Results 11 to 20 of about 290,233 (267)
Applied Sciences, 2023 The failure of swirling ship propellers in marine environments can lead to huge repair costs. One of the main causes of such failure is when propellers tangle with vegetation, especially in shallow flow environments like ports, harbours, or shipyards. In
Jaan H. Pu
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Effect of helical inducer usage on both performance and Npsh For A centrifugal pump
Water Science, 2022 Centrifugal pumps consume the equivalent of one fifth of the total energy consumption around the world. Also, increasing the requirement for fresh water negatively affects water levels from its various sources such as rivers, canals, and groundwater.
Abdullah. H. I. Aboelnil +2 more
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THE VELOCITY DISTRIBUTION OF HYPERVELOCITY STARS [PDF]
The Astrophysical Journal, 2014 We consider the process of stellar binaries tidally disrupted by a supermassive black hole. For highly eccentric orbits, as one star is ejected from the three-body system, the companion remains bound to the black hole. Hypervelocity stars (HVSs) observed in the Galactic halo and S-stars observed orbiting the central black hole may originate from such ...
Rossi, Elena M. +2 more
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CFD modeling of slurry pipeline at different prandtl numbers
Journal of Thermal Engineering, 2021 The present work shows the slurry flow characteristics of glass beads having density 2470 kg/m3 at different Prandtl number through a horizontal pipeline.
Om PARKASH +2 more
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Analytical and comparative investigation of particulate size effect on slurry flow characteristics u
Journal of Thermal Engineering, 2021 The key issue associated with the industries is the transportation and dumping of solids particulates in the form of slurry at the desired place using long length pipelines. In this perspective, numerical simulation of three-dimensional horizontal slurry
Om PARKASH +2 more
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Mechanical Engineering Journal, 2021 A sodium-cooled fast reactor has been designed to attain a high burn-up core in commercialized fast reactor cycle systems. The sodium-cooled fast reactor adopts a wire spacer between fuel pins.
Kosuke AIZAWA +4 more
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The pulsar kick velocity distribution [PDF]
Monthly Notices of the Royal Astronomical Society, 1997 We analyse the sample of pulsar proper motions, taking detailed account of the selection effects of the original surveys. We treat censored data using survival statistics. From a comparison of our results with Monte Carlo simulations, we find that the mean birth speed of a pulsar is 250-300 km/s, rather than the 450 km/s foundby Lyne & Lorimer ...
Hansen, Brad M. S., Phinney, E. Sterl
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Velocity Distribution in Channels with Submerged Vegetation
Fluids, 2022 An experimental study is presented for investigating the effect of vegetation element geometry on the velocity distribution within and above the canopy.
Aristotelis Mavrommatis +1 more
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Singularity of the Velocity Distribution Function in Molecular Velocity Space [PDF]
Communications in Mathematical Physics, 2015 The purpose of this paper is to study the stationary linearized Boltzmann equation by integration of a related PDE for the molecular velocity. The main theorem characterizes the secondary singularity by an asymptotic formula. The proof uses modified Bessel functions, integration by parts, Euler's constant, Hölder's inequality, and Taylor's formula. The
Chen, I-Kun +3 more
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Mechanism of Drag Reduction by Dimple Structures on a Sphere
Journal of Fluid Science and Technology, 2012 The purpose of the present study is to clarify the mechanism of drag reduction for a sphere with arc type dimples. The sphere has 328 dimples of different depths uniformly distributed on its surface.
Katsumi AOKI, Koji MUTO, Hiroo OKANAGA
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