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Self-Propulsion of Chemically Active Droplets [PDF]
Annual Review of Fluid Mechanics, 2022 Microscopic active droplets are able to swim autonomously in viscous flows. This puzzling feature stems from solute exchanges with the surrounding fluid via surface reactions or their spontaneous solubilization and from the interfacial flows resulting ...
S. Michelin
semanticscholar +1 more source
Battery Energy Storage Systems in Ships’ Hybrid/Electric Propulsion Systems
Energies, 2023 The shipping industry is going through a period of technology transition that aims to increase the use of carbon-neutral fuels. There is a significant trend of vessels being ordered with alternative fuel propulsion.
M. Kolodziejski, I. Michalska-Pożoga
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Identifying Effective Drivers in the Future of Sports Businesses in Khorasan Razavi Province [PDF]
Journal of New Studies in Sport Management, 2022 The purpose of this study was to identify effective drivers in the future of sports businesses in Khorasan Razavi province. The participants included experts in management, marketing and sports businesses. The interviews were conducted by snowball method
Mohammad Ali Sahebkaran +2 more
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Underwater Undulating Propulsion Biomimetic Robots: A Review
Biomimetics, 2023 The traditional propeller-based propulsion of underwater robots is inefficient and poorly adapted to practice. By contrast, underwater biomimetic robots show better stability and maneuverability in harsh marine environments.
Gongbo Li +5 more
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Analysis of Effective Drivers in Pattern Framework of Spatial-Policy Making [PDF]
جغرافیا و آمایش شهری منطقهای, 2021 Architectural rupture and instability is a pattern of land management with disabilities and theoretical and operational shortcomings that the foundation of this kind of integrated and coordinating approach is always shaken with intensity and weakness ...
Hedayat Darvishi +3 more
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A Machine-Learning-Based Method for Ship Propulsion Power Prediction in Ice
Journal of Marine Science and Engineering, 2023 In recent years, safety issues respecting polar ship navigation in the presence of ice have become a research hotspot. The accurate prediction of propulsion power plays an important role in ensuring safe ship navigation and evaluating ship navigation ...
Li Zhou +4 more
semanticscholar +1 more source
High shear rate propulsion of acoustic microrobots in complex biological fluids
Science Advances, 2022 Untethered microrobots offer a great promise for localized targeted therapy in hard-to-access spaces in our body. Despite recent advancements, most microrobot propulsion capabilities have been limited to homogenous Newtonian fluids.
Amirreza Aghakhani +5 more
semanticscholar +1 more source
Overview of Propulsion Systems for Unmanned Aerial Vehicles
Energies, 2022 Unmanned Aerial Vehicle (UAV) propulsion technology is significantly related to the flight performance of UAVs, which has become one of the most important development directions of aviation.
Bowen Zhang +3 more
semanticscholar +1 more source
Estimate of Strouhal and Reynolds numbers for swimming penguins
Journal of Avian Biology, 2022 Propulsion performance of swimming and flying animals is often evaluated by using dimensionless numbers, such as the Strouhal and Reynolds numbers. They have been shown to allow a better understanding of locomotion efficiency, using relatively simple ...
M. H. Masud, M. La Mantia, P. Dabnichki
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Wind tunnel tests of hovering propellers in the transition state of Quad-Plane [PDF]
Bulletin of the Polish Academy of Sciences: Technical Sciences, 2021 The following paper presents wind tunnel investigation of aerodynamic characteristics of hovering propellers. This propulsion system may be applied on a lightweight Quad Plane VTOL (Vertical Take-Off and Landing) UAV (Unmanned Aerial Vehicle).
Katarzyna Pobikrowska +1 more
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