Publications

2016

Acree, C.W. "Assessment of JVX Proprotor Performance Data in Hover and Airplane-Mode Flight Conditions," NASA/TM-2016-219070 Download

Abrego, A., Meyn, L., Burner, A., Barrows, D., "Final Report on the Full-Scale Blade Displacement Measurements of the UH- 60A Airloads Rotor," AHS Technical Meeting on Aeromechanics Design for Vertical Lift, Holiday Inn at Fisherman's Wharf, San Francisco, CA, January 20-22, 2016 Download

Barbely, N., Komerath, N., Novak, L., "Validation of Tools Used to Analyze A Coaxial Rotor Flow-Field," AHS Technical Meeting on Aeromechanics Design for Vertical Lift, Holiday Inn at Fisherman's Wharf, San Francisco, CA, January 20-22, 2016 Download

Barbely, N., Shukla, D., Hiremath, N., Komerath, N., "Coaxial Rotor Flow Phenomena in Forward Flight," 2016 International Powered Lift Conference (IPLC) SAE 2016 Aerospace Systems and Technology Conference, September 27-29, 2016, Hartford,CT, Download

Barbely, N., Komerath, N., "Compressible 2D flow field interaction of two contra-rotating blades", ASME 2016 International Mechanical Engineering Congress & Exposiiton, November 11-17, 2016, Phoenix, Arizona Download

Grima, A., Theodore, C., Oliver Garrow, Lawrence, B., Persson, L., "Aerodynamic Analysis of the Elytron 2S Experimental Tiltwing Aircraft," SAE/AIAA/RAeS/AHS International Powered Lift Conference, Hartford, CT, September 27-29, 2016, Download

Johnson, W., Elmore, J., Keen, E., Gallaher, A., Nunez, G., "Coaxial Compound Helicopter for Confined Urban Operations," AHS Technical Meeting on Aeromechanics Design for Vertical Lift, Holiday Inn at Fisherman's Wharf, San Francisco, CA, January 20-22, 2016 Download

Koning, W., Acree, C.W., Rajagopalan, R.G., "XV-15 Tilt Rotor Performance Validation Using Computational Fluid Dynamics," AHS Technical Meeting on Aeromechanics Design for Vertical Lift, Holiday Inn at Fisherman's Wharf, San Francisco, CA, January 20-22, 2016 Download

Koning, W., "Wind Tunnel Interference Effects on Tiltrotor Testing Using Computational Fluid Dynamics," NASA/CR-2016-219086 Download

Kottapalli, S., Hagerty, B., Salazar, D., "Boeing SMART Rotor Full-Scale Wind Tunnel Test Data Report," NASA/TM–2016–216048 Download NASA TM-2016-216048_Hardcopy Version (424 pages).pdf and Download NASA TM-2016-216048_PDF Data Set (6484 pages).pdf, Download NASA TM-2016-216048 Excel Files

Leyland, J. A., "Use of the NLPQLP Sequential Quadratic Programming Algorithm to Solve Rotorcraft Aeromechanical Contrained Optimisation Problems," NASA/TM–2016–216632 Download Publication, Appendix B: Cases Run on the Hewlett-Packard Mainframe Computer, Appendix C: Cases Run on the Mac Pro Desktop Computer

Leyland, J. A., "Use of the NLP10x10 Sequential Quadratic Programming Algorithm to Solve Rotorcraft Hub Loads Minimisation Problems," NASA/TM–2016–219104, Download Publication, Appendix D: Fortran Codes for the NLP10x10 Main Driver and Subroutines Appendix E: Cases Run on the Hewlett-Packard Alpha Mainframe Computer Appendix F: Cases Run on the Mac Pro Desktop Computer

Lawrence, B., Tobais, E.L., Berger, T., Tischler, M.B., Theodore, C., Elmore, J., "Integrating Flight Dynamics & Control Analysis and Simulation in Rotorcraft Conceptual Design", AHS 72nd Annual Forum West Palm Beach, Florida May 17-19, 2016 Download

Lawrence, B., Theodore, C., Johnson, W., Berger, T., "Handling Qualities Optimization for Rotorcraft Conceptual Design," Rotorcraft Virtual Engineering Conference November 8-10, 2016, The University of Liverpool Liverpool, United Kingdom Download

Malpica, C., Greenwood, E., Sim, B., "Helicopter Non-Unique Trim Strategies for Blade-Vortex Interaction (BVI) Noise Reduction," AHS Technical Meeting on Aeromechanics Design for Vertical Lift, Holiday Inn at Fisherman's Wharf, San Francisco, CA, January 20-22, 2016 Download

Malpica, C., Greenwood, E., Sim, B., "Parametric Investigation of the Effect of Hub Pitching Moment on Blade Vortex Interaction (BVI) Noise of an Isolated Rotor", AHS 72nd Annual Forum, West Palm Beach, FL, May 16-19, 2016, Download

McCoy, M., Wadcock, A., Young, L.,"Documentation of the Recirculation in a Closed-Chamber Rotor Hover Test", NASA/TM–2016–219162, Download

Russell, C., Jung, J., Willink, G., Glasner, B., "Wind Tunnel and Hover Performance Test Results for Multicopter UAS Vehicles", AHS 72nd Annual Forum, West Palm Beach, FL, May 16-19, 2016, Download

Sahin, S.E., Russell, C., Solis, E., Rajagopalan, R.G., "Analysis of Large Civil Tilt Rotor Wind Tunnel Blockage and Validation Using RotCFD," AHS Technical Meeting on Aeromechanics Design for Vertical Lift, Holiday Inn at Fisherman's Wharf, San Francisco, CA, January 20-22, 2016 Download

Sarker,P., Theodore, C., Chakravarty, U., "Vibration Analysis of a Composite Helicopter Rotor Blade at Hovering Condition," Proceedings of the ASME 2016 International Mechanical Engineering Congress & Exposition IMECE 2016 November 11-17, 2016, Phoenix, Arizona, USA, Download

Solis, E., "Photogrammetric Deflection Measurements for the Tiltrotor Test Rig (TTR) Multi-Component Rotor Balance Calibration," Holiday Inn at Fisherman's Wharf, San Francisco, CA, January 20-22, 2016 Download

Solis, E., Bass, T., Keith, M., Oppenheim, R., Runyon, B., Veras-Alba, B., "RotCFD Analysis of the AH-56 Cheyenne Hub Drag," NASA/CR–2016–219395, Download

Theodore, C., Russell, C., Willink, G., Pete, A., Adibi, S., Ewert, A., Theuns, L., Beierle, C., "Second-Generation Large Civilian Tiltrotor 7- by 10-Foot Wind Tunnel Data Report," NASA TM-2016-219394 Download

Yeo, H., Potsdam, M., Norman, T., "Investigation of UH-60A Rotor Structural Loads From Flight and Wind Tunnel Tests", AHS 72nd Annual Forum, West Palm Beach, FL, May 16-19, 2016, Download