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Associate Professor Sridhar Ravi

Deputy Head of School
UNSW Canberra
School of Eng & Tech

Associate Professor Sridhar Ravi is the Deputy Head of the School of Engineering and Technology at UNSW Canberra and leader of the Bio-Engineering Research Group.

Dr. Sridhar Ravi completed Bachelors of Engineering (Aerospace) and PhD from RMIT University in 2007 & 2011 respectively. For his PhD, Dr. Ravi studied the influence of wind turbulence on the aerodynamic performance of wings. Between 2012 and 2014 he was a Post-Doc in the Dept. of Organismic and Evolutionary Biology in Harvard University where he studied insect and bird flight in complex spatial and wind environments.  From 2015 – 2017 Dr. Ravi worked in Chiba University and University of Bielefeld on JSPS Fellowship and Alexander von Humboldt Fellowship respectively. Here he studied bio-inspired design and neuroethology of flight through complex environments. Dr Ravi returned to Australia in 2017 as a Lecturer in RMIT University in 2019 joined UNSW-Canberra as a Senior Lecturer.

E-mail
sridhar.r@unsw.edu.au
Location
Building 17 Room 211
  • Book Chapters | 2023
    Singh S; Desai R; Srinivasan MV; Ravi S, 2023, 'The Analysis of Collision Avoidance in Honeybee Flights', in Sustainable Aviation, Springer International Publishing, pp. 143 - 150,
    Book Chapters | 2021
    Kolomenskiy D; Ravi S; Xu R; Ueyama K; Jakobi T; Engels T; Nakata T; Sesterhenn J; Farge M; Schneider K; Onishi R; Liu H, 2021, 'The Dynamics of Bumblebee Wing Pitching Rotation: Measurement and Modelling', in Advances in Critical Flow Dynamics Involving Moving/Deformable Structures with Design Applications, pp. 125 - 133,
  • Journal articles | 2024
    Bhat SS; Anavatti SG; Garratt M; Ravi S, 2024, 'Review of autonomous outdoor blimps and their applications', Drone Systems and Applications, 12, pp. 1 - 21,
    Journal articles | 2024
    Bhat SS; Medina A; Tian FB; Young J; Lai JCS; Ravi S, 2024, 'Proximity to the water surface markedly enhances the force production on underwater flapping wings', PLoS ONE, 19,
    Journal articles | 2024
    Chao LM; Jia L; Wang S; Liberzon A; Ravi S; Couzin ID; Li L, 2024, 'Tailbeat perturbations improve swimming efficiency by reducing the phase lag between body motion and the resulting fluid response', PNAS Nexus, 3,
    Journal articles | 2024
    Desai R; Garratt MA; Srinivasan MV; Ravi S, 2024, 'Honey bee foraging behaviour can be influenced by preferencesfor oscillating flowers', Animal Behaviour, 214, pp. 147 - 156,
    Journal articles | 2024
    Ji X; Wang L; Ravi S; Young J; Lai JCS; Tian FB, 2024, 'Aerodynamic and aeroacoustic performance of a pitching foil with trailing edge serrations at a high Reynolds number', Theoretical and Computational Fluid Dynamics, 38, pp. 825 - 844,
    Journal articles | 2024
    Pham HQ; Singh S; Garratt M; Ravi S, 2024, 'Controlling a bio-inspired miniature blimp using a depth sensing neural-network camera', Bioinspiration and Biomimetics, 19,
    Journal articles | 2024
    Singh S; Garratt M; Srinivasan M; Ravi S, 2024, 'Analysis of collision avoidance in honeybee flight', Journal of the Royal Society Interface, 21,
    Journal articles | 2024
    Tran VP; Garratt MA; Anavatti SG; Ravi S, 2024, 'Collaborative gas source localization strategy with networked nano-drones in unknown cluttered environments', Swarm and Evolutionary Computation, 89,
    Journal articles | 2024
    Wang L; Young J; Tian F-B, 2024, 'An immersed boundary method for the thermo–fluid–structure interaction in rarefied gas flows', Physics of Fluids, 36, pp. 013616,
    Journal articles | 2023
    Bhat SS; Mazharmanesh S; Medina A; Tian FB; Young J; Lai JCS; Ravi S, 2023, 'Pitch perturbation effects on a revolving wing at low Reynolds number', Physical Review Fluids, 8,
    Journal articles | 2023
    Huang Q; Bhat SS; Yeo EC; Young J; Lai JCS; Tian FB; Ravi S, 2023, 'Power synchronisations determine the hovering flight efficiency of passively pitching flapping wings', Journal of Fluid Mechanics, 974, pp. a41,
    Journal articles | 2023
    Majumdar D; Ravi S; Sarkar S, 2023, 'Passive dynamics regulates aperiodic transitions in flapping wing systems', PNAS Nexus, 2,
    Journal articles | 2023
    Mazharmanesh S; Young J; Tian FB; Ravi S; Lai JCS, 2023, 'Coupling performance of two tandem and side-by-side inverted piezoelectric flags in an oscillating flow', Journal of Fluids and Structures, 119,
    Journal articles | 2023
    Ramirez-Esquivel F; Ravi S, 2023, 'Functional anatomy of the worker honeybee stinger (Apis mellifera)', iScience, 26,
    Journal articles | 2022
    Huang Q; Liu Z; Wang L; Ravi S; Young J; Lai JCS; Tian FB, 2022, 'Streamline penetration, velocity error, and consequences of the feedback immersed boundary method', Physics of Fluids, 34,
    Journal articles | 2022
    Ji X; Wang L; Ravi S; Tian FB; Young J; Lai JCS, 2022, 'Influences of serrated trailing edge on the aerodynamic and aeroacoustic performance of a flapping wing during hovering flight', Physics of Fluids, 34,
    Journal articles | 2022
    Li L; Ravi S; Wang C, 2022, 'Editorial: Robotics to Understand Animal Behaviour', Frontiers in Robotics and AI, 9,
    Journal articles | 2022
    Mazharmanesh S; Young J; Tian FB; Ravi S; Lai JCS, 2022, 'Energy harvesting of inverted piezoelectric flags in an oscillating flow', Journal of Fluids and Structures, 115,
    Journal articles | 2022
    Ravi S; Siesenop T; Bertrand OJ; Li L; Doussot C; Fisher A; Warren WH; Egelhaaf M, 2022, 'Bumblebees display characteristics of active vision during robust obstacle avoidance flight', The Journal of experimental biology, 225,
    Journal articles | 2021
    Bertrand OJN; Doussot C; Siesenop T; Ravi S; Egelhaaf M, 2021, 'Visual and movement memories steer foraging bumblebees along habitual routes', Journal of Experimental Biology, 224,
    Journal articles | 2021
    Li L; Ravi S; Xie G; Couzin ID, 2021, 'Using a robotic platform to study the influence of relative tailbeat phase on the energetic costs of side-by-side swimming in fish', Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 477,
    Journal articles | 2021
    Li Q; Yuan J; Shen H; Deng J; Jakobi TR; Ravi S; Wang X; Ji A, 2021, 'Aerodynamics of a half-rotating wing in hovering flight: An integrated study', Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 235, pp. 2407 - 2425,
    Journal articles | 2021
    Mazharmanesh S; Stallard J; Medina A; Fisher A; Ando N; Tian FB; Young J; Ravi S, 2021, 'Effects of uniform vertical inflow perturbations on the performance of flapping wings', Royal Society Open Science, 8, pp. 210471,
    Journal articles | 2021
    Mazharmanesh S; Stallard J; Medina A; Fisher A; Ando N; Tian FB; Young J; Ravi S, 2021, 'Performance of passively pitching flapping wings in the presence of vertical inflows', Bioinspiration and Biomimetics, 16, pp. 056003,
    Journal articles | 2021
    Thoma A; Moni A; Ravi S, 2021, 'Significance of parallel computing on the performance of digital image correlation algorithms in matlab', Designs, 5, pp. 1 - 21,
    Journal articles | 2020
    Ravi S; Noda R; Gagliardi S; Kolomenskiy D; Combes S; Liu H; Biewener AA; Konow N, 2020, 'Modulation of Flight Muscle Recruitment and Wing Rotation Enables Hummingbirds to Mitigate Aerial Roll Perturbations', Current Biology, 30, pp. 187 - 195.e4,
    Journal articles | 2020
    Ravi S; Siesenop T; Bertrand O; Li L; Doussot C; Warren WH; Combes SA; Egelhaaf M, 2020, 'Bumblebees perceive the spatial layout of their environment in relation to their body size and form to minimize inflight collisions', Proceedings of the National Academy of Sciences of the United States of America, 117, pp. 31494 - 31499,
    Journal articles | 2020
    Tian R; Li L; Wang W; Chang X; Ravi S; Xie G, 2020, 'CFD based parameter tuning for motion control of robotic fish', Bioinspiration and Biomimetics, 15,
    Journal articles | 2020
    Wang W; Ji A; Chen G; Ravi S; Shen H; Gorb SN; Dai Z, 2020, 'Kinematics of gecko climbing: the lateral undulation pattern', Zoology, 140,
    Journal articles | 2019
    Kolomenskiy D; Ravi S; Xu R; Ueyama K; Jakobi T; Engels T; Nakata T; Sesterhenn J; Farge M; Schneider K; Onishi R; Liu H, 2019, 'Wing Morphology and Inertial Properties of Bumblebees', Journal of Aero Aqua Bio-mechanisms, 8, pp. 41 - 47,
    Journal articles | 2019
    Kolomenskiy D; Ravi S; Xu R; Ueyama K; Jakobi T; Engels T; Nakata T; Sesterhenn J; Schneider K; Onishi R; Liu H, 2019, 'The dynamics of passive feathering rotation in hovering flight of bumblebees', Journal of Fluids and Structures, 91,
    Journal articles | 2019
    Li L; Liu A; Wang W; Ravi S; Fu R; Yu J; Xie G, 2019, 'Bottom-level motion control for robotic fish to swim in groups: Modeling and experiments', Bioinspiration and Biomimetics, 14,
    Journal articles | 2019
    Ravi S; Bertrand O; Siesenop T; Manz LS; Doussot C; Fisher A; Egelhaaf M, 2019, 'Gap perception in bumblebees', Journal of Experimental Biology, 222,
    Journal articles | 2018
    Jakobi T; Kolomenskiy D; Ikeda T; Watkins S; Fisher A; Liu H; Ravi S, 2018, 'Bees with attitude: The effects of directed gusts on flight trajectories', Biology Open, 7,
    Journal articles | 2018
    Ravi S; Bertrand O; Siesenop T; Manz L-S; Doussot C; Fisher A; Egelhaaf M, 2018, 'Gap perception in bumblebees', ,
    Journal articles | 2017
    UEYAMA K; KOLOMENSKIY D; NAKATA T; LIU H; RAVI S, 2017, 'Aerodynamic performance of bumblebee with flexible wing hinges', The Proceedings of the Bioengineering Conference Annual Meeting of BED/JSME, 2017.29, pp. 2F21 - 2F21,
    Journal articles | 2016
    Fisher A; Ravi S; Watkins S; Watmuff J; Wang C; Liu H; Petersen P, 2016, 'The gust-mitigating potential of flapping wings', Bioinspiration and Biomimetics, 11,
    Journal articles | 2016
    Liu H; Ravi S; Kolomenskiy D; Tanaka H, 2016, 'Biomechanics and biomimetics in insect-inspired flight systems', Philosophical Transactions of the Royal Society B: Biological Sciences, 371,
    Journal articles | 2016
    Ravi S; Garcia JE; Wang C; Dyer AG, 2016, 'The answer is blowing in the wind: Free-flying honeybees can integrate visual and mechano-sensory inputs for making complex foraging decisions', Journal of Experimental Biology, 219, pp. 3465 - 3472,
    Journal articles | 2016
    Ravi S; Kolomenskiy D; Engels T; Schneider K; Wang C; Sesterhenn J; Liu H, 2016, 'Bumblebees minimize control challenges by combining active and passive modes in unsteady winds', Scientific Reports, 6, pp. 35043,
    Journal articles | 2016
    Shyy W; Kang CK; Chirarattananon P; Ravi S; Liu H, 2016, 'Aerodynamics, sensing and control of insect-scale flapping-wing flight', Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 472,
    Journal articles | 2016
    Shyy W; Kang CK; Chirarattananon P; Ravi S; Liu H, 2016, 'Erratum: Aerodynamics, sensing and control of insect-scale flapping-wing flight (Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences (2016) 472 (20150712) DOI: 10.1098/rspa.2015.0712)', Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 472,
    Journal articles | 2016
    Switzer CM; Hogendoorn K; Ravi S; Combes SA, 2016, 'Shakers and head bangers: differences in sonication behavior between Australian Amegilla murrayensis (blue-banded bees) and North American Bombus impatiens (bumblebees)', Arthropod-Plant Interactions, 10, pp. 1 - 8,
    Journal articles | 2015
    Crall JD; Ravi S; Mountcastle AM; Combes SA, 2015, 'Bumblebee flight performance in cluttered environments: Effects of obstacle orientation, body size and acceleration', Journal of Experimental Biology, 218, pp. 2728 - 2737,
    Journal articles | 2015
    Mountcastle AM; Ravi S; Combes SA, 2015, 'Nectar vs. Pollen loading affects the tradeoff between flight stability and maneuverability in bumblebees', Proceedings of the National Academy of Sciences of the United States of America, 112, pp. 10527 - 10532,
    Journal articles | 2015
    Ravi S; Crall JD; McNeilly L; Gagliardi SF; Biewener AA; Combes SA, 2015, 'Hummingbird flight stability and control in freestream turbulent winds', Journal of Experimental Biology, 218, pp. 1444 - 1452,
    Journal articles | 2015
    Ravi S; Kanow N; Noda R; Combes S; Liu H, 2015, 'OS1-3 DYNAMICS OF HUMMINGBIRDS FLYING IN HIGHLY TURBULENT WINDS(OS1: Bio-inspired Flight System Biomechanics I)', The Proceedings of the Asian Pacific Conference on Biomechanics : emerging science and technology in biomechanics, 2015.8, pp. 64 - 64,
    Journal articles | 2014
    Dyer AG; Ravi S; Garcia JE, 2014, 'Flying in Complex Environments: Can Insects Bind Multiple Sensory Perceptions and What Could Be the Lessons for Machine Vision?', Journal of Software Engineering and Applications, 07, pp. 406 - 412,
    Journal articles | 2014
    Wildmann N; Ravi S; Bange J, 2014, 'Towards higher accuracy and better frequency response with standard multi-hole probes in turbulence measurement with remotely piloted aircraft (RPA)', Atmospheric Measurement Techniques, 7, pp. 1027 - 1041,
    Journal articles | 2013
    Ravi S; Crall JD; Fisher A; Combes SA, 2013, 'Rolling with the flow: Bumblebees flying in unsteady wakes', Journal of Experimental Biology, 216, pp. 4299 - 4309,
    Journal articles | 2013
    Ravi S; Watkins S; Watmuff J; Fisher A, 2013, 'Transient loads occurring over a thin airfoil subjected to large-scale freestream turbulence', AIAA Journal, 51, pp. 1473 - 1485,
    Journal articles | 2012
    Ravi S; Watkins S; Watmuff J; Massey K; Petersen P; Marino M; Ravi A, 2012, 'The flow over a thin airfoil subjected to elevated levels of freestream turbulence at low Reynolds numbers', Experiments in Fluids, 53, pp. 637 - 653,
    Journal articles | 2012
    Ravi S; Watkins S; Watmuff J; Massey K; Petersen P; Marino M, 2012, 'Influence of large-scale freestream turbulence on the performance of a thin airfoil', AIAA Journal, 50, pp. 2448 - 2459,
    Journal articles | 2011
    Ravi S; Petersen P; Watkins S; Marino M; Watmuff J, 2011, 'Aerodynamic performance and flow structure over a thin airfoil under smooth and turbulent conditions at low reynolds numbers', Journal of Flow Visualization and Image Processing, 18, pp. 253 - 274,
    Journal articles | 2010
    Watkins S; Ravi S; Loxton B, 2010, 'The effect of turbulence on the aerodynamics of low Reynolds number wings', Engineering Letters, 18
  • Preprints | 2024
    Jakobi T; Watkins S; Fisher A; Ravi S, 2024, Bumblebees Exhibit Adaptive Flapping Responses to Air Disturbances,
    Conference Papers | 2024
    Wang L; Young J; Tian F-B, 2024, 'An immersed boundary method for the thermo–fluid–structure interaction in rarefied gas flows', in Physics of Fluids, AIP Publishing,
    Conference Papers | 2024
    Wang L; Young J; Tian FB, 2024, 'An immersed boundary method for the thermo-fluid-structure interaction in rarefied gas flows', in Physics of Fluids,
    Conference Papers | 2023
    Dhileep K; Huang Q; Tian F; Young J; Lai JCS; Sofge D; Ravi S, 2023, 'Investigation of bio-inspired tail-first swimming using numerical and robotic models', in 2023 IEEE International Conference on Robotics and Biomimetics, ROBIO 2023,
    Conference Papers | 2023
    Huang Q; Kou J; Tian FB; Young J; Lai JCS; Ravi S, 2023, 'Dynamic mode decomposition for unsteady flow over flapping wings', in AIAA SciTech Forum and Exposition, 2023,
    Conference Papers | 2023
    Huang Q; Tian F-B; Young J; Lai J; Ravi S, 2023, 'Numerical Study of Passively Pitching Tandem Dragonfly Wings for Hovering Flight', in AIAA SCITECH 2023 Forum, American Institute of Aeronautics and Astronautics (AIAA), National Harbor, MD & Online, presented at AIAA SCITECH 2023 Forum, National Harbor, MD & Online, 23 January 2023 - 27 January 2023,
    Conference Papers | 2023
    Rossouw M; Ravi S; Garratt M, 2023, 'Bio-Inspired blimps and multiple-agent source localisation', in 2023 IEEE International Conference on Robotics and Biomimetics, ROBIO 2023,
    Conference Papers | 2023
    Rossouw MI; Ravi S; Garratt MAB, 2023, 'An Open-Source Autopilot and Source Localisation for Bio-Inspired Miniature Blimps', in AIAA SciTech Forum and Exposition, 2023, American Institute of Aeronautics and Astronautics (AIAA), presented at AIAA SCITECH 2023 Forum,
    Conference Papers | 2023
    Rossouw MI; Ravi S; Garratt MAB, 2023, 'Correction to: An Open-Source Autopilot and Source Localisation for Bio-Inspired Miniature Blimps (AIAA SciTech Forum and Exposition, 2023)', in AIAA SciTech Forum and Exposition, 2023,
    Conference Papers | 2022
    Dhileep K; Mazharmanesh S; Singh S; Staska S; Young J; Medina A; Fisher A; Ravi S, 2022, 'Influence of ground and ceiling effect on the aerodynamic characteristics of flapping wings', in AIAA AVIATION 2022 Forum,
    Conference Papers | 2022
    Dhileep K; Ross PA; Tian F; Young J; Hoffmann AA; Lai J; Ravi S, 2022, 'Flow Field around Swimming Mosquito Larvae', in Lei C; Thornber B; Armfield S (eds.), Proceedings of the 23rd Australasian Fluid Mechanics Conference, Sydney, presented at 23rd Australasian Fluid Mechanics Conference - 23AFMC, Sydney, 04 December 2022 - 08 December 2022,
    Conference Papers | 2022
    Huang Q; Liu Z; Moni A; Ravi S; Tian FB; Young J; Lai JCS, 2022, 'REDUCING VELOCITY ERROR AND ITS CONSEQUENCES BY AN ITERATIVE FEEDBACK IMMERSED BOUNDARY METHOD', in World Congress in Computational Mechanics and ECCOMAS Congress,
    Conference Papers | 2022
    Huang Q; Tian F; Young J; Lai J; Ravi S, 2022, 'Numerical modelling of underactuated flapping wings inspired by the indirect-flight muscles of insects', in The 23rd Australasian Fluid Mechanics Conference, Sydney, presented at The 23rd Australasian Fluid Mechanics Conference, Sydney, 04 December 2022 - 08 December 2022,
    Conference Papers | 2022
    Jin B; Wang L; Ravi S; Young J; Lai J; Tian F, 2022, 'A numerical study of active blowing control on a three--dimensional low-aspect-ratio heaving plate', in The 23rd Australasian Fluid Mechanics Conference, Sydney, presented at The 23rd Australasian Fluid Mechanics Conference, Sydney, 04 December 2022 - 08 December 2022,
    Conference Papers | 2022
    Lin TX; Zhang F; Rossouw M; Garratt MAB; Ravi S; Schuler TK; Maxseiner AB; Sofge DA; Lofaro DM, 2022, 'Miniature Autonomous Blimps for Indoor Applications', in AIAA Science and Technology Forum and Exposition, AIAA SciTech Forum 2022, American Institute of Aeronautics and Astronautics (AIAA), presented at AIAA SCITECH 2022 Forum,
    Conference Papers | 2022
    Rajamuni M; Liu Z; Tian F; Lai J; Young J; Ravi S, 2022, 'An immersed boundaryregularised Lattice Boltzmann Method for acoustic simulations of FSI problems', in The 23rd Australasian Fluid Mechanics Conference, Sydney, presented at The 23rd Australasian Fluid Mechanics Conference, Sydney, 04 December 2022 - 08 December 2022,
    Conference Papers | 2022
    Wang L; Younas A; Ravi S; Young J; Tian F, 2022, 'An immersed boundary method for fluid-structure interaction in rarefied gas slip flow', Sydney, presented at The 23rd Australasian Fluid Mechanics Conference, Sydney, 04 December 2022 - 08 December 2022,
    Conference Papers | 2021
    Huang Q; Mazharmanesh S; Tian FB; Young J; Lai JCS; Ravi S, 2021, 'CFD solver validations for simulating passively pitching tandem wings in hovering flight', in Proceedings of the International Congress on Modelling and Simulation, MODSIM, Modelling and Simulation Society of Australia and New Zealand, pp. 71 - 77, presented at MODSIM2021, 24th International Congress on Modelling and Simulation.,
    Preprints | 2018
    Jakobi T; Kolomenskiy D; Ikeda T; Watkins S; Fisher A; Liu H; Ravi S, 2018, Bees with attitude: the effect of gusts on flight dynamics, ,
    Preprints | 2016
    Kolomenskiy D; Ravi S; Takabayashi T; Ikeda T; Ueyama K; Engels T; Fisher A; Tanaka H; Schneider K; Sesterhenn J; Liu H, 2016, Added costs of insect-scale flapping flight in unsteady airflows, ,
    Preprints | 2016
    Ravi S; Kolomenskiy D; Engels T; Schneider K; Wang C; Sesterhenn J; Liu H, 2016, Bumblebees minimize control challenges by combining active and passive modes in unsteady winds, ,
    Preprints | 2013
    Wildmann N; Ravi S; Bange J, 2013, Towards higher accuracy and better frequency response with standard multi-hole probes in turbulence measurement with Remotely Piloted Aircraft (RPA),
    Conference Papers | 2012
    Marino M; Ravi S; Watkins S, 2012, 'Optimum location of pressure measurments around a wing as a dynamic control input in smooth and turbulent conditions', in 28th Congress of the International Council of the Aeronautical Sciences 2012, ICAS 2012, pp. 955 - 962
    Conference Papers | 2012
    Ravi S; Watkins S; Watmuff J; Petersen P; Marino M, 2012, 'The influence of turbulence intensity on the flow structure over a thin airfoil at low Reynolds numbers', in 28th Congress of the International Council of the Aeronautical Sciences 2012, ICAS 2012, pp. 946 - 954
    Conference Papers | 2011
    Ravi S; Watkins S; Petersen P, 2011, 'Pressure fluctuations over an airfoil in smooth and turbulent flow at low Reynolds number', in 14th Australian International Aerospace Congress, AIAC 2011
    Preprints |
    Ravi S; Noda R; Gagliardi S; Kolomenskiy D; Combes S; Liu H; Biewener A; Konow N, Modulation of Flight Muscle Recruitment and Wing Rotation Enables Hummingbirds to Mitigate Aerial Roll Perturbations, ,

Ongoing Projects:

1) Compliant musculoskeletal actuation in insects and bio-inspired designs for flying robots

2) Robust flight control systems for miniature blimps

3) Effects of passive wing rotation on aerodynamics performance of flapping wings

4) Influence of ground effect on oscillating wings

5) Voice-coil based wing actuation systems for flapping wings

My Teaching

Rotorcraft Engineering

Fundamentals of Flight