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Research Activities
  

Interests
 
Dr. Hubner's research focuses on developing and applying innovative, nondestructive, nonintrusive measurement techniques, as well as established experimental methods, to study fundamental problems in the field of aerodynamics and solid mechanics.

Of particular interest are novel full-field techniques employing molecular luminescence to quantify surface strain, heat flux, temperature, pressure, and shear stress.  This emerging field has broad application to engineers, chemists, physicists, biologists, and medical researchers.  Applications of these techniques are widely useful to the aerospace and automotive communities as these methods bridge physical testing and analytical modeling in a variety of areas.  Examples include load and heating predictions on aircraft, evaluation of fluid-structure interactions, validation of computational methods, nondestructive detection of candidate failure locations on mechanical components, and inverse-method techniques to determine load and boundary conditions.  This work is currently funded by the NSF through the Sensors and Sensor Technology program of CMMI as well as collaborations with CUBRC.

Another area of interest is the aerodynamic and structural characterization of micro aerial vehicles with flexible wings/geometries.  MAVs, often biologically inspired, can provide a low-cost platform of surveillance, detection and assessment.   However, the flow physics of low Reynolds number flow over actively and passively flexed wings is not well understood.  Using point-wise and full-field measurement techniques (HW, LV, PIV, VIC) and traditional force-balance testing, insight into the fluid-structure interaction can be gained.  This research has been funded by the University of Florida REEF via an AFOSR contract.

 

   
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Students
Ergin Esirgemez PhD 2009 Graduate Research Assistant
Travis Hicks MS 2009 Graduate Council Fellow
Kyle Scott BS 2010 Computer-based Honors Student
 
 
Past Students
Daisuke Takahashi BS 2007 & MS 2008 IHI Aerospace, Tokyo, Japan
Nicholas Mastramico MS 2008 Jacobs Engineering, Huntsville, AL
Michelle McGaha BS 2008 Graduate School, Texas A&M
Claudio Lira BS 2008  
 
 
 
Graduate and undergraduate students interested in participating in these research areas, please contact Dr. Hubner for current opportunities/assistantships.
 
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Publications
  
 Journals
 
23 Takahashi, D and JP Hubner (2008) “Strain Separation on a Nonplanar Object using a Luminescent Photoelastic Coating” in review Experimental Mechanics. (conference version listed below)
22 Albertani, R, B Stanford, R DeLoach, JP Hubner, and P Ifju (2008) “Wind Tunnel Testing and Nonlinear Modeling Applied to Power Micro Air Vehicles with Flexible Wings,” Journal of Aircraft, 45(3): 1025-1032, DOI: 10.2514/1.33338.
21 Albertani, R, B Stanford, JP Hubner, and PG Ifju (2007) “Aerodynamic Characterization and Deformation Measurement of a Flexible Wing Micro Air Vehicle,” Experimental Mechanics, 47(5):625-636, DOI: 10.1007/s11340-006-9025-5.
20 Hubner, J, and L Chen (2007) “Coupled Strain and Fresnel Response of Photoelastic Coatings at Oblique Incidence” Experimental Mechanics, 47(4):549-560, DOI: 10.1007/s11340-007-9033-0.
19 Padmanabhan, S, JP Hubner, AV Kumar, and PG Ifju (2006) “Load and Boundary Condition Calibration using Full-field Strain Measurement,” Experimental Mechanics, 46(5):569-578, DOI: 10.1007/s11340-006-8708-2.
18 Albertani, R, J Hubner, P Ifju, R Lind, and J Jackowski (2005) "Wind Tunnel Testing of Micro Air Vehicles at Low Reynolds Numbers," SAE 2004 Transactions: Journal of Aerospace, 113(1):1474-1486.
17 Hubner, JP, L Chen, Y Liu, K Schanze, J Nicolosi, P Ifju, and W El-Ratal (2005) “Characterization of a New Luminescent Photoelastic Coating,” Experimental Mechanics, 45(2):37-143, DOI: 10.1007/BF02428186. 
16 Hubner, JP, J Nicolosi, L Chen, P Ifju, and W El-Ratal (2005) “Oblique Incidence Response of Photoelastic Coatings,” Experimental Techniques, 29(3):52-56.
15 Hubner, JP, PG Ifju, KS Schanze, Y Liu, L Chen, and W El-Ratal (2004) “Luminescent Photoelastic Coatings,” Experimental Mechanics, 44(4):416-424, DOI: 10.1007/BF02428095.
14 Hubner, JP, PG Ifju, KS Schanze, S Jaing, Y Liu, and W El-Ratal (2004) “Luminescent Strain Sensitive Coatings,” AIAA Journal, 42(8):1662-1668.
13 Mullagiri, S, C Segal, and JP Hubner (2003) “Oscillating Flows in a Model Pulse Detonation Engine Inlet,” AIAA Journal, 41(2):324-326.
12 Hubner, JP, PG Ifju, DA Jenkins, BF Carroll, Y Wang, KS Schanze, P He, A Brennan, and W El-Ratal (2003) “Full-field Strain Measurement using a Luminescent Coating,” Experimental Mechanics, 43(1):61-68, DOI: 10.1007/BF02410485.  [Peterson Award, Society of Experimental Mechanics, 2004]
11 Hubner, JP, BF Carroll, and KS Schanze (2002) “Heat Transfer Measurements in Hypersonic Flow using Luminescent Coating Techniques,” Journal of Thermophysics and Heat Transfer, 16(4):516-522.
10 Carroll, BF, JP Hubner, and KS Schanze (2001) “Multi-Luminophor Pressure/Temperature Sensitive Paints,” Journal of Flow Visualization, 4(2):121-129.
9 Hubner, JP, BF Carroll, KS Schanze, HF Ji, and M Holden (2001) “Temperature- and Pressure-Sensitive Paint Measurements in Short-Duration Hypersonic Flow,” AIAA Journal, 39(4):654-659.
8 Bedlek-Anslow, JM, JP Hubner, BF Carroll, and KS Schanze (2000) “Micro-Heterogeneous Oxygen Response in Luminescence Sensor Films,” Langmuir, 16(24):9137-9141, DOI: 10.1021/la0011679.
7 Ji, HF, Y Shen, JP Hubner, BF Carroll, RH Schmehl, JA Simon, and KS Schanze (2000) “A Bichromophoric Metal-Organic Luminophor for Pressure Sensitive Paint,” Applied Spectroscopy, 54(6):856-863.
6 Hubner, JP, BF Carroll, KS Schanze, and HF Ji (2000) “Pressure Sensitive Paint Measurements in a Shock Tube,” Experiments in Fluids, 28(1):21-28, DOI: 10.1007/s003480050003.
5 Hubner, JP, and BF Carroll (1997) “Application of Dual Sorption Theory to Pressure Sensitive Paints,” AIAA Journal, 35(11):1790-1792.
4 Hubner, JP, JD Abbitt, BF Carroll, and KS Schanze (1997) “A Remote Surface Pressure Measurement Technique for Rotating Elements,” ASME Journal of Turbomachinery, 119:397-399.
3 Hubner, JP, and NM Komerath(1996) “Counter-rotating Structures over a Delta Wing,” AIAA Journal, 34(9):1958-1960.
2 Hubner, JP, and NM Komerath (1995) “Spectral Mapping of Quasiperiodic Structures in a Vortex Flow,” Journal of Aircraft, 32(3):493-500.
1 Hubner, JP, and BF Carroll (1993) “Thin-oil-film Interferometric Skin Friction Measurements in Short-duration Supersonic Flow,” Experiments in Fluids, 15:315-322, DOI: 10.1007/BF00223409.
  
 Selected Recent Papers and Presentations
  
Mastramico, N, and JP Hubner (2008) “A Study of Separation Reattachment on Membrane Flat and Cambered Plates,” 26th AIAA Aerodynamic Measurement Technology and Ground Testing Conference, AIAA Paper 2008-4369, June.
Esirgemez, E, and JP Hubner (2008) “Detailed Uncertainty Analysis of the Luminescent Photoelastic Coating Technique,” SEM XI International Congress, Paper #133, June.
Takahashi, D and JP Hubner (2008) “Strain Separation on a Nonplanar Object Using a Luminescent Photoelastic Coating,” SEM XI International Congress, Paper #185, June.
Albertani, R, R DeLoach, B Stanford, JP Hubner, and P Ifju (2006) “Wind Tunnel Data Base Development and Nonlinear Modeling Applied to Powered Micro Aerial Vehicles with Flexible Wing,” AIAA Guidance, Navigation, and Control Conference and Exhibit, Paper 2006-6640, August.
Smolinski, GJ, MS Holden, and JP Hubner (2005) “Risk Mitigation Study for Instrumentation Layout along the Wing Leading Edge of a 1.8% Scale Space Shuttle Orbiter Model using Temperature Sensitive Paint,” 43rd AIAA Aerospace Sciences Meeting and Exhibit, Paper 2005-0478, January.
Hubner, JP (2004) “Molecular Imaging for Experimental Stress Analysis,” Proceedings of Mosaic: International Workshop on Molecular Imaging for Interdisciplinary Research, Society of Molecular Sensors for Aerospace Research, Yokohama, Japan, November.
Chen, L, PG Ifju, JP Hubner, and J Nicolosi (2004) “Full-field Strain Analysis of Composite Structures using Luminescent Photoelastic Coatings,” ASC/ASTM-D30 Joint 19th Annual Technical Conference, October.
Carroll, BF, E Boulus, B Griffin, M Systma, JP Hubner, M Sheplak, and LN Cattafesta (2004) “Mitigation of Aero-Optic Distortions by Active Flow Control,” 42nd AIAA Aerospace Sciences Meeting and Exhibit, Paper 2004-0936, January.
Jansson, D, JP Hubner, M Sheplak, and LN Cattafesta (2002) “Design, Construction, and Validation of an Aeroacoustic Anechoic Test Facility,” 8th AIAA Aeroacoustics Conference, AIAA 2002-2466, June.
Hubner, JP, BF Carroll, and KS Schanze (2002) “Heat Transfer Measurements in Hypersonic Flow using Luminescent Coating Techniques,” 40th AIAA Aerospace Sciences Meeting and Exhibit, Paper  2002-0741, January.  [Outstanding Paper Award, AIAA Ground Test Technical Committee]
   
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