Results 11 to 20 of about 8,894 (300)
INFLUENCE OF BLADE AND PROFILE CHARACTERISTICS ON HYDRODYNAMIC EFFICIENCY OF MARINE PROPELLERS
Nauka ta progres transportu, 2017 Purpose.The study involves: 1) formation of 3D propeller models under study; 2) studying of the effect of profiling the blade of the propeller on its hydrodynamic characteristics; 3) development of a methodology for specifying optimal project parameters ...
Y. M. Korol, O. M. Kornelyuk
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Hydrodynamic Analysis of a Marine Current Energy Converter for Profiling Floats
Energies, 2018 With the continuous improvement of people’s interest in ocean exploration, research on deep-water profiling floats has received more and more attention. Energy supply is the key factor that restricts the working hours of deep-water floats. For this
Shuang Wu, Yanjun Liu, Qi An
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Effect of 3D Shape of Pump-Turbine Runner Blade on Flow Characteristics in Turbine Mode
Journal of Mechanical Engineering, 2022 The effect of blade spatial profiling with the help of tangential blade lean of Francis pump-turbine runner with heads up to 200 m on the flow structure and energy characteristics was numerically investigated. A flow part model of Francis pump-turbine of
Andrii V. Rusanov +5 more
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iScienceSummary: Post-learning sleep is essential for hippocampal memory processing, including contextual fear memory consolidation. We labeled context-encoding engram neurons in the hippocampal dentate gyrus (DG) and assessed reactivation of these neurons after
Lijing Wang +11 more
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Design and Experiment of Profiling Furrow-Ridge Terrain by Cane Leaf-Chopping and Returning Machine
AgricultureConventional straw-returning machines were incompatible with ridge cultivation terrain and unevenly distributed materials, resulting in substandard operations such as insufficient leaf fragmentation, damage to ratoon stumps, and high cutting energy ...
Biao Zhang +3 more
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Journal of Applied Fluid Mechanics, 2018 In order to improve the performance of a transonic centrifugal compressor stage, non-axisymmetric endwall profiling optimization was conducted for the diffuser under design condition, Artificial Neural Network (ANN) and Genetic Algorithm (GA) were used ...
L. Zhou, F. Xiang, Z. Wang
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About analytic profiling of turbine blades
RUDN Journal of Engineering Research, 2012 An article presents an analytic method for designing the turbine blade profiles.
L V Vinogradov
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Design and Test Analysis of 1GYF-240 Sugarcane Straw Crushing and Returning Machine [PDF]
E3S Web of Conferences, 2023 Sugarcane is one of the largest economic crops in China. However, the current domestic sugarcane straw crushing and returning machines have limitations such as short service life, poor crushing effect, and low operating efficiency.
Wang Shuo +8 more
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Aerodynamical Performance Decay Due to Fouling and Erosion in Axial Compressor for GT Aeroengines [PDF]
E3S Web of Conferences, 2020 The ingestion of solid abrasive particles and/or foulants causes erosion of the compressor blades, resulting in a considerable reduction in the performance and working life of aviation/heavy duty GT and an increase in fuel consumption.
De Pratti Giovanni Maria
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On the issue of creating the optimal last stage of powerful steam turbines of nuclear power plants
Известия высших учебных заведений: Проблемы энергетики, 2023 THE PURPOSE. To estimate the most effective length of the working blade of the last stage of a powerful wet-steam turbine in terms of obtaining its maximum efficiency and to optimize the parameters of this stage in the design mode.
T. V. Bogomolova, G. A. Ahmadzadeh
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