Associate Professor; Kritzer Faculty Fellow
4417 Mechanical Engineering Lab
For More Information
- Ph.D. Aerospace Engineering, The University of Texas at Austin, 2012
- M.S. Aerospace Engineering, The University of Texas at Austin, 2006
- B.S. Aerospace Engineering and Mechanics, University of Minnesota - Twin Cities, 2005
- Kritzer Faculty Fellow, Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, January 21, 2021-date
- Associate Professor, Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, January 21, 2021-date
- Assistant Professor, Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, August 16, 2014-January 20, 2021
- Faculty Affiliate, Department of Aerospace Engineering, University of Illinois Urbana-Champaign, 2016-date
- Hypersonics and high-temperature aerothermodynamics
- Surface chemistry and plasma-surface interactions
- Kinetic methods for non-equilibrium reacting flows
- Kinetic theory and transport processes
- Fluid mechanics & thermal sciences
- Applied Physics
- Computation and Applied Math
- Fluid Mechanics
- Security and Defense
- Thermo and Heat Transfer
Chapters in Books
- "Response of the Meteoroid/Meteorite to Aerodynamic Forces and Ablation," G. Duffa, J. Beck, and K. Stephani, IoP series on Plasma Physics: Hypersonic Meteoroid Entry Physics (2019).
Selected Articles in Journals
- Konnik, M. T, F. Panerai, and K. A. Stephani (2022), "The role of impurities and degradation on the thermal conductivity of carbon fiber and amorphous carbon," Carbon Trends, 100151.
- Gopalan, K.S., A. Borner, J. C. Ferguson, F. Panerai, N. N. Mansour, and K. A. Stephani (2022), "Gas–surface interactions in lightweight fibrous carbon materials," Computational Materials Science 205, 111190.
- Kondur, C. and K. A. Stephani (2022), "Rate constants and molecular recombination pathways of oxygen from quasi-classical trajectory simulations of the O3 system," Chemical Physics 552, 111357 (featured on cover)
- Subramaniam, S. and K. A. Stephani (2021), "Navier–Stokes equations with rovibrational state-resolved transport flux closure," Physics of Fluids 33 (6), 067117.
- Pan, T.-J. and K. A. Stephani (2021), "Rovibrationally state-specific collision model for the O2(3Σg-) + O(3P) system in DSMC," J. Chem. Phys. 154 (10), 104306.
- Subramaniam, S., R.L. Jaffe and K. A. Stephani (2020), "State-resolved transport collision integrals for the O+O2 system," Phys. Rev. Fluids 5 (11), 113402.
- Swaminathan-Gopalan, K. and K. A. Stephani (2019), "Construction of Finite Rate Surface Chemistry Models from Pulsed Hyperthermal Beam Experimental Data," AIP Advances 9, 035246.
- Pan, T.-J., T. Wilson, and K. A. Stephani (2019), “Vibrational state-specific model for dissociation and recombination of the O2(3Σg-) + O(3P) system in DSMC,” J. Chem. Phys. 150, 074305.
- Subramaniam, S. and K. A. Stephani (2018), "Assessment of continuum breakdown for chemically reacting wake flows," Phys. Rev. Fluids 3, 123401.
- Swaminathan-Gopalan, K., A. Borner, V. J. Murray, S. Poovathingal, T. K. Minton, N. N. Mansour, and K. A. Stephani (2018), "Development and validation of a finite-rate model for carbon oxidation by atomic oxygen," Carbon, 137, 313-332.
- Zhu, T., K. Swaminathan-Gopalan, K. A. Stephani, and E. Ertekin (2018), "Thermoelectric phonon glass electron crystal via ion beam patterning of silicon," Phys. Rev. B 87, 174201.
- Zhu, T., K. Swaminathan-Gopalan, K. J. Cruse, K. Stephani, E. Ertekin (2018), "Vibrational energy transport in hybrid ordered/disordered nanocomposites: hybridization and avoided crossings of localized and delocalized modes," Adv. Funct. Mater., 1706268.
- Swaminathan-Gopalan, K., T. Zhu, E. Ertekin and K. A. Stephani (2017), "Structural and thermal effects of ion-irradiation induced defect configurations in silicon," Phys. Rev. B 95, 184109.
- Swaminathan-Gopalan, K., S. Subramaniam, and K. A. Stephani (2016), "Generalized Chapman-Enskog continuum breakdown parameters for chemically reacting flows," Phys. Rev. Fluids 1, 083402, doi:https://doi.org/10.1103/PhysRevFluids.1.083402.
- Stephani, K. A. and I. D. Boyd, (2016), "Spacecraft plume interactions with the magnetosphere plasma environment in geostationary Earth orbit," J. Geophys. Res. Space Physics, 121, 1402-1412, doi:10.1002/2015JA021158.
- Swaminathan-Gopalan, K. and K. A. Stephani, (2016), "Recommended DSMC collision model parameters for modeling ionized air transport processes," Phys. Fluids 28 027171; doi: 10.1063/1.4939719.
- Stephani, K. A. and I. D. Boyd, (2015), "Molecular dynamics modeling of defect formation in many-layer hexagonal boron nitride," Nuclear Instruments and Methods in Physics Research B, 365, 235-239.
- Stephani, K. A., I. D. Boyd, R. L. Balthazor, M. G. McHarg, B. A. Mueller, and R. J. Adams (2014), "Analysis and observation of spacecraft plume/ionosphere interactions during maneuvers of the space shuttle," J. Geophys. Res. Space Physics, 119, 7636–7648, doi:10.1002/2013JA019476.
- Stephani, K. A. and I. D. Boyd, (2014), "Detailed modeling and analysis of spacecraft plume/ionosphere interactions in low Earth orbit," J. Geophys. Res. Space Physics, 119, 2101–2116, doi:10.1002/2013JA019222.
- Stephani, K. A., D. B. Goldstein, and P.L. Varghese, (2013), "A non-equilibrium surface reservoir approach for hybrid DSMC/Navier–Stokes particle generation," J. Comp. Phys., Volume 232, Issue 1, Pages 468-481, doi: 10.1016/j.jcp.2012.08.017.
- Stephani, K. A., D. B. Goldstein, and P. L. Varghese, (2012), "Consistent treatment of transport properties for five-species air direct simulation Monte Carlo/Navier-Stokes applications," Phys. Fluids 24, 077101; doi: 10.1063/1.4729610.
- Stephani, K. A. and D. B. Goldstein, (2010), "An Examination of Trapped Bubbles for Viscous Drag Reduction on Submerged Surfaces," J. Fluids Eng. 132(4), 041303 (9 pages); doi:10.1115/1.4001273.
- Region III Associate Fellow Regional Representative, American Institute of Aeronautics and Astronautics (2021-2022)
- Member, American Physical Society
- Associate Fellow, American Institute of Aeronautics and Astronautics
Service on College Committees
- Center for Hypersonics and Entry Systems Studies, leadership (2019-present)
Service to Federal and State Government
- University Consortium for Applied Hypersonics, Co-director (2020-present)
- List of Teachers Ranked as Excellent by Their Students, Spring 2019
- List of Teachers Ranked as Excellent by Their Students, Fall 2017
- Presidential Early Career Award for Scientists and Engineers (PECASE) Award (2019)
- AFOSR Young Investigator Research Program (YIP) Award (2017)
- NASA Early Career Faculty (ECF) Award (2015)
- AFOSR Summer Faculty Fellow - AFRL/RQ Wright-Patterson Air Force Base (2015)
- Stanford CTR Summer Program Fellowship (2010)
- Caltech Summer Undergraduate Research Fellowship (SURF) (2005)
Recent Courses Taught
- AE 312 - Compressible Flow
- ME 410 - Intermediate Gas Dynamics
- ME 510 (AE 510) - Advanced Gas Dynamics
- TAM 335 AE1 (TAM 335 AE2) - Introductory Fluid Mechanics
October 18, 2022
Stephani gives voice to importance of hypersonics in America's arsenal
- October 7, 2022
July 27, 2022
Stephani among experts discussing hypersonic weapons capabilities
- April 7, 2022
March 23, 2022
Why is the use of hypersonic missiles in the Russia-Ukraine conflict significant?
- July 13, 2021