The subject of this study is a simplified model of an elongated body intended for controlled, low-speed landing after being released far above the ground. The envisioned system is structurally simple and compact. It comprises a cylindrical body with a vectored propulsor attached to its upper end. Far from the ground a low-magnitude thrust force directs the body toward the target site and maintains stable orientation, whereas near the ground higher thrust decelerates and directs the body to ensure low-speed landing near the target location. A 6-DOF dynamics model is applied for simulating the body descent. A strip approach is used for evaluating aerodynamic forces on the body. The thrust magnitude and direction are the controlled parameters. Results of simulations are presented for several scenarios of the body descending on the ground in calm air and in the presence of wind.
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ASME 2018 5th Joint US-European Fluids Engineering Division Summer Meeting
July 15–20, 2018
Montreal, Quebec, Canada
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-5155-5
PROCEEDINGS PAPER
Modeling of Decelerated Descent of an Elongated Body With Vectored Thrust
Konstantin I. Matveev,
Konstantin I. Matveev
Washington State University, Pullman, WA
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John P. Swensen,
John P. Swensen
Washington State University, Pullman, WA
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Matthew E. Taylor
Matthew E. Taylor
Washington State University, Pullman, WA
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Konstantin I. Matveev
Washington State University, Pullman, WA
John P. Swensen
Washington State University, Pullman, WA
Matthew E. Taylor
Washington State University, Pullman, WA
Paper No:
FEDSM2018-83171, V001T01A003; 5 pages
Published Online:
October 24, 2018
Citation
Matveev, KI, Swensen, JP, & Taylor, ME. "Modeling of Decelerated Descent of an Elongated Body With Vectored Thrust." Proceedings of the ASME 2018 5th Joint US-European Fluids Engineering Division Summer Meeting. Volume 1: Flow Manipulation and Active Control; Bio-Inspired Fluid Mechanics; Boundary Layer and High-Speed Flows; Fluids Engineering Education; Transport Phenomena in Energy Conversion and Mixing; Turbulent Flows; Vortex Dynamics; DNS/LES and Hybrid RANS/LES Methods; Fluid Structure Interaction; Fluid Dynamics of Wind Energy; Bubble, Droplet, and Aerosol Dynamics. Montreal, Quebec, Canada. July 15–20, 2018. V001T01A003. ASME. https://doi.org/10.1115/FEDSM2018-83171
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