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Dr. Robert L. Ash

 

Professor and Eminent Scholar
Phone: 757-683-4914
Fax: 757-683-3200

Research: Space Systems

Lab: Engine Laboratory

Dr. Ash's Resume
rash@odu.edu

 

Born

Holton, Kansas 1941
Married to: Mary Lewis Webb Ash, two daughters, both out of college, as of May 1993.

Education

B.S.M.E.Kansas State University, 1963
M.S.Tulane University 1966
Ph.D.Tulane University 1968

Academic Experience

Old Dominion University, Norfolk, Virginia
Professor since 1976. Designated an Eminent Professor in 1982 and an
Eminent Scholar in 1989.
Associate Professor, 1970--1976
Assistant Professor, 1967--1970

Jet Propulsion Laboratory, California Institute of Technology
National Research Council, Senior Resident Research Associate 1977--1979
National Aeronautics and Space Administration
NASA-ASEE Fellow, NASA Langley Research Center, Summers 1968, 1969

Engineer, NASA Lewis Research Center, Summer 1963.
Visiting Distinguished Research Engineer, NASA Langley Research Center,
1992-1993

Administrative Experience

2002-present, Interim Vice President
1995�1999, 2001-2002 Associate Vice President for Research, Economic Development
and Graduate Studies, Old Dominion University.

1984--�1993 Chairman, Mechanical Engineering and Mechanics Department, Old
Dominion University.

1983�84 Acting Dean of Engineering, Old Dominion University.

Consulting Experience

I have consulted on a variety of litigation cases (averaging less than
one case per year). I have been a consultant for Gilbarco Corporation
(gas station pump manufacturer), Clark Nexsen, Architecture and Engineering (consulting engineers), Mercer University (forming an engineering
school), Jet Propulsion Laboratory, NASA and SAIC (space systems) and
the Navy (flow induced vibrations).

Registered Professional Engineer


Commonwealth of Virginia, No. 9169

Honors and Awards

Charles T. Main Award of the American Society of Mechanical Engineers,
1963

Who's Who in Engineering

NASA Group Achievement Award (Turbulent Drag Reduction) 1983 (Student
Balloon Flight Program) 1996

NASA Tech Briefs (1977, 1980, 1983, 1995)

Professional Engineer of the Year in Tidewater, Virginia 1990

Pletta Medal, presented by the Virginia Society of Professional
Engineers to the Outstanding Engineering Faculty Member in Virginia
1993.

Outstanding Faculty Awards at Old Dominion University
Outstanding Engineering Faculty Award: 1970 and 1972
Outstanding Mechanical Engineering Faculty Award: 1972, 1975, 1980, 1982
and 1989.

Honor Societies: Phi Kappa Phi, Pi Tau Sigma, Sigma Tau, Sigma Xi, Tau
Beta Pi

Professional Societies and Activities

National

National Research Council, Space Studies Board Committee on Microgravity
Research, 1996--1999

American Institute of Aeronautics and Astronautics, Associate Fellow
Atmospheric Environment Technical Committee 1995--2001
Thermophysics Technical Committee, 1995--2001

American Society of Mechanical Engineers, Member
Faculty Advisor, ODU Student Chapter 1980--81

American Society for Engineering Education, Member

National Society of Professional Engineers, Member
Chairman, Scholarship Committee, Virginia Society of Professional
Engineers, Tidewater Chapter, 1989--90.

Society for Natural Philosophy

Society of Automotive Engineers, Member

Regional

Cofounder and Member, Cooperating Hampton Roads Organizations for
Minorities in Engineering (CHROME). Founded in 1983, affiliated with
NACME and SECME, involving 26 school districts.

Engineer's Club of Hampton Roads
Educational Foundation 1970--77, 1990--1994
Board of Directors 1987--1993
Secretary-Treasurer 1988--89
Vice President 1989--90
President Elect 1990--91
President 1991--92

Advisory Boards

City of Norfolk, Energy Task Force, 1980--82

NASA/DOD Working Group on Manned Mars Missions, 1985--86

Board of Advisors, NASA Center for the Utilization of Local Planetary
Resources, University of Arizona, 1988--1994 (Chairman, 1993--1994)

Advisory Committee, Virginia Space Grant Consortium, 1989--present
Chairman of Advisory Council, 1992�present

Board of Trustees, Southeastern Universities Research Association (SURA), 1995-1999, 2000-present

Board of Trustees, Oak Ridge Associated Universities (ORAU), 1999-present

Noteworthy Service to Old Dominion University

Faculty Senate 1969--70, 1994--95
Associate Vice President for Research, Search Committee, 1976

Vice President for Academic Affairs, Search Committee, 1979--80

Vice President for Academic Affairs, Search Committee (Chair), 1982--83

University Tenure and Promotion Committee, 1971--76, 1979--81, 1994--95.

Faculty Grievance Committee (Chair), 1982--83

Community Service

Norfolk Rotary Club
Board of Directors, 1988�1995, 2001-2002.
Sergeant-at-arms, 1989--90
Secretary-Treasurer 1990--91
Vice President 1991--92
President Elect 1992--93
President 1993�94

SCHOLARLY ACTIVITIES COMPLETED

Books and Book Chapters

Viskanta, R., et al, Microgravity Research in Support of Technologies for the Human Exploration and Development of Space and Planetary Bodies, Space Studies Board, National Research Council, National Academy Press, Washington, D.C., 2000.

Ash, R.L. and M. R. Khorrami, "Vortex Stability," in Fluid Vortices, edited by S. I. Green, Kluwer Academic Publishers, Dordrecht, The Netherlands, Chapter VIII, pgs. 317-372, 1995.

Journal Articles

Kochersberger, K., Ash, R.L., Britcher, C.P. and Landman, D., �An Evaluation of the Wright 1901 Glider using Full-Scale Wind Tunnel Data�, Journal of Aircraft, Vol. 40, No. 3., pp. 417-424, 2003.

Miley, S.J., Ash, R.L., Hyde, K.W., Landman, D., and Sparks, A.K., �Propeller Performance Tests of Wright Brothers� �Bent End� Propellers�, Journal of Aircraft, Vol. 39, No. 2, pp. 234-241, 2002.

Landman, D., Blackburn, S., Ash, R.L. and Hyde, K.W., �Wind Tunnel Testing of the Wright Brothers� Model B Airfoil�, Journal of Aircraft, Vol. 39, No. 1, pp. 30-36, 2002.

Sparks, A.K. and Ash, R.L., �Only the Wright Stuff!�, AIAA Student Journal, Vol. 38, No. 4, pp. 6-9, 2001.

Ash, R. L. and Z. C. Zheng, "Numerical Simulations of Commercial Aircraft Wakes Subjected to Airport Surface Weather Conditions," Journal of Aircraft, Vol. 35, pp 18-26, 1998.

Wu, D., R. A. Outlaw and R. L. Ash, "Extraction of Oxygen from CO2 Using Glow?Discharge and Permeation Techniques," Journal of Vacuum Science and Technology A, Vol. 14. pp 408-414, 1996.

Zheng, Z. C. and R. L. Ash, "A Study of Aircraft Wake Vortex Behavior near the Ground," AIAA Journal, Vol. 34, No. 3, pp. 580-589, 1996.

Ash, R. L., D. Wu and R. A. Outlaw, "A Study of Glow?Discharge and Permeation Techniques for Extraterrestrial Oxygen Beneficiation," Advances in Space Research, Vol. 14, No. 6, pp. 259-263, 1994.

Wu, D., R. A. Outlaw and R. L. Ash, "Glow?Discharge Enhanced Permeation of Oxygen through Silver," Journal of Applied Physics, Vol. 74, No. 8, pp. 4990-4994, 1993.

Ash, R. L., P. J. O'Donoghue, E. J. Chambers and J. P. Raney, "A Methodology for Selective Removal of Orbital Debris," 43rd World Space Congress, Washington, D.C., COSPAR Paper, September 1992, Advances in Space Research, Vol. 13, No. 8, pp. 243-247, 1993.

Huang, J.?K.., M.?T. Ho, and R. L. Ash, "Expert Systems for Automated Maintenance of a Mars Oxygen Production System," Journal of Spacecraft and Rockets, Vol. 29, No.4, pp. 425-431, 1992.

Bandyopadhyay, P. R., J. E. Riester, Jr. and R. L. Ash, "Helical?Perturbation Device for Cylinder?Wing Vortex Generators," AIAA Journal, Vol. 30, No. 4, pp. 988?992, 1992.

Albertson, C. W. and R. L. Ash, "Compressible Equilibrium Turbulent Boundary Layers at Nonadiabatic Wall Conditions," AIAA Journal, Vol.29, No.10, pp. 1573?1580, 1991.

Spall, R. E., T. B. Gatski and R. L. Ash, "The Structure and Dynamics of Bubble?type Vortex Breakdown," Proceedings of the Royal Society of London, Series A, Vol. 429, pp. 613?637, 1990.

Ramohalli, K. N., E. A. Lawton and R. L. Ash, "Recent Concepts in Missions to Mars: Extraterrestrial processes," Journal of Propulsion and Power, Vol. 5, pp. 181?187, 1989.

Khorrami, M. R., M. R. Malik, and R. L. Ash, "Application of Spectral Collocation Techniques to the Stability of Swirling Flows" Journal of Computational Physics, Vol. 81, pp. 206?229, 1989.

Daryabeigi, K., R. L. Ash and L. A. Dillon?Townes, "Influence of Ventilated Shrouds on the Convection Heat Transfer to a Circular Cylinder," International Journal of Heat and Mass Transfer, Vol. 30, No. 8, pp. 1685?1692, 1987.

Ramohalli, K. N., W. L. Dowler, J. R. French, and R. L. Ash, "Novel Extraterrestrial Processing for Space Propulsion", Acta Astronautica, Vol. 15, No. 5, pp. 259?273, 1987.

Ramohalli, K., W. Dowler, J. French and R. L. Ash, "Some Aspects of Space Propulsion with Extraterrestrial Resources," Journal of Spacecraft and Rockets, Vol. 24, No. 3, pp 236?244, May?June 1987.

Lin, J. C. and R. L. Ash, "Wall Temperature Control of Low?Speed Body Drag, Journal of Aircraft, Vol. 23, No. 1, pp. 93?94, 1986.

Pandey, D. K., L. A. Dillon?Townes, and R. L. Ash, "Response Time Correlations for Platinum Resistance Thermometers," ISA Transactions, Vol. 31, pp. 587?597, May 1985.

Cuda, V. Jr. and R. L. Ash, "Development of a Uniaxial Ice Tensile Specimen for Low Temperature Testing," Cold Regions Science and Technology, Vol. 9, pp. 47?52, 1984.

Ash, R. L., M. L. Stancati, J. C. Niehoff and V. Cuda, Jr., "Outer Planet Satellite Return Missions Using In Situ Propellant Production," XXXI Congress, International Astronautical Federation, Tokyo, Japan, Sept., 21?28, 1980, IAF Paper No. 80�G?296. Acta Astronautic, Vol. 8, pp 511?526, 1981. (Acknowledged by Arthur C. Clarke in 2010, Odyssey II)

Wilkins, C. A. and R. L. Ash, "An Apparatus for Measuring the Thermal Conductivity of Cast Insulation Materials," Review of Scientific Instruments, Vol. 51, No. 7, pp. 998?1000, July 1980.

Ash, R. L., W. L. Dowler and G. Varsi, "Feasibility of Rocket Propellant Production on Mars," Acta Astronautica, Vol. 5, pp. 705?724, 1978.

Bushnell, D. M., J. N. Hefner and R. L. Ash, "Effect of Compliant Wall Motion on Turbulent Boundary Layers," presented at the I.U.T.A.M. Symposium on Structure of Turbulence and Drag Reduction, June 7?11, 1976, Washington, D.C., Physics of Fluids, Vol. 20, No. 10, Part II, pp.
S31?S58, 1977.

Drummond, J. P., R. A. Jones and R. L. Ash, "Effective Thermal Property Improves Phase Change Paint Data," AIAA Journal, Vol. 14, No. 10, pp. 1476?1478, 1976.

Weinstein, L. M., M. C. Fischer and R. L. Ash, "Experimental Verification of Turbulent Skin Friction Reduction with Compliant Walls," AIAA Journal, Vol. 13, No. 7, pp. 956?958, 1975.

Ash, R. L. and G. R. Crossman, "Influence of Temperature Dependent Properties on a Step?Heated Semi?Infinite Solid," Trans. ASME, Series C, Journal of Heat Transfer, Vol. 93, pp. 250?253, 1971.

Ash, R. L., W. T. Weller and R. E. Wright, Jr., "Sources of Error in Vacuum Calibration of Heat Flux Sensors," Review of Scientific Instruments, Vol. 41, No. 7, pp. 1112?1114, 1970.

Ash, R. L. and J. H. Heinbockel, "Note on Heat Transfer in Laminar, Fully Developed Pipe Flow with Axial Conduction," Zeitschrift fur Angewandt Mathematik und Physik, Vol. 21, No. 2, pp. 266?269, 1970.

Ash, R. L., "An Analysis of the Response Characteristics of Thin Foil Heat Flux Sensors," AIAA Journal, Vol. 7, No. 12, pp. 2332?2335, 1969.


Published Proceedings

Zheng, Z. C., R. L. Ash and G. C. Greene, "A Study of the Influence of Cross Flow on the Behavior of Aircraft Wake Vortices near the Ground" Proceedings of the 19th Congress of the International Council on the Aeronautical Sciences, Anaheim, CA, Vol. 2, pp. 1649?1659, Sept. 1994.

Zheng, Z. and R. L. Ash, "Prediction of Turbulent Wake Vortex Motion Near the Ground" ASME Fluids Engineering Conference, Washington, D.C., Transitional and Turbulent Compressible Flows, edited by L. D. Kral and T. A. Zang, ASME FED vol. 151, pp. 195?207, June 1993.

Ash, R. L., D. Wu and R. A. Outlaw, "A Study of Glow?Discharge and Permeation Techniques to Separate Oxygen from Martian Atmosphere," World Space Congress, Washington, D.C., COSPAR Paper No. E.4-5.4.05X, September 1992.

Zheng, Z. and R. L. Ash, "Viscous Effects on a Vortex Wake in Ground Effect" Proceedings of the Federal Aviation Administration International Wake Vortex Symposium, Washington, D.C., Oct.1991, pp. 31?1 to 31?30, June 1992.

Puram, C. K. and R. L. Ash, "An Experimental Study of an Axisymmetric Turbulent Boundary Layer Perturbed by a Periodic Free Stream," Forum on Unsteady Flow?1990, edited by P. H. Rothe, ASME Special Publication, FED?Vol. 102, pp. 53?56, 1990

Turner, T. L. and R. L. Ash, "Analysis of the Thermal Environment and Thermal Response Associated with Thermal?Acoustic Testing," Proceedings of the AIAA/ASME/ASCE/AHS/ASC 31st Structures, Structural Dynamics and Materials Conference, Long Beach, CA, April 1990, pp. 824?830, 1990.

Ash, R. L. and D. J. Stead, "Influence of Free Stream Turbulence on a Trailing Line Vortex," Proceedings of the Third International Congress of Fluid Mechanics, Cairo, Egypt, Vol. 1, pp. 345?358, Jan. 1990.

Ash, R. L., J. A. Werne and M. B. Haywood, "Design of a Mars Oxygen Processor," The Case for Mars III, edited by C. Stoker, AAS Science and Technology Series, Vol. 75, pp 479?487, 1989.

Daryabeigi, K., R. L. Ash and M. P. Etheridge, "The Influence of Slotted Shrouds on Convective Heat Transfer to an Inner Circular Cylinder," in Symposium on Fundamentals of Forced Convective Heat Transfer, edited by M. A. Ebadian and J. L. S. Chen, A.S.M.E. Special Publication HTD?Vol. 101, pp. 147?152, 1988.

Ash, R. L., M. A. Wiseman and C. C. Jackson, "Radiator Design Considerations for Martian Surface Applications" in Radiation, Phase Change Heat Transfer, and Thermal Systems, edited by Y. Jaluria et al, A.S.M.E. Special Publication HTD?Vol. 81, pp. 85?94, 1987.

Ash, R. L., "Chemical Production Using In Situ Propellant Production Technology." Proceedings of the NASA, Los Alamos Manned Mars Mission Workshop, Huntsville, AL, June 1985, pp. 377?385, 1986.

Wall, R. H., P. Tcheng and R. L. Ash, "The Development of a Microcomputer Controlled, Linearly Actuated Valve Assembly," 25th International Symposium on Applications of Microcomputers, New York, N.Y., Oct. 22?24, pp. 1?4, 1984.

Wilkinson, S. P., R. L. Ash and L. M. Weinstein, "Hybrid Suction Surface for Turbulent Boundary Layer Flow," Viscous Flow Drag Reduction, edited by D.M. Bushnell and J. N. Hefner, Progress in Astronautics and Aeronautics, Vol. 72, pp. 233-248, 1984.

Stancati, M. L., J. C. Niehoff, W. C. Wells, H. Feingold and R. L. Ash, "In Situ Propellant Production for Improved Sample Return Mission Performance," AAS/AIAA Astronautics Conference, Provincetown, Mass., June 25?27, 1979, AAS Paper No. 79?177. Astrodynamics 1979, Vol. 40, Advances in the Astronautical Sciences, pp. 909?921, 1980.

Balasubramanian, R. K., A. M. Cary, D. M. Bushnell and R. L. Ash, "Influence of Transverse Surface Waves on a Turbulent Boundary Layer," 5th Biennial Symposium on Turbulence in Liquids, Rolla, Missouri, pp. 141?153, Oct. 1977.

Bushnell, D. M., J. N. Hefner and R. L. Ash, "Effect of Compliant Wall Motion on Turbulent Boundary Layers," Special Course on Concepts for Drag Reduction, Rhode?St..?Genese, Belgium, AGARD Report No. 654, pp. 9?1 to 9?26, June 1977.

Ash, R. L., D. M. Bushnell, L. M. Weinstein and R. Balasubramanian, "Compliant Wall Surface Motion and Its Effect on the Structure of a Turbulent Boundary Layer," 4th Biennial Symposium on Turbulence in Liquids, Rolla, Missouri, pp. 220?243, Sept. 1975.

Pesko, R. N., R. L. Ash, S. G. Cupschalk and E. F. Germain, "Theory and Performance of Plated Thermocouples," Temperature: Its Measurement and Control in Science and Industry, Instrument Society of America, Vol. 4, Part 3, pp. 2009?2015, 1972.

Ash, R. L., G. R. Crossman and R. V. Chitnis, "Catalytic Considerations in Temperature Measurement," Temperature: Its Measurement and Control in Science and Industry, Instrument Society of America, Vol. 4, Part 3, pp. 1663?1670, 1972.

Magazine Article

Ash, R.L., C.P. Britcher and K.W. Hyde, �Prop Wright�, Mechanical Engineering Magazine, 100 Years of Flight, Special Publication, pp. 11-15, pg. 39, November-December, 2003.

Referable National or International Conference Papers

Britcher, C.P., Landman, D., Ash, R.L., Kochersberger, K., and Hyde, K.W., �An Analysis of the Flight Performance of the 1903 �Flyer� based on Full-Scale Wind Tunnel Data� Presented at the AIAA 42nd Aerospace Sciences Meeting, Reno, NV, Jan. 2004. AIAA Paper No. 2004-0104.

Ash, R.L., Bobbitt, P.J., and Hyde, K.W., �A Combined Numerical and Experimental Investi-gation of the Wright Brothers� Propeller Designs between 1903 and 1911� Presented at the AIAA 41st Aerospace Sciences Meeting, Reno, NV, Jan. 2003. AIAA Paper No. 2003-0098.

Kochersberger, K., Landman, D., Ash, R.L., Player, J. and Hyde, K.W., �An Evaluation of the Wright 1902 Glider Using Full Scale Wind Tunnel Data� Presented at the AIAA 41st Aerospace Sciences Meeting, Reno, NV, Jan. 2003. AIAA Paper No. 2003-0096.

Kochersberger, K., Ash, R.L., Britcher, C.P., Landman, D., and Sandusky, R. R., Jr., �An Evaluation of the Wright 1901 Glider Using Full Scale Wind Tunnel Data�, presented at the 40th AIAA Aerospace Sciences Meeting, Reno, NV, 2002. AIAA Paper No. 2002-1134.

Ash, R.L., Miley, S.J., Landman, D., and Hyde, K.W., "Wilbur and Orville Wright and the Evolution of Efficient Aircraft Propellers", presented at the 2001 International American Society of Mechanical Engineering Congress, New York, NY, November 14, 2001.

Britcher, C.P., Ash, R.L., and Hyde, K. W., "Analysis of Wright Flyer Flight Number 4, December 17, 1903", presented at the International Flight Symposium: They Taught the World to Fly: The Wright Brothers and the Age of Flight, Raleigh NC, Oct. 24, 2001.

Ash, R.L., Miley, S.J., Landman, D., and Hyde, K.W., "Evolution of Wright Flyer Propellers between 1903 and 1912", Presented at the 39th AIAA Aerospace Sciences Meeting, Reno, NV, Jan. 2001. AIAA Paper No. 2001-0309.

Landman, D., Alverez, J., Blackburn, S. and Ash, R.L., "Wind Tunnel Testing of the Wright Brothers Model B Airfoil", Presented at the 39th AIAA Aerospace Sciences Meeting, Reno, NV, January 2001. AIAA Paper No. 2001-0310.

Ash, R.L., Miley, S.J., Hyde, K.W. and Landman, D., �Propeller Performance of Wright Brothers� �Bent End� Propellers�, Presented at the 36th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Huntsville, AL, July 2000. AIAA Paper No. 2000-3152.

Vuskovic, L., R. L. Ash, Z. Shi, S. Popovic and T. Dinh, "Radio?Frequency?Discharge Reaction Cell for Oxygen Extraction from Martian Atmosphere," Presented at the 27th International Conference on Environmental Systems, Lake Tahoe, NV, July 1997. SAE Paper No. 972499.

Shi, Z., D. Wu and R.L.Ash, "An Investigation of Radio Frequency Enhanced Glow Discharge Production of Oxygen from Carbon Dioxide," Presented at the 26th International Conference on Environmental Systems, Monterey, CA, July 1996. SAE Paper No. 961598.

Ash, R. L., and Z. C. Zheng, "Numerical Simulation of Commercial Aircraft Wakes Subjected to Airport Surface Weather Conditions," Presented at the 34th AIAA Aerospace Sciences Meeting, Reno, NV, Jan. 1996. AIAA Paper No. 96?0660.

Ash, R. L., G. C. Greene and A. J. Zuckerwar, "The Connection between Bulk Viscosity, Stokes' Hypothesis and Molecular Relaxation in Air," Presented at the 12th US National Congress of Theoretical and Applied Mechanics, Seattle, WA, July 1994.

Ash, R. L., Z. C. Zheng and G. C. Greene, "Cross Wind Effects on Turbulent Aircraft Wake Vortices near the Ground," Presented at the 25th AIAA Fluid Dynamics Conference, Colorado Springs, CO, June 1994. AIAA Paper No. 94?2381.

Wu, D., R. L. Ash and R. A. Outlaw, "Glow Discharge Techniques for the Production and Acquisition of Oxygen From the Martian Atmosphere," Presented at the 14th International Conference on Environmental Systems, Friedrichshafen, Germany, June 1994. SAE Paper No. 941254.

Zuckerwar, A. J. and R. L. Ash, "New Constitutive Equation for the Volume Viscosity in Fluids," Presented at the 127th Meeting of the Acoustical Society of America, Cambridge, MA, June 1994. Also NASA TM 109104.

Wu, D., R. L. Ash and R. A. Outlaw, "Extraction of Oxygen from Mars Atmosphere using Glow Discharge and Permeation Techniques," AIAA/SAE/ASME/ASEE 29th Joint Propulsion Conference, Monterey, CA, June 1993. AIAA Paper No. 93?2243.

Ash, R. L., J. E. Riester, Jr. and P. Bandyopadhyay, "A Device for Introducing Helical Perturbations into a Trailing Line Vortex," presented at the AIAA 21st Fluid Dynamics, Plasma Dynamics and Lasers Conference, Seattle, WA, June 1990. AIAA Paper No. 90?1627.

Bandyopadhyay, P. R., D. J. Stead and R. L. Ash, "The Organized Nature of a Turbulent Trailing Line Vortex," presented at the AIAA 21st Fluid Dynamics, Plasma Dynamics and Lasers Conference, Seattle, WA, June 1990. AIAA Paper No. 90?1625.

Albertson, C. and R. L. Ash, "Evaluation of Equilibrium Turbulence for a Naturally Developing Hypersonic Boundary Layer at Non?Adiabatic Wall Conditions," presented at the AIAA 16th Aerodynamic Ground Testing Conference, Seattle, WA, June 1990. AIAA Paper No. 90?1410.

Huang, J.?K., Y.?H. Wei, R. L. Ash and M.?T. Ho, "An Expert Systems Approach to Automated Maintenance for a Mars Oxygen Production System," Presented at the SAE/ASME/AIAA/ASMA/AIChE 18th Intersociety Conference on Environmental Systems, San Francisco, July 1988. AIAA Paper No. 88?1056.

Ramohalli, K., R. L. Ash, W. L. Dowler, J. R. French, R. Frisbee and E. Lawton, "Recent Concepts in Missions to Mars: Extraterrestrial Processes," presented at the 37th Congress of the International Astronautical Federation, Innsbruck, Austria, October 1986. IAF Paper No. 86?154.

Ash, R. L., J.?K. Huang, P. B. Johnson and W. E. Sivertson Jr., "Elements of Oxygen Production Systems Using Martian Atmosphere," 22nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Huntsville, Alabama, October 1986. AIAA Paper No. 86?1586.

Daryabeigi, K., L. A. Dillon?Townes, and R. L. Ash, "Thermal Sensing of Cryogenic Wind Tunnel Model Surfaces: Evaluation of Silicon Diodes," presented at the 32nd Instrument Society of America, International Symposium, Seattle, Wash., May 1986. ISA Paper No. 523.

Ramohalli, K., Dowler, W. L., French, J. R., and Ash, R. L., "Novel Extraterrestrial Processing for Space Propulsion," presented at the 36th Congress of the International Astronautical Federation, Stockholm, Sweden, October 1985. IAF Paper No. 85?166.

Daryabeigi, K., E. F. Germain, and R. L. Ash, "Measurement of Convective Heat Transfer to Solid Cylinders Inside Ventilated Shrouds." Presented at AIAA 19th Thermodynamics Conference, Snowmass, Colorado, June 1984. AIAA Paper No. 84?1725.

Ash, R. L., and M. R. Khorrami, "Simulation of Turbulent Wall Pressure Fluctuations for Flexible Surface Response Studies," presented at the AIAA 21st Aerospace Sciences Meeting, Reno, Nevada, Jan. 1983. AIAA Paper No. 83?0292.

Ash, R. L., R. Richter, W. L. Dowler, J. A. Hanson, and C. W. Uphoff, "Autonomous Oxygen Production for a Mars Return Vehicle," presented at the XXXIII Congress, International Astronautical Federation, Paris, France, Sept. 1982. IAF Paper No. 82?210.

Buckingham, A. C., R. C. Chun, R. L. Ash and M. R. Khorrami, "Compliant Material Coating Response to a Turbulent Boundary Layer, presented at the AIAA/ASME Joint Thermophysics, Fluids, Plasma and Heat Transfer Conference, St. Louis, Mo., June 1982. AIAA Paper No. 82?1027.

Frisbee, R. H., C. A. Wilkins, and R. L. Ash, "An Improved Technique for Measuring the Thermal Conductivity of Cast Materials," presented at the AIAA/SAE/ASME 16th Propulsion Conference, 1980, Hartford, Conn., June 1982. AIAA Paper No. 80?1103.

Richter, R., R. L. Ash and W. L. Dowler, "Oxygen Production for Interplanetary Return Missions," presented at the JANNAF Propulsion Conference, Monterey, CA, March 1980.

Stancati, M. L., J. C. Niehoff, W. C. Wells and R. L. Ash, "Remote Automated Propellant Production: A New Potential for Round Trip Spacecraft," presented at the AIAA Conference on Advanced Technology for Future Space Systems, NASA?Langley Research Center, May 1979. AIAA Paper No. 79?0906.

Ash, R. L., "Balloon Concepts for Scientific Investigation of Mars and Jupiter," presented at the AIAA 6th Aerodynamic Decelerator and Balloon Technology Conference, Houston, Texas, March 1979. AIAA Paper No. 79?0419.

Ash, R. L. and R. K. Balasubramanian, "Resonance Phenomena Due to Turbulent Boundary Layer Excitation of Elastic Surfaces," presented at the ASCE National Water Resources and Ocean Engineering Meeting, San Diego, California, April 1976. A.S.C.E. Preprint 2726.

Fischer, M. C., L. M. Weinstein, R. L. Ash and D. M. Bushnell, "Compliant Wall Turbulent Skin Friction Reduction Research," presented at the AIAA 8th Fluid Plasma Dynamics Conference, Hartford, Connecticut, June 1975. AIAA Paper No 75?833.

Ash, R. L. and R. E. Wright, Jr., "Design Considerations for Gardon Heat Flux Sensors," presented at the AIAA 6th Thermophysics Conference, Tullahoma, Tenn., April 1971. AIAA Paper No. 71?740.


Refereed NASA Publications

Turner, T. L. and R. L. Ash, "Numerical and Experimental Analysis of the Heat Flux Produced on a Plane by Quartz Heating Systems," NASA Technical Publication, NASA TP?3387, Jan. 1993.

Daryabeigi, K. and R. L. Ash, "Convective Heat Transfer from Circular Cylinders Located within Perforated Cylindrical Shrouds, NASA Contractor Report, NASA CR?4005, August 1986.

Ash, R. L., "Simulation of Turbulent Wall Pressure," NASA Contractor Report, NASA CR?2958, May 1978.

Ash, R. L., "On the Theory of Compliant Wall Drag Reduction in Turbulent Boundary Layers, "NASA Contractor Report, NASA CR?2387, April 1974.

Fischer, M. C. and R. L. Ash, "A General Review of Concepts for Reducing Skin Friction, Including Recommendations for Future Studies," NASA Technical Memorandum, NASA TM X?2894, March 1974.

Speeches on the Wright Brothers' technical achievements during the past five years*

University of Arizona
Kansas State University
Princeton University
Royal Thai Air Force Academy (Bangkok)
University of Virginia
West Virginia University

AirVenture 2003 (EAA, Oshkosh, WI Annual Fly In)
Fort Wayne, IN, SAE Section
Kitty Hawk, NC (Lectures and News Conference, during Centennial of Flight)
Ohio Aerospace Institute (Joint meeting of SAE and AIAA)
Virginia Air and Space Center (Sigma Lecture and NASA Materials Conference)
Virginia Association of Science Teachers (keynote speech)

*Also appeared in two Discovery Channel programs: Wright Brothers: First in Flight, aired September, 2003 and Return to Kitty Hawk: 100 Years of Flight, aired December 17, 2003.

Teaching Experience

Since 1967, I have taught the following courses

Freshman Level

Introduction to Engineering

Junior Level

Fluid Mechanics
Thermodynamics I and II
Heat and Mass TransferCourses that I either developed or redesigned
Mechanical Engineering Laboratory

Senior Level

Dynamic Systems and Control
Environmental Control
Gas Dynamics
Senior Seminar*
Capstone Design Course*

Graduate Level

Engineering Mathematics I and II
Continuum Mechanics*
Advanced Fluid Dynamics
Compressible Flow
Potential Flow Theory
Boundary Layer Theory
Turbulent Flow*
Conduction Heat Transfer*
Convection Heat Transfer
Radiation Heat Transfer
Solar Energy Design*