George Gogos

George Gogos 

George Gogos
Contact Information:
W351 NH
Lincoln: City Campus
(402) 472-3006
ggogos@unl.edu
Email   

Professor
  • Ph.D., 1986 University of Pennsylvania
  • M.S., 1982 University of Pennsylvania
  • B.S., 1980 Massachusetts Institute of Technology

Areas of Research and Professional Interest
  • Flow and heat transfer using functionalized metallic surfaces
  • Micro-fluidics
  • Flame Weeding
  • Vaporizing and combusting sprays
  • Blast wave mitigation
  • DNA multiplication (rapid PCR development) for detection of biological agents.
  • Plastics processing

Selected Publications

  • A. Hassebrook, C. M. Kruse, C. Wilson, T. P. Anderson, C. A. Zuhlke, D. R. Alexander, G. Gogos, and S. Ndao, “Effects of Droplet Diameter and Fluid Properties on the Leidenfrost Temperature of Polished and Micro/Nanostructured Surfaces,” submitted to Journal of Heat Transfer, August 2014.
  • C. M. Kruse, T. P. Anderson, C. Wilson, C. A. Zuhlke, D. R. Alexander, G. Gogos, and S. Ndao, Enhanced Pool-Boiling Heat Transfer and Critical Heat Flux on Femtosecond Laser Processed Stainless Steel Surfaces,” submitted to International J. of Heat and Mass Transfer, August 2014.
  • C. M. Kruse, I. Somanas, T. P. Anderson, C. Wilson, C. A. Zuhlke, D. R. Alexander, G. Gogos, and S. Ndao, “Self-propelled Droplets from Bioinspired Directional Microstructured Surfaces,” submitted to Nano Letters, August 2014.
  • Awasthi, I., Pope, D. N. and Gogos, G. "Effects of the Ambient Temperature and Initial Diameter in Droplet Combustion," Combustion and Flame, 161, 1883-1899 (2014).
  • T. P. Anderson, C. A. Zuhlke, C. Wilson, C. Kruse, N. Ianno, S. Ndao, G. Gogos, D. R. Alexander, “Understanding the physical and material dynamics of multipulse femtosecond laser interactions with surfaces,” Proc. SPIE, Laser-induced Damage in Optical Materials, pp. 888518, 2013.
  • Kruse, C., Anderson, T., Wilson, C., Zuhlke, C., Alexander, D., Gogos, G., and Ndao, S., “Extraordinary shifts of the Leidenfrost temperature from multi-scale micro/nano structured surfaces formed via femtosecond laser surface processing", Langmuir, 29, 9798-9806 (2013).
  • Awasthi, I., Gogos, G. and Sundararajan, T. "Effects of Size on Combustion of Isolated Methanol Droplets," Combustion and Flame, 160, 1789-1802 (2013).
  • Raghuram, S. Raghavan, V. D.N. Pope and Gogos, G. "Two-Phase Modeling of Evaporation of Blended Methanol-Ethanol Droplets," International Journal of Multiphase Flow, 52, 46-59 (2013).
  • Raghuram, S. Raghavan, V. D.N. Pope and Gogos, G. "Numerical Study of Marangoni Convection during Transient Evaporation of Two-Component Droplet under Forced Convective Environment," International Journal of Heat and Mass Transfer, 55, issues 25-26, 7949-7957 (2012).
  • Ulloa, S. M., Datta, A., Bruening, C., Neilson. B, Gogos, G., Arkebauer, T.J., Knezevic, S. Z. "Weed Control and Crop Tolerance to Propane Flaming as influenced by the Time of Day," Crop Protection 31, 1-7 (2012).
  • Balaji, B., Raghavan, V., Ramamurthi, K. and Gogos, G. “A Numerical Study of Evaporation Characteristics of Spherical n-Dodecane Droplets in High Pressure Nitrogen Environment,“ Physics of Fluids, 23, 063601 (2011).
  • Sahu, V.K., Raghavan, V., Pope, D.N. and Gogos, G. "Numerical Modeling of Steady Burning Characteristics of Spherical Ethanol Particles in a Spray Environment," Journal of Heat Transfer, 133, 9, 94502 (2011).
  • Ulloa, S.M., Datta, A., Bruening, C., Neilson, B., Miller, J., Gogos, G. and Knezevic, S.Z. "Maize Response to Broadcast Flaming at Different Growth Stages: Effects on Growth, Yield and Yield Components," Europ. J. Agronomy 34:10-19 (2011)
  • Peng, W., Zhang, Z., Gogos, G. and Gazonas, G., “Fluid Structure Interactions for Blast Wave Mitigation,” Journal of Applied Mechanics, 78, 3 p.031016 (8 pages), (2010) .
  • Pope, D.N., Raghavan, V. and Gogos, G., “Gas-phase Entropy Generation during Transient Methanol Droplet combustion,” International Journal of Thermal Sciences 49 1288-1302 (2010). 35. Zhang, H., Raghavan, V. and Gogos, G., “Subcritical and Supercritical Droplet Evaporation within a Zero Gravity Environment; on the Discrepancies between Theoretical and Experimental Results,” International Journal of Spray and Combustion Dynamics, 1(3) 317-338 (2009).
  • Su, Z., Peng, W., Zhang, Z., Gogos, G., Skaggs, R., Cheeseman, B. and Chian Fong Yen, “Experimental Investigation of a Novel Blast Wave Mitigation Device,” Shock & Vibration, 16:1-11 (2009).
  • Zhang, H., Raghavan, V. and Gogos, G., “Subcritical and Supercritical Droplet Evaporation within a Zero Gravity Environment: Low Weber Number Relative Motion,” International Communications in Heat and Mass Transfer, 35:385-394 (2008).
  • Raghavan, V., Pope, D.N. and Gogos, G., “Effect of Non-luminous Flame Radiation during Methanol Droplet Combustion,” Combustion Science and Technology, 180:546-564 (2008).
  • Su, Z., Peng, W., Zhang, Z., Gogos, G., Skaggs, R. and Cheeseman, B., “Numerical Simulation of a Novel Blast Wave Mitigation Device,” International Journal of Impact Engineering, 35(5) 336-346 (2008).
  • Yang, S., Raghavan, V. and Gogos, G., “Numerical Study of Transient Laminar Natural Convection over an Isothermal Sphere,” International Journal of Heat and Fluid Flow, 28:821-837 (2007).
  • Saito, K., Raghavan, V. and Gogos, G. “Numerical Study of Transient Laminar Natural Convection Heat Transfer over a Sphere Subjected to a Constant Heat Flux,” Heat and Mass Transfer, 43:923-933 (2007).
  • Raghavan, V., Gogos, G., Babu, V. and Sundararajan, T., “Entropy Generation during the Quasi-Steady Burning of Spherical Fuel Particles,” International Journal of Thermal Sciences, 46(6):589-604 (2007).
  • Raghavan, V., Whitney, S.E., Ebmeier, R.J., Padhye, N.V., Nelson, M., Viljoen, J.J. and Gogos, G., “Thermal Analysis of the Vortex Tube Based Thermocycler for Fast DNA Amplification: Experimental and Two-Dimensional Numerical Results,” Review of Scientific Instruments, 77:094301 (2006).
  • Raghavan, V., Pope, D.N. and Gogos, G. “Effects of Forced Convection and Surface Tension during Methanol Droplet Convection,” AIAA Journal of Thermophysics and Heat Transfer, 20(4):787-798, (2006).
  • Raghavan, V., Gogos, George, Babu, V. and Sundararajan, T. “Effect of Gravity on Methanol Diffusion Flames Burning Within a Forced Convective Environment,” International Communications in Heat and Mass Transfer, 33:686-97 (2006).
  • Raghavan, V., Pope, D.N., Howard, D. and Gogos, G. “Surface Tension Effects during Low Reynolds Number Methanol Droplet Combustion,” Combustion and Flame, 145:791-807 (2006).
  • Pope, D. and Gogos, G. "Numerical Simulation of Fuel Droplet Extinction Due to Forced Convection," Combustion and Flame, 142:89-106 (2005).
  • Pope, D.N. and Gogos G. “A New Multicomponent Diffusion Formulation for the Finite-Volume Method: Application to Convective Droplet Combustion,” Numerical Heat Transfer, Part B Fundamentals, Part B, 48, 3:213-234, (2005).
  • Zhang, Z. and Gogos, G. “Effects of Laser Intensity and Ambient Conditions on the Laser Induced Plume,” Applied Surface Science252:1057-1064 (2005).
  • Pope, D.N., Howard, D., Lu, K. and Gogos, G. “Combustion of Moving Droplets and Suspended Droplets: Transient Numerical Results,” AIAA Journal of Thermophysics and Heat Transfer, 19:273-281 (2005).
  • Ebmeier, R., Whitney, S., Sarkar, A., Nelson, M., Padhye, N., Gogos, G. and Viljoen, J.H. “Ranque-Hilsch Vortex Tube Thermocycler for Fast DNA Amplification and Real-Time Optical Detection,” Review of Scientific Instruments, 12:5356-59 (2004).
  • Ebmeier, R., Whitney, S., Alugupally, S., Nelson, M., Padhye, N., Gogos, G. and Viljoen, H.J. “Ranque-Hilsch Vortex Tube Thermocycler for DNA Amplification,” Instrumentation Science & Technology, 32:567-570 (2004).
  • Zhang, H. and Gogos, G. “Numerical Research on a Vaporizing Fuel Droplet in a Forced Convective Environment,” Int. J. Multiphase Flow, 30:181-198 (2004).
  • Gogos, G. "Bubble Removal in Rotational Molding,” Polymer Engineering and Science, 44:388-394 (2004).
  • Zhang, Z. and Gogos, G. “Theory of Shock Wave Propagation During Laser Ablation,” Physical Review B, 69:235403 (2004).

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