ARTLAB

ARTLAB Research Reports

Publications

School of Aerospace Engineering

Ruffin, S.M., Gupta, A. and Marshall, D., “Supersonic Channel-Airfoils for Reduced Drag,” AIAA Journal, Vol. 38, No. 3, Mar., 2000, pp. 480-486.

 

Gupta, A., and Ruffin, S.M., “Aerothermodynamic Design of Supersonic Channel-Airfoils for Drag Reduction,” Journal of Aerospace – SAE 1997 Transactions, Vol. 106, Section I, July, 1997, pp. 1647-1656.

 

Gupta, A., Ruffin, S.M., “Optimal Artificially Blunted Leading Edge (ABLE) Airfoils for Hypersonic Performance Enhancement,” Journal of Spacecraft and Rockets, Vol. 36, No. 4, pp. 499-506, July-Aug., 1999.

 

Gupta, A., Ruffin, S.M., Newfield, M., and Yates, L, “Aerothermodynamic Performance Enhancement and Design of Blunted Sphere-Cones using the ABLE Concept,” Journal of Spacecraft and Rockets, Vol. 37, No. 2, Mar.-Apr. 2000.

 

Josyula, E, Bailey, W.F., and Ruffin, S.M., “Role of Reactive and Non-Reactive Vibrational Energy Exchanges in Nonequilibrium Hypersonic Flows, Physics of Fluids, Vol. 15, No. 10, Oct. 2003.

 

Lee, Jinwook, Orsini, A., and Ruffin, S.M., “Unstructured Cartesian-Grid Methodology for Non-equilibrium Hypersonic Flows,” Submitted to Journal of Thermophysics and Heat Transfer, Aug. 2008.

 

Lee, Jinwook, Rohrschneider, R., Ruffin, S.M., and Braun, R. “Fluid-Structure Analysis of a Clamped Ballute in Titan's Atmosphere,” Submitted to Journal of Spacecraft and Rockets, Aug. 2008.

 

Marshall, D., and Ruffin, S.M., "A New Inviscid Wall Boundary Condition Treatment for Embedded Boundary Cartesian Grid Schemes,” Submitted to AIAA Journal, Jan. 2009.

 

Marshall, D., and Ruffin, S.M., " An Embedded Boundary Cartesian Grid Scheme for Viscous Flows using a New Viscous Wall Boundary Condition Treatment,” Submitted to AIAA Journal, Jan. 2009.

 

Malo-Molina, F., Gaitonde, D., Ebrahimi, H, and Ruffin, S.M., “High Fidelity Flowpath Analysis of a Supersonic Combustor Coupled to Innovative Inward-Turning Inlets,” Submitted to Journal to Spacecraft and Rockets, Feb. 2009..

 

Ruffin, S.M. and Gupta, A., “Supersonic Channel-Airfoils for Reduced Drag,” AIAA Paper 97-0517, January 1997.

 

Newfield, M. and Ruffin, S.M., “Validation of a Nose Channel Concept for Supersonic Drag Reduction,” NASA TM-1998-112216, October 1997.

 

Gupta, A., Ruffin, S.M., “Aerothermodynamic Design of Supersonic Channel-Airfoils for Drag Reduction,” SAE International, World Aviation Congress Paper 97WAC-49, October, 1997.

 

Gupta, A., Ruffin, S.M. and Newfield, M. “Aerothermodynamic Performance Enhancement and Design of Blunted Sphere-Cones using the ABLE Concept,” AIAA Paper 99-0897, January, 1999.

 

Gupta, A. and Ruffin, S.M. “Investigation of Artificially Blunted Leading Edge Geometries with Curved Channels for High Speed Drag Reduction,” AIAA Paper 2000-0901, January, 2000.

 

Tam, T., Ruffin, S., Gage, P., Bogdanoff, D., Yates, Y., Morgenstern, J., “Sonic Boom Testing of Artificially Blunted Leading Edge (ABLE) Concepts in the NASA Ames Aeroballistic Range,” AIAA Paper 2000-1011, January, 2000.

 

Gupta, A., Ruffin, S.M., "Application of the Artificially Blunted Leading Edge Concept for Directional Control of High Speed Vehicles," AIAA Paper 2000-2598, June, 2000.

 

Chen, L, and Ruffin, S.M., "Evaluation of Multi-Element Airfoils for Dynamic Stall Mitigation," AHS Aeromechanics Specialists Meeting, Atlanta, GA, November, 2000.

 

Marshall, D., Aftosmis, M.J., and Ruffin, S.M., "Study of Parallelization Enhancements for Cartesian Grid Solver," International Conf. on Parallel CFD, May, 2002.

 

Tu, Shuangzhang, Ruffin, S.M., "Solution Adaptive, Unstructured Cartesian-Grid Methodology for Chemically Reacting Flows", AIAA Paper 2002-3097, June, 2002.

 

Tu, Shuangzhang, Ruffin, S.M., "Calculation of Nonequilibrium Flows Using a Solution Adaptive, Unstructured Cartesian-Grid Methodology", AIAA Paper 2002-3098, June, 2002.

 

Josyula, E, Bailey, W.F., and Ruffin, S.M., “Role of Reactive and Non-Reactive Vibrational Energy Exchanges in Nonequilibrium Hypersonic Flows, AIAA Paper 2002-3220, June 2002.

 

Ruffin, S.M., O’Brien, D.O., Smith, M.J., Hariharan, N., Lee, J.D., Sankar, L.N, “Comparison of Rotor-Airframe Interaction Predictions Utilizing Overset and Unstructured Grid Techniques AIAA Paper 2004-0046, Jan., 2004.

 

Marshall, D., and Ruffin, S.M., "A New Inviscid Wall Boundary Condition Treatment for Embedded Boundary Cartesian Grid Schemes,” AIAA Paper 2004-0583 Jan. 2004.

 

Marshall, D., and Ruffin, S.M., " An Embedded Boundary Cartesian Grid Scheme for Viscous Flows using a New Viscous Wall Boundary Condition Treatment,” AIAA Paper 2004-0581 Jan. 2004.

 

Duque, E., Sankar, L, Menon, S., Bauchau, O., Ruffin, S., Smith, M., Ahuja, K, Brentner, K, Long, L, Morris, P, Ghandi, F., “Revolutionary Physics-Based Design Tools for Quiet Helicopters” AIAA Paper 2006-1068 Jan. 2006.

 

Malo-Molina, F., Gaitonde, D.V., Ebrahimi, H.B, and Ruffin, S.M., “Analysis of an Innovative Inward Turning Inlet Using an Air-JP8 Combustion Mixture at Mach 7,” AIAA Paper 2006-3041 June 2006.

 

Malo-Molina, F., Gaitonde, D., Ebrahimi, H, and Ruffin, S.M., “Analysis of a Hypersonic Inward Turning Inlet Followed by a TVC Using an Air-Hydrocarbon Fuel Mixture,” AIAA Paper 2006-4683 July 2006.

 

Lee, J.D., Ruffin, S.M., “Application of a Turbulent Viscous Cartesian-Grid Methodology to Flow Fields with Rotor-Fuselage Interaction,” AIAA Paper 2007-1280, Jan.  2007.

 

Lee, J.D., Ruffin, S.M., “Development of a Turbulent Wall-Function Based Viscous Cartesian-Grid Methodology,” AIAA Paper 2007-1326, Jan.  2007.

 

Martinelli, S., Ruffin, S.M., Hash, D., Wright, M. McDaniels, R., Brown, J., “Validation Processes for Blowing and Transpiration-Cooling in DPLR,” AIAA Paper 2007-4255, June 2007.

 

Lee, Jinwook, Orsini, A., and Ruffin, S.M., “Unstructured Cartesian-Grid Methodology for Non-equilibrium Hypersonic Flows,” AIAA Paper 2007-0548, June 2007.

 

Lee, Jinwook, Rohrschneider, R., Ruffin, S.M., and Braun, R. “Fluid-Structure Analysis of a Clamped Ballute in Titan's Atmosphere,” AIAA Paper 2007-4308, June 2007.

 

Lee, Jinwook, and Ruffin, S.M., “Parallel Computation of Solution Adaptive Cartesian Grids with SFC” AIAA Paper 2007-4088, June 2007.

 

Malo-Molina, F., Gaitonde, D., Ebrahimi, H, and Ruffin, S.M., “Scramjet Combustor Analysis Integrated to an Innovative Inward Turning Inlet” AIAA Paper 2008-4577, July, 2008.

 

Malo-Molina, F., Gaitonde, D., Ebrahimi, H, and Ruffin, S.M., “High Fidelity Flowpath Analysis of a Supersonic Combustor Coupled to Innovative Inward-Turning Inlets” AIAA Paper 2009-131 Jan. 2009.

 

Pace, A., Bose, D., Ruffin, S.M., “A Loosely-Coupled Approach for Shock-Layer Radiation Modeling in DPLR,” AIAA Paper 2009-4312.