Results 1 to 10 of about 1,458,190 (338)

Monte Carlo Simulation of Photon Transmission Time in Wake Bubble Curtain

open access: yes水下无人系统学报, 2023
At present, the Monte Carlo simulation of the wake bubble curtain is mostly used to simulate the photon scattering direction, and few scholars have studied the distribution of photon transmission time.
Linbo YAN, Jiansheng ZHANG
doaj   +1 more source

Studying the Wake of a Tidal Turbine with an IBM-LBM Approach Using Realistic Inflow Conditions

open access: yesEnergies, 2022
The lattice Boltzmann method is used to model a horizontal axis tidal turbine. Because tidal turbines generally operate in highly turbulent flows, a synthetic eddy method is implemented to generate realistic turbulent inflow condition. The approach makes
Mickael Grondeau   +5 more
doaj   +1 more source

Application of High-Order WENO Scheme in the CFD/FW–H Method to Predict Helicopter Rotor Blade–Vortex Interaction Tonal Noise

open access: yesAerospace, 2022
The accurate prediction of helicopter rotor blade–vortex interaction (BVI) noise is challenging. This paper presents an implementation of the seventh-order improved weighted essentially non-oscillatory (WENO-Z) scheme for predicting rotor BVI noise using
Yan Sun, Yongjie Shi, Guohua Xu
doaj   +1 more source

Unsteady Effects of Wake on Downstream Rotor at Low Reynolds Numbers

open access: yesEnergies, 2022
In a compressor, the periodic wake is an inherently unsteady phenomenon that affects the downstream flow conditions and loading distribution. Thus, understanding the physical mechanisms of these unsteady effects is important for eliminating flow losses ...
Lin Li   +4 more
doaj   +1 more source

Effect of a Support Tower on the Performance and Wake of a Tidal Current Turbine

open access: yesEnergies, 2021
Tidal energy is one of the major sources of renewable energy. To accelerate the development of tidal energy, improved designs of Tidal Current Turbine (TCT) are necessary.
Zia Ur Rehman   +5 more
doaj   +1 more source

Mechanism of momentum transportation in the intermediate wake of a heated cylinder

open access: yesNihon Kikai Gakkai ronbunshu, 2020
Measurements in the wake of a heated cylinder are made by a thermo-anemometer. The purpose is to make clear the effects of buoyancy of heated cylinder on the mechanism of momentum transportation in the wake.
Hideaki WATANABE   +2 more
doaj   +1 more source

Effect of pulsatile flow to drag of a two-dimensional bluff body

open access: yesNihon Kikai Gakkai ronbunshu, 2021
Drag and velocity measurement on a two-dimensional bluff body has been performed in a pulsatile flow. Circular and rectangular cylinders were selected in the present study.
Kouki ISERI   +2 more
doaj   +1 more source

Numerical simulation of the flow and performance of a Savonius hydraulic turbine provided with a shield plate

open access: yesNihon Kikai Gakkai ronbunshu, 2020
The flow and performance of a rotor of a Savonius hydraulic turbine provided with a shield plate were analyzed by the two-dimensional simulations. The rotor diameter DR is 142 mm, and the Reynolds number based on the velocity of the main flow U0, U0DR/ν,
Kotaro TAKAMURE   +5 more
doaj   +1 more source

In the Wake of the Wake of the Wake [PDF]

open access: yesWasafiri, 2021
My favourite Simon Armitage poem, ‘Homecoming’, begins, ‘Think, two things on their own and both at once’, and tells, in brief, through juxtapositions of imagery, the story of a subject, ‘you’, a l...
openaire   +1 more source

Wind Tunnel Test on the Effect of Solidity on Near Wake Instability of Vertical-Axis Wind Turbine

open access: yesJournal of Marine Science and Engineering, 2020
Owing to the rapid development of the offshore wind power technology and increasing capacity of wind turbines, vertical-axis wind turbines (VAWTs) have experienced a great development.
Li Zou   +4 more
doaj   +1 more source

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