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Engineering Technology

Papers and Publications

patent

  • ÌýSheng, C., and Zhao, Q., “Active Flow Control in Ducted Fans and Fan-In-Wing Configurations,â€� U.S. D2016-66 Provisional Patent Application (1-57922) filed on May 20, 2016.

journal articles

  • ÌýSheng, C. and Zhao, Q, “Improving Predictions of Transitional and Separated Flows Using RANS Methodsâ€� submitted to Computers & Fluids, under review, July, 2019.
  • Sheng, C., Zhao, Q., and Wang J., (2018) “A Strategy for Predicting Transition and Separation Using Eddy Viscosity Turbulence Models,â€� submitted to Computers & Fluids, under review, November 2018.
  • Sheng, C,, Zhao, Q., and Hill, M. (2018) “Computational Investigation of a Full-Scale Proprotor Hover Performance and Flow Transition,â€� Journal of Aircraft, Vol. 55, No. 1, pp. 122-132. .
  • Sheng, C., and Zhao, Q., “Numerical Investigations of Fan-In-Wing Aerodynamic Performance with Active Flow Control,â€� Journal of Aircraft, Vol. 54, No. 6 (2017), pp. 2317- 2329, .
  • Sheng, C., Wang, J. and Zhao, Q., “Improved Rotor Hover Predictions Using Advanced Turbulence Modeling,â€� Journal of Aircraft, Vol. 53, No. 5 (2016), pp. 1549-1560, .
  • Zhao, Q., Sheng, C., and Afjeh, A., “Computational Aerodynamic Analysis of Offshore Upwind and Downwind Turbines,â€� Journal of Aerodynamics, Volume 2014 (2014), Article ID 860637, 29 October 2014.
  • Sheng, C, Wang, X., and Zhao, Q., “Aerodynamic Analysis of a Spinning Missile Using a High Order Unstructured Grid Scheme,â€� Journal of Spacecraft and Rockets, ISSN: 0022- 4650, Vol. 47, No. 1, Jan-Feb 2010, pp. 81-89.
  • Yan, M., Zhao, Q., and Liang, L., “Application of preconditioning method in 3D numerical simulation of turbomachinery,â€� Journal of Aerospace Power, January 2007, Vol. 22, No. 1, pp 41-47.

conference proceedings

  • ÌýSheng, C., Zhao, Q., and Baugher, S., (2019) “Numerical Investigation of Rotor Aerodynamics Using High-Order Unstructured Grid Schemes,â€� Special Session: Rotor-in- Hover Simulations I, accepted for presentation at the 2020 AIAA SciTech Forum, Orlando, Florida, 6-10 January 2020.
  • Sheng, C., Zhao, Q., Zhong, D., and Ge, N., “A Strategy to Implement High-Order WENO Schemes on Unstructured Grids,â€� AIAA 2019-2955, 2019 AIAA Aviation and Aeronautics Forum and Exposition, Dallas, Texas, 17-21 June 2019. .
  • Zhao, Q., Baugher, S., and Sheng, C., (2019) “NASA PSP Rotor Hover Simulation with Fuselage Effect,â€� AIAA-2019-0594, AIAA SciTech 2019 Forum, 7-11 January 2019, San Diego, California
  • Sheng,Ìý C.,Ìý Zhao,Ìý Q.,Ìý andÌý Wang,Ìý J.Ìý (2018) “NumericalÌý InvestigationÌý ofÌý Boundary Layer Transition on Hovering Rotor,â€� 30th International Conference on Parallel Computational Fluid Dynamics, 14-17 May 2018, Indianapolis, Indiana
  • Sheng, C., Schindler, R., Baugher, S., and Zhao, Q. (2018) “Transition Modeling and Prediction Using an Unstructured Grid RANS CFD Code,â€� AIAA-2018-1042, 56th AIAA Aerospace Sciences Meeting, AIAA SciTech, 8-12 January 2018, Kissimmee, Florida
  • Zhao, Q., Wang, J., and Sheng, C, “Numerical Simulations and Comparisons of PSP and S- 76 Rotors in Hover,â€� presented at 2018 AIAA SciTech Forum, Kissimmee, Florida, January 8– 12, 2018.
  • Sheng, C., Zhao, Q., Al-Khalifin, Y., and Afjeh, A., “Aeromechanical Analysis of Two- Bladed Downwind Turbine Using a Nacelle Tilt Control,â€� ASME 2017 Fluids Engineering Division Summer Meeting, paper No. FEDSM2017-69585, pp. V01BT11A029, 12 pages, doi:10.1115/FEDSM2017-69585, Waikoloa, Hawaii, USA, July 30–August 3, 2017, ISBN: 978-0-7918-5805-9.
  • Sheng, C., and Zhao, Q., “Computational Aerodynamic Analysis of Downwind TurbineÌý Using a New Tilt Control Concept,â€� ASME 2017 Fluids Engineering Division Summer Meeting, paper No. FEDSM2017-69586, pp. V01BT11A030, 11 pages, doi:10.1115/FEDSM2017-69586, Waikoloa, Hawaii, USA, July 30–August 3, 2017, ISBN: 978-0-7918-5805-9.
  • Sheng, C., and Zhao, Q., “Numerical Investigation of Active Flow Control for Fan-In-Wing Configuration in Forward Flight,â€� 23rd AIAA Computational Fluid Dynamics Conference, AIAA AVIATION Forum, (AIAA 2017-3959),, Denver, Colorado, June 5 -9, 2017.
  • Sheng, C., and Zhao, Q., “Assessment of Transition Models in Predicting Skin Frictions and Flow Field of a Full-Scale Tilt Rotor in Hover,â€� American Helicopter Society 72nd Annual Forum, West Palm Beach, Florida, May, 2016.
  • Sheng, C., Zhao, Q., and Hill, M., “Investigations of XV-15 Rotor Hover Performance and Flow Field Using U2NCLE and HELIOS Codes,â€� 54th AIAA Aerospace Sciences Meeting, San Diego, Califonia, January 4-8, 2016.
  • Zhao, Q. and Sheng, C., “Numerical Investigation and Validation of Open Fan Hover Performance,â€� 33rd AIAA Applied Aerodynamics Conference, Dallas, Texas, June 22-26, 2015.
  • Sheng, C., Wang, J., and Zhao, Q., “S-76 Rotor Hover Predictions Using Advanced Turbulence Models,â€� AIAA Science and Technology Forum 2015: Applied Aerodynamics, Kissimmee, Florida, January 5-9, 2015.
  • Sheng, C., Zhao, Q., and Bi, N., “Numerical Investigations of Ducted Fan HoverÌý Performance for Fan-In-Wing Applications,â€� 53rd AIAA Aerospace Sciences Meeting, Kissimmee, Florida, January 5-9, 2015.
  • Sheng, C., Zhao, Q., and Bi, N., “Computational Analysis of Lift Fan Hover Efficiency,â€� 2014/12, AHS 8th Australian Pacific Vertiflite Conference on Helicopter Technologies and 3rd Asian-Australian Rotorcraft Forum
  • Ickes, J., Zhao, Q., and Wang, J., and Sheng, C., “Coupled CFD/CSD Simulations of the UH- 60A Main Rotor in High Thrust Forward Flight,â€� 44th AIAA Fluid Dynamics Conference, AIAA 20142772, Atlanta, Georgia, June 16-20, 2014.
  • Zhao,Ìý Q.,Ìý Ickes, J., Sheng,Ìý C., andÌý Afjeh, A.,Ìý “NumericalÌý Investigations of Upwind and Downwind NREL 5MW Reference Wind Turbines Using CFD and CSD,â€� AHS 70th Annual Forum and Technology Display, Montréal, Quebec, Canada, May 20-22, 2014, SKU #: 70- 2014-0105.
  • Ickes, J., Wang, J., Zhao, Q., and Sheng, C., “Coupled CFD/CSD Simulations of Helicopter Rotors with a Free Wake Model,â€� AIAA Science and Technology Forum and Exposition 2014: 52nd Aerospace Sciences Meeting, Session: APA-33, Aerodynamic-Structural Dynamics Interaction, National Harbor, MD, January 13-17, 2014.
  • Sheng, C., Zhao, Q., and Wang, J., “S-76 Rotor Hover Prediction Using U2NCLE Solver,â€� AIAA 2014-0044, AIAA Science and Technology Forum and Exposition 2014: 52nd Aerospace Sciences Meeting, Session: APA-02, Simulation of Rotor in Hover (Invited) I, National Harbor, MD, January 13-17, 2014.
  • Sheng, C., Ickes, J., Wang, J., and Zhao, Q., “CFD/CSD Coupled Simulations of Helicopter Rotors in Forward and Maneuver Flight,â€� 31th AIAA Applied Aerodynamics Conference, San Diego, California, Jun 24-27, 2013.
  • Sheng, C., Zhao, Q., Narramore, J., and Ickes, J., “Loosely Coupled CFD/CSD SimulationsÌý of Helicopter Rotors in Forward Flights,â€� Presented at the American Helicopter Society 69th Annual Forum, Phoenix, Arizona, May 21-23, 2013, SKU#: 69-2013-318.
  • Zhao, Q. and Sheng, C., “Evaluation of Higher Order Improvement of Unstructured Schemes for Helicopter Rotor Simulations,â€� AIAA-2012-2901, 30th AIAA Applied Aerodynamics Conference, New Orleans, Louisiana, June 25-28, 2012, .
  • Zhao, Q. and Sheng, C., “Improvements of High-Order Unstructured Grid Schemes Through RBF Interpolation-II,â€� AIAA-2012-727, 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Nashville, Tennessee, Jan. 9-12, 2012.
  • Sheng, C., Su, X., Zhao, Q., Bridgeman, J., and Narramore, J. (Bell Helicopter Textron), “A Hybrid CFD Method for Helicopter Rotors with Mesh Deformation,â€� Presented at the American Helicopter Society Specialists’ Meeting Next Generation Vertical Lift Technologies, Fort Worth, Texas, February 23-25, 2011, SKU#: sm_2011_ngvl_015_ sheng.
  • Zhao, Q. and Sheng, C., “Improvements of High-Order Unstructured Grid Schemes Through RBF Interpolation,â€� AIAA-2011-3856, 20th AIAA Computational Fluid Dynamics Conference, Honolulu, Hawaii, June 27-30, 2011.
  • Sheng, C., Zhao, Q., Rajmohan, N., Sankar, L., Bridgeman, J., and Narramore, J.,“An Unstructured Hybrid CFD Approach for Computing Rotor Wake Flows,â€� AIAA-2011-1124, 49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace, Exposition, Orlando, Florida, Jan. 4-7, 2011.
  • Sheng, C. and Zhao, Q., “Application and Validation of High-Order Unstructured Grid Schemes to Vortex-Dominant Flows,â€� 66th American Helicopter Society Annual Forum, Phoenix, Arizona, 11-13 May 2010, SKU 6602010-000374.
  • Sheng, C., Wang, X., and Zhao, Q., “Simulation and Validation of a Marine propeller 5168 WITH AN arbitrary Mach number scheme,â€� ISROMAC12-2008-20213, The 12th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, Honolulu, Hawaii, February 17-22, 2008.
  • Sheng, C. and Zhao, Q., “Conjugate Heat Transfer Prediction of an Effusion Cooled Plate,â€� AIAA-2007-4032, 39th AIAA Thermophysics Conference, Miami, Florida, June 25-28,Ìý 2007.
  • Zhao, Q., Yan, M., Zou, Z., and Hu, G., “The effects of Low Reynolds number to the performance of fans and the relevant design optimizationsâ€�, The Fifth Astronautic Power Annual meeting, (3) Turbomachinery Fascicule, P73-P80, 2002, Beijing.

education conference proceedings

  • ÌýCioc, C., Zhao, Q., and Cioc, S., “Combining Simulation and Experiment to Determine Fluid Forces in the Fluid Mechanics Laboratoryâ€�, Presented at 2019 ASEE Annual Conference and Exposition, June 16-19, 2019, Tampa, Florida.