Publications

The following indicates the list of published and manuscript-ready works.

TBL	Turbulent Boundary Layer
VDIM	Variable Density Instabilities and Mixing (Shock-, Blast- and Gravity driven)
CRTJ	Complex Reactions and Turbulent Jets

Peer-Reviewed Publications

2024	VDIM	“Turbulent/non-turbulent interface in Rayleigh-Taylor flows”, P. Suchandra, M. Mikhaeil, G. Pathikonda, S. Petter, D. Ranjan, accepted for publication, Journal of Turbulence, 2025
2024	Other	“Advanced human heat exposure sensing using two cylinder anemometer and radiometer: introducing CARla”, K. Rykaczewski; A, Joshi; S. H. Viswanathan, E. Parkerson, M. Gupta, M. Park, I. DeClair, K. Sadeghi, S. Wereski, G. Pathikonda, J. K. Vanos & A. Middel, International Journal of Biometeorology, vol. 69, 2025
2024	Other	“Simultaneous imaging of multi-pore sweat dynamics and evaporation rate measurement using wind tunnel ventilated capsule with infrared window”, A. K. Jaiswal; C. T. Jose; R. Ramesh; V. K. Nanani; K. Sadeghi; A. Joshi; K. Kompally; G. Pathikonda; H. N. Emady; B. Bheda; S. A. Kavouras; K. Rykaczewski, iScience, vol. 27, 2024
2024	Other	“Characterization of human extreme heat exposure using an outdoor thermal manikin”, A. Joshi, S. H. Viswanathan, A. K. Jaiswal, K. Sadeghi, L. Bartels, R. M. Jain, G. Pathikonda, J. K. Vanos, A. Middel, K. Rykaczewski, Science of The Total Environment, 2024
2024	Other	“A simple three‑cylinder radiometer and low‑speed anemometer to characterize human extreme heat exposure”, K. Rykaczewski, A. Joshi, S.H. Viswanathan, S. S. Guddanti, K. Sadeghi, M. Gupta, A. K. Jaiswal, K. Kompally, G. Pathikonda, R. Barlett, J.K Vanos, A. Middel, International Journal of Biometeorology, 2024
2023	VDIM	“Multi-fidelity validation of variable-density turbulent mixing models”, B. Musci, B. Olson, S. Petter, G. Pathikonda, D. Ranjan, Physical Review Fluids, vol. 8, 2023
2023	CRTJ	“Coaxial jets with disparate viscosity: mixing and relaminarization characteristics”, M. Usta, M. C. Ahmad, G. Pathikonda, I. Khan, P. Gillis, D. Ranjan, C. Aidun, Journal of Fluid Mechanics, 955, 2023
2023	CRTJ	“Inline spectroscopic measurement and LES of competitive consecutive reaction in a confined liquid jet in coflow”, M. C. Ahmad, M. Usta, G. Pathikonda, I. Khan, P. Gillis, S. Dhodapkar, P. Jain, D. Ranjan, C. Aidun, Chemical Engineering Science, 268, 2023
2022	VDIM	“Temporal evolution of scalar modes in Richtmyer-Meshkov instability of inclined interface using high-speed PIV and PLIF measurements at 60 kHz”, G. Pathikonda, S. J. Petter, I. E. Wall, D. Ranjan, Measurement Science and Technology, 33, 2022 \| ‘Emerging Leaders 2022’ Award
2021	VDIM	“Simultaneous velocity and density measurements of fully developed Rayleigh-Taylor turbulent mixing”, M. Mikhaeil, P. Suchandra, G. Pathikonda, D. Ranjan, Physical Review Fluids, 6, 2021
2021	Other	“Using optical diagnostics to study non-equilibrium condensation in a highly unsteady environment”, C. H. Lim, G. Pathikonda, S. Johnston, D. Ranjan, Experimental Thermal and Fluid Science, vol. 127, 2021
2021	Other	“Numerical analyses of high temperature dense, granular flows coupled to high temperature flow property measurements for solar thermal energy storage”, J. D. Yarrington, M. V. Bagepalli, G. Pathikonda, A. J. Schrader, Z. M. Zhang, D. Ranjan, P. G. Loutzenhiser, Solar Energy, vol. 213, 2021
2021	CRTJ	“Mixing behavior in a conﬁned jet with disparate viscosity and implications for complex reactions”, G. Pathikonda, M. Usta, M. C. Ahmad, I. Khan, P. Gillis, S. Dhodapkar, P. Jain, D. Ranjan and C. K. Aidun, Chemical Engineering Journal, vol. 403, 2021
2020	VDIM	“The variable acceleration effects on the growth of a blast-driven instability in a laboratory scale facility”, B. Musci, S. Petter, G. Pathikonda, B. Ochs, D. Ranjan, The Astrophysical Journal, 896-2, 2020
2020	VDIM	“High-Speed Measurements of Turbulent Mixing in Shock-Driven Variable-Density Flows”, J.Carter and G. Pathikonda (co-lead), N. Jiang, J. Felver, S. Roy, D. Ranjan, Nature Scientific Reports, 9, 2019
2019	VDIM	“The transition to turbulence in shock-driven mixing: effects of Mach number and initial conditions”, M. Mohaghar, J. Carter, G. Pathikonda, D. Ranjan, Journal of Fluid Mechanics, 2019
2019	Other	“Visualization of supercritical carbon dioxide flow through a converging-diverging nozzle”, C. Lim, G. Pathikonda, S. Pidaparti, D. Ranjan, ASME Turbo Expo 2019
2019	TBL	“Investigation of inner–outer interactions in a turbulent boundary layer using high-speed PIV”, G. Pathikonda and K. Christensen, Physical Review Fluids, 4, 2019
2017	TBL	“Inner–Outer interactions in a turbulent boundary layer overlying complex roughness”, G. Pathikonda and K. Christensen, Physical Review Fluids, 2, 2017
2017	TBL	“Cross-stream stereoscopic PIV of a modified turbulent boundary layer over directional surface pattern”, Kevin, J.P. Monty, H.L. Bai, G. Pathikonda, B. Nugroho, J.M. Barros, K.T. Christensen and N. Hutchins, Journal of Fluid Mechanics, 813, pp. 412-435, 2017
2015	TBL	“Structure of Turbulent Channel Flow Perturbed by a Wall-Mounted Cylindrical Element”, G. Pathikonda and K. Christensen, AIAA Journal, 2015.
2013	TBL	“The role of laminar separation bubble on low Reynolds number airfoils”, A. Mitra, G. Pathikonda, ON Ramesh, 51st AIAA Aerospace Sciences Meeting, 2013

Conference Proceedings

2025	TBL	“Characterization of Convecting-Rotating Cylinder (CRC) as a Surrogate Vortex for Vortex-Surface Interactions”, IE Wall, V Raghav, G Pathikonda, AIAA SCITECH 2025
2025	TBL	“Development of Vortex Generation System Using a Pitching and Plunging Airfoil”, A Nair, M Hooks, L Ahmed, G Pathikonda, V Raghav, AIAA SCITECH 2025
2025	TBL	“Geometry-Induced Separation of a Boundary Layer Over Directional Riblets”, K Kompally, G Pathikonda, AIAA SCITECH 2025
2023	TBL	“Simultaneous Flow-Field Measurements of Velocity and Scalar Mixture Fraction from a Point Source in a Turbulent Boundary Layer”, I. E. Wall, G. Pathikonda, 15th International Symposium on Particle Image Velocimetry, San Diego, USA, 2023
2019	CRTJ	“The Effect of Viscosity On Turbulent Mixing in a Co-Flowing Jet Mixer”, G. Pathikonda, M. Usta, C. Ahmad, V. Lee, I. Khan, P. Gillis, C. Aidun, D. Ranjan, Proceedings of the 11th International Symposium on Turbulence nad Shear Flow Phenomenon, Southampton, 2019
2019	TBL	“Effect of Roughness on the Spatio-Temporal Characteristics of Inner-Outer Interactions in a Turbulent Boundary Layer”, G. Pathikonda, C. Clark, G. Blois, K. Christensen, Proceedings of the 11th International Symposium on Turbulence nad Shear Flow Phenomenon, Southampton, 2019
2019	VDIM	“The Evolution of Mixing Modes in Richtmyer-Meshkov Instability”, G. Pathikonda, M. Mohaghar, J. Carter, D. Ranjan, Proceedings of the 32nd International Symposium of Shock Waves, Singapore, 2019
2019	VDIM	“Initial Experimental Results Concerning the Blast Driven Instability”, B. Musci, S. J. Petter, G. Pathikonda, D. Ranjan, Proceedings of the 32nd International Symposium of Shock Waves, Singapore, 2019
2018	VDIM	“An Experimental study of the blast driven Rayleigh-Taylor and Richtmyer-Meshkov instabilities: Preliminary results”, B. Musci, S. Petter, G. Pathikonda, D. Ranjan and N. Denissen, 16th International Workshop on the Physics of Compressible Turbulent Mixing, Marseille, 2018
2018	VDIM	“A study of vorticity evolution in Richtmyer-Meshkov instability using high-resolution and high-speed measurements”, J. Carter, M. Mohaghar, B. Ochs, G. Pathikonda, D. Ranjan, N. Jiang and S. Roy, 16th International Workshop on the Physics of Compressible Turbulent Mixing, Marseille, 2018
2018	VDIM	“Dynamics of the Rayleigh-Taylor instability in the self-similar regime”, P. Suchandra, M. Mikhaeil, G. Pathikonda and D. Ranjan, 16th International Workshop on the Physics of Compressible Turbulent Mixing, Marseille, 2018
2017	TBL	“Investigation of inner-outer interactions in a rough-wall turbulent boundary layer using time-resolved PIV”, G. Pathikonda and K. Christensen, International Symposium on Turbulence and Shear Flow Phenomenon (TSFP-10), Chicago, 2017
2016	TBL	“Inner–Outer interactions in a turbulent boundary layer overlying a complex roughness”, G. Pathikonda and K. Christensen, 24th International Conference of Theoretical and Applied Mechanics (ICTAM), Montreal, 2016
2015	TBL	“Dissecting a modified turbulent boundary layer using particle image velocimetry”, Kevin, B. Nugroho, J.P. Monty, N. Hutchins, G. Pathikonda, J.M. Barros, K Christensen, 7th Australian Conference on Laser Diagnostics in Fluid Mechanics and Combustion, 2015
2015	TBL	“Inner–Outer interactions in a turbulent boundary layer overlying complex roughness”, G. Pathikonda and K. Christensen, Proceedings of International Symposium on Turbulence and Shear Flow Phenomenon (TSFP-9), Melbourne, 2015