS 20th Conference on Severe Local Storms,  pages 265-268, Orlando, FL, Sept. 11-15.

Lewellen, D. C., W. S. Lewellen, and J. Xia, (2000), "The Influence of a Local Swirl Ratio on Tornado Intensification near the Surface". J. Atmos. Sci., Vol. 57, 527-544.

Lewellen, D. C. and W. S. Lewellen, (2000), "Modeling of cloud-top entrainment." In Office of Naval Research: Ocean, Atmosphere, Space Fiscal Year 1999 Annual Reports CD-ROM, 5 pages.

Lewellen, D. C., and W. S. Lewellen. Effects of Aircraft Wake Dynamics on Contrail Development. In Abstracts-Conference on the Atmospheric Effects of Aviation, Virginia Beach, April 19-23, 1999. NASA.

Lewellen, D. C., and W. S. Lewellen, (1998), "Importance of surface layer inflow to tornado vortex intensity. Proceedings of the AMS 19th Conf. on Severe Local Storms, Mineapolis, MN, Sept. 14-19, pp. 210 - 213.

Lewellen, D. C., W. S. Lewellen, L. R. Poole, R. J. Decoursey, G. M. Hansen, C. A. Hostetler, and G. S. Kent, (1998), Large-Eddy Simulations and Lidar Measurements of Vortex-Pair Breakup in Aircraft Wakes. AIAA Journal, Vol. 36, 1439 - 1445.

Lewellen, D.C., and W. S. Lewellen, (1998), "Large-Eddy Boundary Layer Entrainment", J. of the Atmospheric Sciences, Vol. 55, 2645-2665.

Lewellen, W. S., D. C. Lewellen, and Sykes, R.I., (1997), "Large-eddy simulation of a tornado's interaction with the surface", J. of Atmospheric Sciences, Vol. 54, 581-605

Lewellen, D. C., and W. S. Lewellen, (1997), "LES Sensitivity Study of Cloud-top Entrainment" in Proceedings of the AMS 12th Conference on Boundary Layer Turbulence, Vancouver, BC, July 28-31.

Celik, I. B., W. S. Lewellen, J. M. Kuhlman, E. Amin, A. Gel, D. C. Lewellen, J. Smith, I. Yavus, (1997), "Large Eddy Simulation of Diesel Combustion Chambers" for ARO/AFOSR Contractors meeting in Chemical Propulsion, Cleveland, OH, 17-19 June 1997.

Lewellen, W. S., and D. C. Lewellen, (1997), "Modeling of Cloud Scale Turbulent Transport", in Marine Meterorology Abstract Book FY 1996, Office of Naval Research report.

Lewellen, D. C. and W. S. Lewellen, (1996), "Large-Eddy Simulations of the Vortex-Pair Breakup in Aircraft Wakes", AIAA Journal, Vol 34, 2337-2345.

Bechtold, P., S. Krueger, W. S. Lewellen, E. van Meijgaard, C.-H. Moenig, D. A. Randall, A. van Ulden, and S. Wang, (1996), "Modeling a stratocumulus-topped PBL: Intercomparison amoung different 1D codes and with Large Eddy Simulation", Bulletin of the Amer. Met. Soc., Vol 77, 2033-2042.

Lewellen, D.C., Lewellen, W. S. and S. Yoh, (1996), "Influence of Bowen Ratio on Boundary Layer Cloud Structure", J. of the Atmospheric Sciences, Vol. 53, 175-187.

Moeng, C.-H., W.R. Cotton, C. Bretherton, A. Chlond, M. Khairoutdinov, S. Krueger, W. S. Lewellen, M. K. MacVean, J. R. M. Pasquier, H. A. Rand, A. P. Siebesma, R. I. Sykes, and B. Stevens, (1996), "Simulation of a stratocumulus-topped PBL: Intercomparison among different numerical codes," Bulletin of the Amer. Met. Soc., Vol. 77, 261-278.

Lewellen, D.C. and W.S. Lewellen, (1996), "Large-eddy simulation of a tornado's interaction with the surface", in Proceedings of the AMS 18th Conference on Severe Local Storms, February, San Francisco, CA, pp. 392-395.

Lewellen, D.C. and W.S. Lewellen, (1996), "The Role of Turbulent Mixing in the Chemistry and Dispersion of the Wake of Subsonic Aircraft", in Atmospheric Effects of Aviation: First Report of the Subsonic Assessment Project, NASA Reference Publication 1385, May, p. B-69.

Lewellen, W. S., D. C. Lewellen, and S. Yoh, (1994), "Modeling of Persistent Circulations in Boundary Layer Clouds", in Proceedings of the AMS 6th Conference on Mesoscale Processes, July, Portland, Oregon.

Sykes, R. I., S.F. Parker, D.S. Henn, and W. S. Lewellen, (1994), "Turbulent mixing with chemical reaction in the planetary boundary layer", Journal of Applied Meteorology, Vol. 33, 825-834.

Lewellen, W. S., (1993) "Tornado Vortex Theory", The Tornado: Its structure,dynamics, prediction, and hazards, Edited by C. Church, D. Burgess, C. Doswell, and R. Davies-Jones, American Geophysical Union Monograph 79, pp.19-40.

Lewellen, W. S., and S. Yoh, (1993) "Binormal model of ensemble partial cloudiness", J. Atmos. Sci. , Vol. 50, 1228-1237.

Sykes, R. I., D.S. Henn, and W. S. Lewellen, (1993), "Surface-layer description under free convection conditions", Quart. Jour. Roy. Met. Soc., Vol. 119, 409-421.

Sykes, R. I., D.S. Henn, S.F. Parker, and W. S. Lewellen, (1993), "Numerical simulation of ANATEX tracer data using a turbulence closure model for long-range dispersion," J. Applied Meteorology., Vol. 32, 929-947.

Sykes, R. I., D.S. Henn, S.F. Parker, and W. S. Lewellen, (1992), "Large-eddy simulation of a turbulent reacting plume," Atmospheric Environment, 26A, 2565-2574.

Sykes, R. I., and W. S. Lewellen, (1992), "Review of potential models for UF6 dispersion," Martin Marietta Energy Systems (Oak Ridge K 25 Site) Report-K/GDP/SAR, 77p.

Lewellen, W. S., R.I. Sykes, S.F. Parker, and D.S. Henn, (1991), "Plume models which incorporate uncertainty" Air Pollution Modeling and its Application VIII, NATO. Challenges of Modern Society Vol. 15, Edited by H. van Dop and D. G. Steyn, Plenum Press, 673- 680.

Lewellen, W. S., R.I. Sykes, S.F. Parker, and D.S. Henn, (1991), "The introduction of cloud microphysics into SCIPUFF", Defense Nuclear Agency Report DNA-TR-90-90.

Sykes, R. I., W. S. Lewellen, S.F. Parker, and D.S. Henn, (1991), "Plume model predictability as determined by large-eddy simulations", Proc. of the AMS 7th Joint Conf. on Applications of Air Pollution Meteorology with AWMA , Jan. 14, New Orleans, LA.

Lewellen, W. S., S. Yoh, S.F. Parker, R.I. Sykes, and D.S. Henn, (1990), "Fractional cloudiness at the top of the marine boundary layer," AMS Conf. on Cloud Physics, July, San Franciisco, CA. 101-106.

Sykes, R. I., W. S. Lewellen, and D. S. Henn, (1990), "Numerical simulation of the boundary-layer structure during the cold-air outbreak of GALE IOP-2," Monthly Weather Review, 118, 363-374.

Sykes, R. I., D.S. Henn, S.F. Parker, and W. S. Lewellen,(1990), "Large-eddy simulation of turbulent reacting plume", 12th Symp. on Turbulence, U. of Missouri-Rolla, Sept.

Lewellen, W. S., and R. I. Sykes, (1989), "Meteorological data needs for modeling air quality uncertainties", J. of Atmos. and Oceanic Tech., 6, 759-768.

Sykes, R. I., W. S. Lewellen, and S. F. Parker, (1989), "Prediction of the effect of sampling time on concentration probabilities", Proceedings of the 82nd Annual Meeting of the Air & Waste Management Asociation.

Sykes, R. I., W. S. Lewellen, and D. S. Henn, (1988), "A numerical study of the development of cloud street spacing", J. Atmospheric Sciences, 45, 2556-2569.

Lewellen, W. S., R. I. Sykes, S. F. Parker, D. S. Henn, N. L. Seaman, D. R. Stauffer, and T. T. Warner, (1988), "The development of a hierarchy of improved plume models", Electric Power Research Institute Report EA-6095, Final report for Project RP 1616-28.

Lewellen, W. S., R. I. Sykes, and S. F. Parker, (1988), "A puff model of concentration fluctuations", Proc. of the AMS 8th Symposium on turbulence and diffusion, April, San Diego, CA.

Sykes, R. I., W. S. Lewellen, and D. S. Henn, (1988), "Large-eddy simulations of concentration fluctuations", Proc. of the AMS 8th Symposium on turbulence and diffusion, April, San Diego, CA.

Lewellen, W. S., and R. I. Sykes, (1986), "Analysis of concentration Fluctuations from Lidar Observations of Atmospheric Plumes", J. Climate and Applied Met., 25, 1145-1154.

Lewellen, W. S., R. I. Sykes, C. P. Cerasoli, and S. F. Parker, (1986), "Comparison of the 1982 Seadex Dispersion Data with Results from a Number of Different Models", ARAP Report 575, for Nuclear Regulatory Commission, NUREG/CR-4820.

Sykes, R. I., W. S. Lewellen, and S. F. Parker, (1986), "On the Vorticity Dynamics of a Turbulent Jet in a Crossflow", J. Fluid Mechanics, vol. 168, 393-413.

Lewellen, W. S., and R. I. Sykes, (1986), "Final Report on Turbulent Transport Modeling in 2-Phase Flow", ARAP Report 590, for EXXON (JJD8511.19).

Sykes, R. I., W. S. Lewellen, and S. F. Parker, (1986), "A Guassian plume model of atmospheric dispersion based on second-order closure", J. Climate and Applied Met., 25, 322-331.

Hicks, B. B., W. S. Lewellen, and J. C. Weil, (1985), "Review Comments: Atmospheric Components of the Oak Ridge UF₆ Dispersion Model", NOAA ATDL 85/11.

Lewellen, W. S., (1985), "Modeling Turbulent Exchange in Forest Canopies", The Forest - Atmosphere Interaction, Edited by G. Hutchison, 481-499.

Lewellen, W. S., R. I. Sykes and S. F. Parker, (1985), "Comments on Scalar Diffusion in the Convective Boundary Layer", J. Atmos. Sci., 24, 1084-1085.

Lewellen, W. S., and R. I. Sykes, (1985), "An Evaluation Technique Which Uses the Prediction of Both Concentration Mean and Variance", Proc. of the DOE/AMS Air Pollution Model Evaluation Workshop, October, 1984, duPont Savannah River Lab. Rep. DP-1701-1, edited by A. H. Weber and A. J. Garrett.

Sykes, R. I., W. S. Lewellen, and S. F. Parker, (1984), "A Turbulent-Transport Model for Concentration Fluctuations and Fluxes", J. Fluid Mech., 139, 193-218.

Lewellen, W. S., A. K. Varma and Y. P. Sheng, (1983), "Dry Deposition Model Sensitivity", Precipitation Scavenging, Dry Deposition, and Resuspension, Elsevier Science Publishing Co., Pruppacher et al., Editors, vol. 2.

Lewellen, W. S., and R. I. Sykes, (1983), "On the Use of Concentration Variance Prediction as a Measure of Natural Uncertainty in Observed Concentration Samples", Proceedings of the AMS 6th Symposium on Turbulence and Diffusion, Boston, MA, March 22-25, 47-50.

Lewellen, W. S., R. I. Sykes and S. F. Parker, (1983), "Comparison of the 1981 INEL Dispersion Data With Results From a Number of Different Models", ARAP Report 505, for Nuclear Regulatory Commission NUREG/CR-4159.

Lewellen, W. S., A. K. Varma and Y. P. Sheng, (1983), "Uncertainties Involved in Deposition Modeling", ARAP Report 504, for Nuclear Regulatory Commission NUREG/CR-4158.

Sykes, R. I., and W. S. Lewellen, (1982), "A Numerical Study of Breaking Kelvin-Helmholtz Billows Using a Reynolds-Stress Turbulence Closure Model," J. Atmos. Sci., 39, 1506-1520.

Lewellen, W. S., and R. I. Sykes, et al, (1982), "A Scientific Critique of Available Dispersion Models for Real-Time Simulations of Dispersion", ARAP Report 472, for Nuclear Regulatory Commission NUREG/CR-4157.

Cerasoli, C. P., W. S. Lewellen, and R. I. Sykes, (1981), "Thunderstorm Environment Model", ARAP Report 462, for Singer/Link Division (5S-23630).

Donaldson, C. duP., B. Quinn, W. S. Lewellen, R. D. Sullivan, R. I. Sykes, and A. K. Varma, (1981), "Comparison of the Results of A.R.A.P.'s Second-Order-Closure Model with a Number of Complex Turbulent Flows,¡É ARAP Report TM81-29, Proceedings of 1980-81 AFOSR-HTTM-Stanford Conference on Complex Turbulent Flows: Comparison of Computation and Experiment, Edited by S. J. Kline, E. J. Cantinell and G. M. Lilley.

Lewellen, W. S., (1981), "Modeling the Lowest 1 km of the Atmosphere", AGARDograph # 267, Advisory Group for Aerospace Research and Development, NATO, ISBN 92-835-1407-6, available through NTIS, 81 pages.

Lewellen, W. S., R. I. Sykes and D. A. Oliver, (1981), "The Evaluation of MATHEW/ADPIC as a Real-Time Dispersion Model", ARAP Report 442, for Nuclear Regulatory Commission NUREG/CR-2199.

Lewellen, W. S., (1980), "Transport of Water Vapor Through the Atmospheric Boundary Layer", Atmospheric Water Vapor, edited by A. Deepak, et al., 526-550.

Lewellen, W. S., and Y. P. Sheng, (1980), "Modeling Tornado Dynamics", for Nuclear Regulatory Commission NUREG/CR-1585.

Lewellen, W. S., and Y. P. Sheng, (1980), "Modeling of Dry Deposition of SO₂ and Sulfate Aerosols", ARAP Rep. 376 for Electric Power Research Institute, EPRI EA-1452.

Lewellen, W. S., M. E. Teske and Y. P. Sheng, (1980), "Wind and Pressure Distributions in a Tornado", Wind Engineering, vol. 1, J. E. Cermak, Editor, Pergamon Press, pp. 121-132.

Lewellen, W. S., M. E. Teske and Y. P. Sheng, (1979), "Micrometeorological Applications of a Second-Order Closure Model of Turbulent Transport", Turbulent Shear Flows 2, Imperial College, London, July 2-4, 366-378.

Lewellen, W. S., M. E. Teske and H. Segur, (1978), "Turbulence Modeling Applied to Buoyant Plumes", EPA-100/4-78-050.

Lewellen, W. S., A. K. Varma and H. Segur, (1978), "Modeling Two-Phase Flow in a Swirl Combustor", Fluids Engineering in Advanced Energy Systems, ASME, C. H. Marston, editor, 183-197.

Lewellen, W. S., M. E. Teske, and H. Segur, (1978), "Turbulent Transport Model of Wind Shear in Thunderstorm Gust Fronts and Warm Fronts", NASA CR-3002.

Teske, M. E. , and W. S. Lewellen, (1978), "The Prediction of Turbulence and Wind Shear Associated with Thunderstorm Gust Fronts," Proceedings of the AIAA Conf. on Atmos. Environment of Aerospace Systems and Applied Meteorology.

Oliver, D. A., W. S. Lewellen, and G. G. Williamson, (1978), "The Interaction Between Turbulent and Radiative Transport in the Development of Fog and low-Level Stratus", J. Atmos. Sci., 35, 301-316.

Lewellen, W. S., (1977), "Influence of Body Forces on Turbulent Transport Near A Surface", J. Appl. Math & Phys., (ZAMP) vol. 28, 825-834.

Lewellen, W. S., and M. E. Teske, (1977), "Turbulent Transport Model of Low-Level Winds in a Tornado", for NRC (AT(49-24)-0218), Proceedings of the AMS 10th Conference on Severe Local Storms, October, Ohaha, 291-298.

Lewellen, W. S., and M. E. Teske, (1977), "Turbulent transport Model of a Thunderstorm Gust Front", Proc. of the AMS 10th Conf. on Severe Local Storms, 143-150.

Lewellen, W. S., (1977), "Use of Invariant Modeling", Handbook of Turbulence, W. Frost and T. H. Moulden, editors, 1, Plenum Publishing, 237-280.

Lewellen, W. S. and M. E. Teske, (1977), "Reply to Comments on Second-Order Closure Modeling of Diffusion in the Atmospheric Boundary Layer", J. Boundary-Layer Meteorology, 11, 385-386.

Williamson, G. G., W. S. Lewellen, and M. E. Teske, (1977), "Model Predictions of Wind and Turbulence Profiles Associated with an Ensemble of Aircraft Accidents", for NASA/MSFC (NAS8-32037), NASA CR-2884.

Lewellen, W. S., (1976), "Theoretical Models of the Tornado Vortex", Proceedings of the Symposium on Tornadoes: Assessment of Knowledge and Implications for Man, June 22-24, Texas Tech. Univ. 107-143.

Lewellen, W. S. and M. E. Teske, (1976), "Example Calculations of Atmospheric Dispersion Using Second-Order Closure Modeling", Proceedings of the Third Symposium on Atmospheric Turbulence, Diffusion, and Air Quality, Raleigh, NC, October 19-22, 149-154.

Lewellen, W. S., and M. E. Teske, (1976), "Atmospheric Pollutant Dispersion Using Second-Order Closure Modeling of the Turbulence", Proceedings of the conference on Environmental Modeling and Simulation, April 19-22, Cincinnati, OH, 714-718.

Lewellen, W. S., M. E. Teske and C. duP. Donaldson, (1976), "Variable Density Flows Computed by a Second-Order Closure Description of Turbulence", AIAA Journal, 14, No. 3 382-387.

Lewellen, W. S. and M. E. Teske, (1976), "Second-Order Closure Modeling of Diffusion in the Atmospheric Boundary Layer", J. Boundary-Layer Meteorology, 10, 69-90.

Lewellen, W. S. and G. G. Williamson, (1976), "Wind Shear and Turbulence Around Airports, Parts 1 and 2", NASA CR-2752.

Lewellen, W. S., G. G. Williamson, and M. E. Teske, (1975), "Estimates of the Low-Level Wind Shear and Turbulence in the Vicinity of Kennedy Int'l. Airport on June 24, 1975", NASA CR-2751.

Lewellen, W. S., C. duP. Donaldson and M. E. Teske, (1974), "Turbulence Model of Dirunal Variations in the Planetary Boundary Layer", Proceedings of the Heat Transfer and Fluid Mechanics Institute, L. R. Davis and R. E. Wilson, editors, Stanford University Press, 301-319.

Lewellen, W. S., M. E. Teske and C. duP. Donaldson, (1974), "Application of Turbulent Model Equations to Axisymmetric Wakes", AIAA Journal, 12, May, 620-625.

Lewellen, W. S., and M. E. Teske, (1973), "Prediction of the Monin-Obukhov Similarity Functions from an Invariant Model of Turbulence", J. Atmos. Sci., 30, 1340-1345.

Kantha, H. L., W. S. Lewellen, and F. Durgin, (1972), "Response of a Trailing Vortex to Axial Injection into the Core", J. of Aircraft, 9, 254-256, March.

Lewellen, W. S., D. B. Stickler, C. K. W. Tam, P. J. Cox and P. W. Jones, (1971), "Two-Phase Vortex Investigation Related to the Colloidal Core Nuclear Reactor", Proceedings of the 2nd Symposium on Uranium Plasmas: Research and Applications, November 15-17, Atlanta, GA.

Carrol, J. J., G. W. Felsing, J. D. Mockenhaupt, E. A. Sheridan and W. S. Lewellen, (1971), "Design and Development of a Fluidic Chamber Pressure Control Subsystem for the NERVA Engine", J. of spacecraft and Rockets, 8, 966-970.

Lewellen, W. S., (1971), "A Review of Confined Vortex Flows", NASA CR-1772, July.

Walsh, R. F., W. S. Lewellen, and D. B. Stickler, (1970), "Investigation of a Solid Propellant Rocket Motor Modulated by a Fluid Vortex Valve", J. of Spacecraft and Rockets, 8, 77-79.

Tam, C. K. W., D. B. Goracke and W. S. Lewellen, (1970), "Stability Consideration for a Transparent Wall in a Gaseous Nuclear Rocket", Proceedings of the Symposium on Research on Uranium Plasmas and their Technological Application, held at U. of Florida, January.

Lewellen, W. S., (1969), "Discussion of Potential Vortex Flow Adjacent to a Stationary Surface", ASME J. of Applied Mech., 36, Series E, 374-475.

Lewellen, W. S., W. J. Burns and H. J. Strickland, (1969), "Transonic Swirling Flow", AIAA Journal, 7, 1290-1297.

Rott, N. and W. S. Lewellen, (1967), "Boundary Layers Due to the Combined Effects of Rotation and Translation", Physics of Fluids, 10, 1867-1873.

Mirels, H. and W. S. Lewellen, (1967), "Hypersonic Viscous Interaction Theory for Wedge Wings", J. of Spacecraft and Rockets, 4, 492-497.

Lewellen, W. S., and H. Mirels, (1966), "Optimum Lifting Bodies in Hypersonic Viscous Flow", AIAA Journal, 4, 1866-1868.

Lewellen, W. S., (1966), "Analytic Solution for Fluid Stratification in a Gyroscope", J. of Spacecraft and Rockets, 3,1348-1250.

Rott, N. and W. S. Lewellen, (1966), "Boundary Layers and Their Interactions in Rotating Flows", Progress in Aeronautical Sciences, 7, Pergamon Press, 111-144.

Rott, N. and W. S. Lewellen, (1966), "Boundary Layers in Rotating Flows", Proceedings of the 11th Int'l. Congress of Applied Mechanics, September, Munich, Germany, Springer-Verlag Press, 1030-1036.

Lewellen, W. S., D. H. Ross and M. L. Rosenzweig, (1966), "Binary Diffusion in a Confined Vortex", AIAA Journal, 4, 396-405, March.

Rott, N. and W. S. Lewellen, (1965), "Some Examples of Rotating Boundary Layers", Recent Developments in Boundary Layer Research, AGARDograph 97, May.

Rosenzweig, M. L. and W. S. Lewellen, (1965), "Vortices and Vortex Matrices", Proceedings of an Advanced Nuclear Propulsion Symposium, Los Alamos Scientific Laboratory Report L-3227-MA, edited by R. S. Cooper.

Lewellen, W. S., (1965), "Linearized Vortex Flows", AIAA Journal, 3, 91-100.

Rosenzweig, M. L., W. S. Lewellen, and D. H. Ross, (1964), "Confined Vortex flows with Boundary Layer Interaction", AIAA Journal, 2, 2127-2135.

King, W. S. and W. S. Lewellen, (1964), "Boundary Layer Similarity Solutions for Rotating Flow with and without Magnetic Interaction", Physics of Fluids, 7, 1674, October.

Lewellen, W. S., and W. S. King, (1963), "The Boundary Layer of a Conducting Vortex Flow over a Disk with an Axial Magnetic Field", Developments in Mechanics (Proceedings of the 8th Midwestern Mechanics Conference, Cleveland, OH, April.

Lewellen, W. S., (1962), "Comment on Flow of an Incompressible Fluid in a Hydro-Magnetic Capacitor," The Physics of Fluids, 5, December.

Lewellen, W. S., (1962), "A Solution for Three-Dimensional Vortex Flows with Strong Circulation," J. of Fluid Mechanics, 14, 420, November.

Rosenzweig, M. L., D. H. Ross and W. S. Lewellen, (1962), "On Secondary Flows in Jet-Driven Vortex Tubes," J. Aerospace Sci., 29, 1142, September.

Lewellen, W. S., and W. R. Grabowsky, (1962), "Nuclear Space Power Systems Utilizing Magnetohydrodynamic Vortices," ARS Journal, 32, 693, May.

Rosenzweig, M. L., W. S. Lewellen, and J. K. Kerrebrock, (1961), "Feasibility of Turbulent Vortex Containment in the Gaseous Fission Rocket," ARS Journal, 31, 837, July.

Lewellen, W. S., (1960), "Magnetohydrodynamically Driven Vortices," Proc. of the Heat Transfer and Fluid Mechanics Institute, Stanford U. Press, 1-15.

Last updated: Jul. 30, 2007