Kelly Stephani

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Research Output

2019

A state-resolved dsmc recombination model using orbiting cross-sections from the o3 potential energy surface

Pan, T. J., Kondur, C., Subramaniam, S. & Stephani, K. A., 2019, AIAA Scitech 2019 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Scitech 2019 Forum).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

A state-resolved DSMC recombination model with orbiting-pair cross-sections

Pan, T. J., Subramaniam, S., Kondur, C. & Stephani, K., Aug 5 2019, 31st International Symposium on Rarefied Gas Dynamics, RGD 2018. Lockerby, D., Emerson, D. R., Wu, L. & Zhang, Y. (eds.). American Institute of Physics Inc., 070017. (AIP Conference Proceedings; vol. 2132).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

Comparison of CFD and DSMC using calibrated transport parameters

Liechty, D. S., Wise, A. J., Subramaniam, S. & Stephani, K. A., Aug 5 2019, 31st International Symposium on Rarefied Gas Dynamics, RGD 2018. Lockerby, D., Emerson, D. R., Wu, L. & Zhang, Y. (eds.). American Institute of Physics Inc., 070016. (AIP Conference Proceedings; vol. 2132).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

Computation of orbiting cross-sections from ab initio potential energy surfaces for recombination of atomic oxygen

Kondur, C., Subramaniam, S., Pan, T. J. & Stephani, K. A., 2019, AIAA Scitech 2019 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Scitech 2019 Forum).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Computation of state to state transport coefficients using ab initio potential energy surfaces for the o + o2 system

Subramaniam, S. & Stephani, K. A., 2019, AIAA Scitech 2019 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Scitech 2019 Forum).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Construction of finite rate surface chemistry models from pulsed hyperthermal beam experimental data

Swaminathan-Gopalan, K. & Stephani, K. A., Mar 1 2019, In : AIP Advances. 9, 3, 035246.

Research output: Contribution to journalArticle

Open Access

Effective oxidation model for light-weight carbon preform ablators

Swaminathan-Gopalan, K., Stephani, K. A., Ferguson, J., Borner, A., Panerai, F. & Mansour, N. N., 2019, AIAA Scitech 2019 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Scitech 2019 Forum).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

State-based transport and scattering properties for the O + O2 system

Subramaniam, S. & Stephani, K. A., Aug 5 2019, 31st International Symposium on Rarefied Gas Dynamics, RGD 2018. Lockerby, D., Emerson, D. R., Wu, L. & Zhang, Y. (eds.). American Institute of Physics Inc., 150004. (AIP Conference Proceedings; vol. 2132).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

Vibrational state-specific model for dissociation and recombination of the O 2 ( 3 Σ g -) + O ( 3 P) system in DSMC

Pan, T. J., Wilson, T. J. & Stephani, K. A., Feb 21 2019, In : Journal of Chemical Physics. 150, 7, 074305.

Research output: Contribution to journalArticle

2018

Assessment of continuum breakdown for chemically reacting wake flows

Subramaniam, S. & Stephani, K. A., Dec 2018, In : Physical Review Fluids. 3, 12, 123302.

Research output: Contribution to journalArticle

Characterization of state-resolved transport for O+O2 collisions

Subramaniam, S. & Stephani, K. A., Jan 1 2018, AIAA Aerospace Sciences Meeting. 210059 ed. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Aerospace Sciences Meeting, 2018; no. 210059).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Development and validation of a finite-rate model for carbon oxidation by atomic oxygen

Swaminathan-Gopalan, K., Borner, A., Murray, V. J., Poovathingal, S., Minton, T. K., Mansour, N. N. & Stephani, K. A., Oct 2018, In : Carbon. 137, p. 313-332 20 p.

Research output: Contribution to journalArticle

Development of a detailed surface chemistry framework in DSMC

Swaminathan-Gopalan, K., Borner, A. & Stephani, K. A., Jan 1 2018, AIAA Aerospace Sciences Meeting. 210059 ed. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Aerospace Sciences Meeting, 2018; no. 210059).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

State-to-state dissociation and recombination modeling in DSMC using quasi-classical trajectory calculations for O + O2

Wilson, T. J., Pan, T. J. & Stephani, K. A., 2018, AIAA Aerospace Sciences Meeting. 210059 ed. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Aerospace Sciences Meeting, 2018; no. 210059).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Thermoelectric phonon-glass electron-crystal via ion beam patterning of silicon

Zhu, T., Swaminathan-Gopalan, K., Stephani, K. & Ertekin, E., May 1 2018, In : Physical Review B. 97, 17, 174201.

Research output: Contribution to journalArticle

Vibrational Energy Transport in Hybrid Ordered/Disordered Nanocomposites: Hybridization and Avoided Crossings of Localized and Delocalized Modes

Zhu, T., Swaminathan-Gopalan, K., Cruse, K. J., Stephani, K. & Ertekin, E., Apr 25 2018, In : Advanced Functional Materials. 28, 17, 1706268.

Research output: Contribution to journalArticle

2017

Construction of finite rate surface chemistry models from molecular beam experimental data

Swaminathan-Gopalan, K. & Stephani, K. A., 2017, 47th AIAA Thermophysics Conference, 2017. American Institute of Aeronautics and Astronautics Inc, AIAA, (47th AIAA Thermophysics Conference, 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Detailed DSMC surface chemistry modeling of the oxidation of light-weight carbon preform ablators

Borner, A., Swaminathan-Gopalan, K., Stephani, K. A., Murray, V. J., Poovathingal, S., Minton, T. K., Panerai, F. & Mansour, N. N., Jan 1 2017, 47th AIAA Thermophysics Conference, 2017. American Institute of Aeronautics and Astronautics Inc, AIAA, (47th AIAA Thermophysics Conference, 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Inuence of surface chemistry on continuum breakdown in high-speed chemically reacting flows

Subramaniam, S. & Stephani, K. A., 2017, 47th AIAA Thermophysics Conference, 2017. American Institute of Aeronautics and Astronautics Inc, AIAA, (47th AIAA Thermophysics Conference, 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Structural and thermal effects of ion-irradiation induced defect configurations in silicon

Swaminathan-Gopalan, K., Zhu, T., Ertekin, E. & Stephani, K. A., May 24 2017, In : Physical Review B. 95, 18, 184109.

Research output: Contribution to journalArticle

2016

Assessment of continuum breakdown for high-speed chemically reacting wake flows

Subramaniam, S., Swaminathan-Gopalan, K. & Stephani, K. A., 2016, 46th AIAA Thermophysics Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, (46th AIAA Thermophysics Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Assessment of continuum breakdown for high-speed chemically reacting wake flows

Subramaniam, S., Swaminathan-Gopalan, K. & Stephani, K., 2016, 46th AIAA Thermophysics Conference. American Institute of Aeronautics and Astronautics Inc, AIAA

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Detailed DSMC surface chemistry modeling of the oxidation of carbon-based ablators

Borner, A., Swaminathan-Gopalan, K., Stephani, K. & Mansour, N. N., Nov 15 2016, 30th International Symposium on Rarefied Gas Dynamics, RGD 2016. Struchtrup, H. & Ketsdever, A. (eds.). American Institute of Physics Inc., 100001. (AIP Conference Proceedings; vol. 1786).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Generalized Chapman-Enskog continuum breakdown parameters for chemically reacting flows

Swaminathan-Gopalan, K., Subramaniam, S. & Stephani, K. A., Dec 2016, In : Physical Review Fluids. 1, 8, 083402.

Research output: Contribution to journalArticle

Investigation of velocity-space coupling approach in DSMC for tail-driven processes

Pan, T. J. & Stephani, K. A., Nov 15 2016, 30th International Symposium on Rarefied Gas Dynamics, RGD 2016. Struchtrup, H. & Ketsdever, A. (eds.). American Institute of Physics Inc., 050017. (AIP Conference Proceedings; vol. 1786).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Recommended direct simulation Monte Carlo collision model parameters for modeling ionized air transport processes

Swaminathan-Gopalan, K. & Stephani, K., Feb 1 2016, In : Journal of Mathematical Physics. 57, 2, 027101.

Research output: Contribution to journalArticle

Spacecraft plume interactions with the magnetosphere plasma environment in geostationary Earth orbit

Stephani, K. A. & Boyd, I. D., Feb 1 2016, In : Journal of Geophysical Research A: Space Physics. 121, 2, p. 1402-1412 11 p.

Research output: Contribution to journalArticle

2015
2014

Analysis and observation of spacecraft plume/ionosphere interactions during maneuvers of the space shuttle

Stephani, K. A., Boyd, I. D., Balthazor, R. L., McHarg, M. G., Mueller, B. A. & Adams, R. J., Sep 2014, In : Journal of Geophysical Research: Space Physics. 119, 9, p. 7636-7648 13 p.

Research output: Contribution to journalArticle

Detailed modeling and analysis of spacecraft plume/ionosphere interactions in low Earth orbit

Stephani, K. A. & Boyd, I. D., Mar 2014, In : Journal of Geophysical Research: Space Physics. 119, 3, p. 2101-2116 16 p.

Research output: Contribution to journalArticle

2013

A non-equilibrium surface reservoir approach for hybrid DSMC/Navier-Stokes particle generation

Stephani, K. A., Goldstein, D. B. & Varghese, P. L., Jan 1 2013, In : Journal of Computational Physics. 232, 1, p. 468-481 14 p.

Research output: Contribution to journalArticle

Detailed modeling and analysis of spacecraft plume/ionosphere interactions in low earth orbit

Stephani, K. A. & Boyd, I. D., 2013.

Research output: Contribution to conferencePaper

2012

Consistent treatment of transport properties for five-species air direct simulation Monte Carlo/Navier-Stokes applications

Stephani, K. A., Goldstein, D. B. & Varghese, P. L., Jul 10 2012, In : Physics of fluids. 24, 7, 077101.

Research output: Contribution to journalArticle

Generation of a hybrid DSMC/CFD solution for gas mixtures with internal degrees of freedom

Stephani, K. A., Goldstein, D. B. & Varghese, P. L., Dec 1 2012.

Research output: Contribution to conferencePaper

2011

Development of a hybrid DSMC/Navier-stokes solver with application to the STS-119 boundary layer transition flight experiments

Stephani, K. A., Goldstein, D. B. & Varghese, P. L., Dec 6 2011.

Research output: Contribution to conferencePaper

Parametric study of hypersonic boundary layer flow over discrete surface roughness using a hybrid DSMC/Navier-Stokes solver

Stephani, K. A., Goldstein, D. B. & Varghese, P. L., 2011, 41st AIAA Fluid Dynamics Conference and Exhibit. American Institute of Aeronautics and Astronautics Inc., (41st AIAA Fluid Dynamics Conference and Exhibit).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Temperature / rarefaction effects in hypersonic boundary-layer flow with an oblique roughness element

Groskopf, G., Kloker, M. J. & Stephani, K. A., 2011, 41st AIAA Fluid Dynamics Conference and Exhibit. American Institute of Aeronautics and Astronautics Inc., (41st AIAA Fluid Dynamics Conference and Exhibit).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2010

An examination of trapped bubbles for viscous drag reduction on submerged surfaces

Stephani, K. A. & Goldstein, D. B., Apr 1 2010, In : Journal of Fluids Engineering, Transactions of the ASME. 132, 4, p. 413031-413039 9 p.

Research output: Contribution to journalArticle

Effects of rarefaction on hypersonic boundary layer flow over discrete surface roughness

Stephani, K. A., Goldstein, D. B. & Varghese, P. L., 2010, 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition. 2010-0456. (48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2009

DNS study of transient disturbance growth and bypass transition due to realistic roughness

Stephani, K. A. & Goldstein, D. B., Dec 1 2009, 47th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition. 2009-0585. (47th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2007

The effects of trapped bubbles on viscous drag reduction for submerged surfaces

Stephani, K. A. & Goldstein, D. B., Nov 5 2007, Collection of Technical Papers - 37th AIAA Fluid Dynamics Conference. p. 802-815 14 p. (Collection of Technical Papers - 37th AIAA Fluid Dynamics Conference; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2006

Drag reduction using trapped bubbles on a flat plate surface

Stephani, K. A., Marr, K. C., Doctor, R. & Goldstein, D. B., Dec 11 2006, Collection of Technical Papers - 3rd AIAA Flow Control Conference. p. 845-863 19 p. (Collection of Technical Papers - 3rd AIAA Flow Control Conference; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution