Results 1 to 10 of about 77,637 (198)
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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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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Analyzing Intra-Cycle Velocity Profile and Trunk Inclination during Wheelchair Racing Propulsion
Sensors, 2022 The analysis of intra-cycle velocity profile of manual wheelchair (MWC) users has been used to highlight the significant role of trunk inertia in propulsion biomechanics. Maximal wheelchair linear velocity has previously been observed to be reached after
Yoann Poulet +5 more
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Overview on Efficient Naval Power Architecture
Proceedings, 2020 Possible configurations for propulsion and electric power generation on vessels are an important field for the researcher in the naval area. The most important is electric power generation. Nowadays, diesel engines are the main prime movers, although all
Mariana Dumitrescu
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Mini/Micro/Nano Scale Liquid Metal Motors
Micromachines, 2021 Swimming motors navigating in complex fluidic environments have received tremendous attention over the last decade. In particular, liquid metal (LM) as a new emerging material has shown considerable potential in furthering the development of swimming ...
Li Liu, Dawei Wang, Wei Rao
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Principle, Fabrication and Emerging Applications of Nanobottle Motor
Energies, 2022 Micro/nano-motors play an important role in energy, environment, and biomedicines. As a new type of nano-motors, nanobottles attract great attention due to their distinct advantages of a large cavity, high specific surface area, bionic streamline ...
Qingyuan Liu +4 more
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Present and future of aircraft carriers as a floating diplomatic and military means of deterrence [PDF]
INCAS Bulletin, 2011 The aircraft carrier is the most capable offshore military warship the mankind has ever build and is considered as a symbol of the absolute navy and national strenght. Construction of an aircraft carrier is having a great impact on country`s industry and
Miroslav KELEMEN +3 more
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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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Power Prediction Method for Ships Using Data Regression Models
Journal of Marine Science and Engineering, 2023 This study proposes machine learning-based prediction models to estimate hull form performance. The developed models can predict the residuary resistance coefficient (CR), wake fraction (wTM), and thrust deduction fraction (t). The multi-layer perceptron
Yoo-Chul Kim +5 more
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Project of universal test stand for underwater vehicles’ thrusters
Scientific Journal of Gdynia Maritime University, 2020 This article presents the design and implementation of the next stage of research conducted as part of the design and construction of an underwater inspection robot.
Filip Dudek +6 more
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