George Gogos

George Gogos

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

Professor
Academic Degrees
  • 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

  • Neilson, B. D. , Bruening, C. A., Stepanovic, S. V. , Datta, A., Knezevic, S. Z. and Gogos, G. "Design and Field Testing of a Combined Flaming and Cultivation Implement for Effective Weed Control," ASABE, Applied Engineering in Agriculture, 33:1, pp. 43-54 (2017).
  • Peng, E, Tsubaki, A., Zuhlke C.A., Wang, M., Bell, R., Lucis, M.J., Alexander, D.R., Gogos, G., and Shield, J.E. “Experimental explanation of the formation mechanism of surface mound-structures by femtosecond laser on polycrystalline Ni60Nb40” APL, 108:3, 031602 (2016).
  • Kruse, C.M., Tsubaki, A., Zuhlke, C. A., Anderson, T., Alexander, D. R., Gogos, G. and Ndao, S. “Secondary Pool Boiling Effects,” APL, 108:5, 0516020 (2016).
  • Hassebrook, A., Kruse, C. M., Wilson, C., Anderson, T. P., Zuhlke, C. A., Alexander, D. R., Gogos, G., and Ndao, S., “Effects of Droplet Diameter and Fluid Properties on the Leidenfrost Temperature of Polished and Micro/Nanostructured Surfaces,” Journal of Heat Transfer,138:5, 051501 (2016).
  • Stepanovic, S., Datta, A. Neilson, B., Bruening, C. Shapiro, C. Gogos, G. and Knezevic, S. "The effectiveness of flame weeding and cultivation on weed control, yield, and yield components of organic soybeans as influenced by manure application," Renewable Agriculture and Food Systems, 31:4, pp. 288-299 (2016).
  • Datta, A., Stepanovic, S., Neilson, B., Bruening, C. Shapiro, C. Gogos, G. and Knezevic, S. “Effectiveness of flame weeding and cultivation for weed control in organic maize," Biological Agriculture & Horticulture, 32:1, pp. 47-62 (2016)
  • Chen, Z., Li, S., Arkebauer, A., Gogos, G. and Tan, L. "Color and Texture Morphing with Colloids on Multilayered Surfaces," ACS Applied Materials & Interfaces, 7:19, pp. 10125-10131 (2015.
  • Kruse, C.M., Anderson, T. P., Wilson, C., Zuhlke, C. A., Alexander, D. R., Gogos, G. and S. Ndao, Enhanced Pool-Boiling Heat Transfer and Critical Heat Flux on Femtosecond Laser Processed Stainless Steel Surfaces,” International J. of Heat and Mass Transfer, 82, pp. 109-116, (2015).
  • Kruse, C. M., Somanas, I., Anderson, T. P., Wilson, C., Zuhlke, C. A., Alexander, D. R., Gogos, G. and S. Ndao, “Self-propelled Droplets from Bioinspired Directional Microstructured Surfaces,” Microfluidics and Nanofluidics, DOI 10.1007/s10404-014-1540-6, (2015).
  • 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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