All Stories

  1. In-Situ thrust measurement of fish during locomotion; test-case: sharks

    Article • April 2025, Authorea, Inc.

    Roi Gurka

  2. Physical and biological effects on moths’ navigation performance

    Article • Movement Ecology, March 2025, Springer Science + Business Media

    Roi Gurka

  3. Towards a standard application of the Reynolds number in studies of aquatic animal locomotion

    Article • Journal of Experimental Biology, February 2025, The Company of Biologists

    Roi Gurka

  4. In-Situ thrust measurement of sharks during locomotion

    Article • January 2025, Authorea, Inc.

    Roi Gurka

  5. Exploration–exploitation model of moth-inspired olfactory navigation

    Article • Journal of The Royal Society Interface, July 2024, Royal Society Publishing

    Roi Gurka

  6. Physical and biological effects on moths' navigation performance

    Article • March 2024, Research Square

    Roi Gurka

  7. Numerical study of owls' leading-edge serrations

    Article • Physics of Fluids, December 2023, American Institute of Physics

    Roi Gurka

  8. The hydrodynamic performance of duck feet for submerged swimming resembles oars rather than delta-wings

    Article • Scientific Reports, September 2023, Springer Science + Business Media

    Roi Gurka

  9. The leading-edge vortex over a swift-like high-aspect-ratio wing with nonlinear swept-back geometry

    Article • Bioinspiration & Biomimetics, October 2022, Institute of Physics Publishing

    Roi Gurka

  10. On an adaptation of the Reynolds number, applicable to body-caudal-fin aquatic locomotion

    Article • Frontiers in Marine Science, September 2022, Frontiers

    Roi Gurka

  11. Navigation in an odorant-landscape: mate finding and mate choice in a nocturnal moth

    Article • Entomologia Generalis, March 2022, Schweizerbart

    Roi Gurka

  12. Corrigendum to: Males perceive honest information from female released sex pheromone in a moth

    Article • Behavioral Ecology, February 2022, Oxford University Press (OUP)

    Roi Gurka

  13. Trophic guilds of suction-feeding fishes are distinguished by their characteristic hydrodynamics of swimming and feeding

    Article • Proceedings of the Royal Society B Biological Sciences, January 2022, Royal Society Publishing

    Roi Gurka

  14. Application of passive flow control techniques to attenuate the unsteady near wake of airborne turrets in subsonic flow

    Article • Aerospace Science and Technology, December 2021, Elsevier

    PhD Hadar Ben-Gida, Roi Gurka

  15. Males perceive honest information from female released sex pheromone in a moth

    Article • Behavioral Ecology, July 2021, Oxford University Press (OUP)

    Roi Gurka

  16. Wake characteristics of a freely rotating bioinspired swept rotor blade

    Article • Royal Society Open Science, July 2021, Royal Society Publishing

    Roi Gurka

  17. Open-source computational simulation of moth-inspired navigation algorithm: A benchmark framework

    Article • MethodsX, January 2021, Elsevier

    Roi Gurka

  18. Direct Numerical Simulations of a Great Horn Owl in Flapping Flight

    Article • Integrative and Comparative Biology, September 2020, Oxford University Press (OUP)

    Roi Gurka

  19. Turbulent Wake-Flow Characteristics in the Near Wake of Freely Flying Raptors: A Comparative Analysis Between an Owl and a Hawk

    Article • Integrative and Comparative Biology, July 2020, Oxford University Press (OUP)

    PhD Hadar Ben-Gida, Roi Gurka

  20. Leading-Edge Vortex as a High-Lift Mechanism for Large-Aspect-Ratio Wings

    Article • AIAA Journal, July 2020, American Institute of Aeronautics and Astronautics (AIAA)

    PhD Hadar Ben-Gida, Roi Gurka, Distinguished Professor Daniel Weihs

  21. OpenPIV-MATLAB — An open-source software for particle image velocimetry; test case: Birds’ aerodynamics

    Article • SoftwareX, July 2020, Elsevier

    PhD Hadar Ben-Gida, Roi Gurka

  22. Aerodynamic forces acting on birds during flight: A comparative study of a shorebird, songbird and a strigiform

    Article • Experimental Thermal and Fluid Science, May 2020, Elsevier

    PhD Hadar Ben-Gida, Roi Gurka

  23. The Aerodynamics and Power Requirements of Forward Flapping Flight in the Mango Stem Borer Beetle (Batocera rufomaculata)

    Article • Integrative Organismal Biology, January 2020, Oxford University Press (OUP)

    Roi Gurka

  24. The hydrodynamic regime drives flow reversals in suction-feeding larval fishes during early ontogeny

    Article • Journal of Experimental Biology, January 2020, The Company of Biologists

    Roi Gurka

  25. Hydrodynamic regime drives flow reversals in suction feeding larval fishes during early ontogeny

    Article • September 2019, Cold Spring Harbor Laboratory Press

    Roi Gurka

  26. Open source computational simulation for a moth-inspired navigation algorithm

    Article • August 2019, Cold Spring Harbor Laboratory Press

    Roi Gurka

  27. Leading-edge vortices over swept-back wings with varying sweep geometries

    Article • Royal Society Open Science, July 2019, Royal Society Publishing

    Roi Gurka

  28. Lift Enhancement by a Stationary Leading-Edge Vortex Over a High Aspect Ratio Wing

    Article • June 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Distinguished Professor Daniel Weihs, PhD Hadar Ben-Gida, Roi Gurka

  29. Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques

    Article • Journal of Visualized Experiments, March 2019, MyJove Corporation

    Roi Gurka

  30. Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques

    Article • Journal of Visualized Experiments, March 2019, MyJove Corporation

    Roi Gurka

  31. Flow Features of the Near Wake of the Australian Boobook Owl (Ninox boobook) During Flapping Flight Suggest an Aerodynamic Mechanism of Sound Suppression for Stealthy Flight

    Article • Integrative Organismal Biology, January 2019, Oxford University Press (OUP)

    PhD Hadar Ben-Gida, Roi Gurka

  32. Moth-inspired navigation algorithm in a turbulent odor plume from a pulsating source

    Article • PLOS One, June 2018, PLOS

    Professor Alex Liberzon, Roi Gurka

  33. THE EVOLUTION OF UNSTEADY FLOW STRUCTURES IN THE WAKE OF FLAPPING BIRD: EXPERIMETNAL AND NUMERICAL ANALYSIS

    Article • January 2018, Begell House

    Roi Gurka

  34. Experimental study of the initial growth of a localized turbulent patch in a stably stratified fluid

    Article • International Journal of Heat and Fluid Flow, August 2017, Elsevier

    Professor Alex Liberzon, Roi Gurka

  35. Physical Conditions of Coastal Hypoxia in the Open Embayment of Long Bay, South Carolina: 2006–2014

    Article • Estuaries and Coasts, April 2017, Springer Science + Business Media

    Roi Gurka

  36. Flow pattern similarities in the near wake of three bird species suggest a common role for unsteady aerodynamic effects in lift generation

    Article • Interface Focus, December 2016, Royal Society Publishing

    Roi Gurka, PhD Hadar Ben-Gida

  37. Flow Scales of Influence on the Settling Velocities of Particles with Varying Characteristics

    Article • PLOS One, August 2016, PLOS

    Roi Gurka

  38. A stratified wake of a hydrofoil accelerating from rest

    Article • Experimental Thermal and Fluid Science, January 2016, Elsevier

    Roi Gurka, Professor Alex Liberzon, PhD Hadar Ben-Gida

  39. On the Estimation of Time Dependent Lift of a European Starling (Sturnus vulgaris) during Flapping Flight

    Article • PLOS One, September 2015, PLOS

    Roi Gurka, PhD Hadar Ben-Gida

  40. Particle Image Velocimetry for Biological Mechanics

    Article • October 2014, Taylor & Francis

    Roi Gurka, Professor Alex Liberzon

  41. Effects of leading edge geometry on the vortex shedding frequency of an elongated bluff body at high Reynolds numbers

    Article • Journal of Wind Engineering and Industrial Aerodynamics, May 2014, Elsevier

    Roi Gurka

  42. Estimation of Unsteady Aerodynamics in the Wake of a Freely Flying European Starling (Sturnus vulgaris)

    Article • PLOS One, November 2013, PLOS

    Roi Gurka, PhD Hadar Ben-Gida

  43. Experiments on the vortex wake of a swimming knifefish

    Article • Experiments in Fluids, August 2013, Springer Science + Business Media

    Roi Gurka, Professor Alex Liberzon

  44. Distribution of spanwise enstrophy in the near wake of three symmetric elongated bluff bodies at high Reynolds number

    Article • Physics of Fluids, May 2013, American Institute of Physics

    Roi Gurka

  45. The near wake of a freely flying European starling

    Article • Physics of Fluids, May 2013, American Institute of Physics

    Roi Gurka

  46. Flexible blade for in-line measurement of low-range viscosity

    Article • Chemical Engineering Science, March 2013, Elsevier

    Roi Gurka, Professor Daphne Weihs, Professor Alex Liberzon

  47. Effects of particle size, concentration and surface coating on turbulent flow properties obtained using PIV/PTV

    Article • Experimental Thermal and Fluid Science, February 2013, Elsevier

    Roi Gurka

  48. Optical Methods and Unconventional Experimental Setups in Turbulence Research

    Article • December 2012, Taylor & Francis

    Roi Gurka

  49. Estimate of turbulent dissipation in a decaying grid turbulent flow

    Article • Experimental Thermal and Fluid Science, May 2012, Elsevier

    Roi Gurka, Professor Alex Liberzon

  50. Comparison between two and three-dimensional POD in a turbulent boundary layer using multi-plane stereoscopic PIV

    Article • Journal of Physics Conference Series, December 2011, Institute of Physics Publishing

    Roi Gurka, Professor Alex Liberzon

  51. A calibration scheme for quantitative concentration measurements using simultaneous PIV and PLIF

    Article • Experiments in Fluids, October 2011, Springer Science + Business Media

    Roi Gurka

  52. Features of the turbulent flow around symmetric elongated bluff bodies

    Article • Journal of Fluids and Structures, February 2011, Elsevier

    Roi Gurka

  53. Experimental investigation of tornado-like vortex dynamics with swirl ratio: The mean and turbulent flow fields

    Article • Journal of Wind Engineering and Industrial Aerodynamics, December 2010, Elsevier

    Roi Gurka

  54. Flow measurements regarding the timing of vortices during flutter

    Article • Journal of Wind Engineering and Industrial Aerodynamics, December 2010, Elsevier

    Roi Gurka

  55. Long-Duration Time-Resolved PIV to Study Unsteady Aerodynamics

    Article • IEEE Transactions on Instrumentation and Measurement, December 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Roi Gurka, Professor Alex Liberzon

  56. Spatial characterization of vortical structures and internal waves in a stratified turbulent wake using proper orthogonal decomposition

    Article • Physics of Fluids, August 2010, American Institute of Physics

    Roi Gurka, Professor Alex Liberzon

  57. Experimental Measurements of Expected Mass Fraction in a Contaminant Plume

    Article • Boundary-Layer Meteorology, July 2010, Springer Science + Business Media

    Roi Gurka

  58. Diffusion of scalar concentration from localized sources in turbulent flows

    Article • Reviews in Chemical Engineering, January 2010, De Gruyter

    Roi Gurka, Professor Alex Liberzon

  59. The fusion of actin bundles driven by interacting motor proteins

    Article • Physical Biology, May 2009, Institute of Physics Publishing

    Roi Gurka, Anne Bernheim

  60. Ink drop motion in wide-format printers

    Article • Chemical Engineering and Processing - Process Intensification, January 2009, Elsevier

    Roi Gurka, Professor Alex Liberzon

  61. Velocity kinematic relations in decaying turbulent flow past a grid

    Article • January 2009, Springer Science + Business Media

    Roi Gurka

  62. Distribution of Energy Spectra, Reynolds Stresses, Turbulence Production, and Dissipation in a Tidally Driven Bottom Boundary Layer

    Article • Journal of Physical Oceanography, June 2007, American Meteorological Society

    Roi Gurka

  63. POD of vorticity fields: A method for spatial characterization of coherent structures

    Article • International Journal of Heat and Fluid Flow, June 2006, Elsevier

    Roi Gurka, Professor Alex Liberzon

  64. Particle Image Velocimetry Measurements of Wake Flows of Various Bridge Sections

    Article • January 2006, ASME International

    Roi Gurka

  65. TD3 Bridge3

    Article • Wind Engineers JAWE, January 2006, Japan Association for Wind Engineering

    Roi Gurka

  66. Spatial characterization of the numerically simulated vorticity fields of a flow in a flume

    Article • Theoretical and Computational Fluid Dynamics, February 2005, Springer Science + Business Media

    Roi Gurka, Professor Alex Liberzon

  67. On turbulent energy production in wall bounded flows

    Article • Physics of Fluids, July 2004, American Institute of Physics

    Roi Gurka, Professor Alex Liberzon

  68. Detecting coherent patterns in a flume by using PIV and IR imaging techniques

    Article • Experiments in Fluids, April 2004, Springer Science + Business Media

    Roi Gurka, Professor Alex Liberzon

  69. XPIV?Multi-plane stereoscopic particle image velocimetry

    Article • Experiments in Fluids, February 2004, Springer Science + Business Media

    Roi Gurka, Professor Alex Liberzon

  70. Characterization of Turbulent Flow in a Flume with Surfactant

    Article • Journal of Fluids Engineering, January 2004, ASME International

    Roi Gurka, Professor Alex Liberzon

  71. Preliminary investigations of ultrasound induced acoustic streaming using particle image velocimetry

    Article • Ultrasonics, April 2001, Elsevier

    Roi Gurka, Professor Alex Liberzon