Hydrodynamic performance and calculation of lift–drag ratio on underwater glider
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Marine Science and Technology"
DOI: 10.1007/s00773-020-00716-7
Abstract: The hydrodynamic performance and lift-drag ratio of the underwater glider affected the state of its own operation. Therefore, a three-dimensional physical model and a mathematical model of a certain type of underwater glider are established.… read more here.
Keywords: glider; underwater glider; lift drag; drag ratio ... See more keywords
Onboard trajectory generation for gyroplane unpowered landing based on optimal lift-to-drag ratio target
Sign Up to like & getrecommendations! Published in 2018 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2018.09.023
Abstract: Abstract To achieve the autonomous unpowered landing for gyroplanes, an onboard trajectory generation method is presented in this paper. As a pivotal variable in the proposed method, the Lift-to-Drag Ratio will be uniquely determined in… read more here.
Keywords: trajectory generation; generation; lift drag; unpowered landing ... See more keywords
Inverse aerodynamic design for DEP propeller based on desired propeller slipstream
Sign Up to like & getrecommendations! Published in 2020 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2020.105820
Abstract: Abstract Considering the multi-propeller characteristics of DEP (distributed electric propulsion) configuration, the lift-to-drag ratio of the wing is improved by optimizing the slipstream of the propeller, rather than changing the chord length and twist distribution… read more here.
Keywords: lift drag; propeller; drag ratio; slipstream ... See more keywords
Optimization of Ski Attitude for the In-Flight Aerodynamic Performance of Ski Jumping
Sign Up to like & getrecommendations! Published in 2022 at "Biology"
DOI: 10.3390/biology11091362
Abstract: Simple Summary Flight distance determines the score of ski jumping and thus should be elongated in the competitions. Research has found that an analysis of aerodynamics is indispensable for ski jumping and the attitudes of… read more here.
Keywords: ski jumping; ski attitude; lift drag; lift ... See more keywords