Results 1 to 10 of about 4,560,753 (234)
Flow Measurement in Steep Channels Using Large Scale Particle Image Velocimetry (LSPIV) [PDF]
علوم و مهندسی آبیاری, 2022 Measuring flow discharge in rivers and open channels has always been one of the most important concerns of water sciences experts. The most common flow measurement method in open channels is velocity- area approach.
Farhad Akbarpour +2 more
doaj +1 more source
Velocity distribution in a turbulent flow [PDF]
E3S Web of Conferences, 2021 The article considers the issue of velocity distribution in a turbulent flow. The logarithmic velocity profile obtained on the basis of semiempirical theory of turbulence by L. Prandtl is given.
Ignatenko Evgenii, Bryanskaya Yuliya
doaj +1 more source
Non-invasive assessment for intratumoural distribution of interstitial fluid flow
Magnetic Resonance Letters, 2023 Interstitial fluid plays a vital role in drug delivery and tumour treatment. However, few non-invasive measurement methods are available for measuring low-velocity biological fluid flow.
Jun Zhao +3 more
doaj +1 more source
Guan'gai paishui xuebao, 2022 【Objective】 The influence of wetland construction considering the comprehensive roughness on flow velocity field of Lake Fuxian was studied to provide the premise for water quality simulation.
CHENG Haoliang, YANG Jurui
doaj +1 more source
Journal of Pipeline Science and Engineering, 2021 The critical flow velocity phenomenon is common in erosion-corrosion of many materials. It is of great importance to develop methods to determine the critical flow velocity and understand mechanisms of the phenomenon so that it can be used for proper ...
Z.B. Wang, Y.G. Zheng
doaj +1 more source
Ecohydrology: environmental flow and its driving factors
Shui kexue jinzhan, 2020 This paper discussed the general conceptions on environmental flow (e-flow). Emphasis was laid on relationship between the dynamic change of ecosystem and factors resulted by hydrological change especially by the change of flow velocity whereby to ...
Changming LIU, Baohui MEN, Changsen ZHAO
doaj +1 more source
Effect of flow velocity on downstream energy absorbers and velocity coefficient [PDF]
E3S Web of Conferences, 2023 As a result of designing an energy absorber in the zone of conjugation of water outlet structures of low-pressure and mediumpressure reservoirs, the stilling basin is not only under the influence of vertical hydrodynamic pressure with a variable value ...
Khidirov Sanatjon +5 more
doaj +1 more source
Mechanical Engineering Journal, 2021 A pantograph receives aerodynamic force while a train is traveling. As the aerodynamic force increases in proportion to the square of the flow velocity relative to the pantograph, its influence on the pantograph becomes apparent, especially for high ...
Katsuhiro KIKUCHI +2 more
doaj +1 more source
Cardiovascular Ultrasound, 2003 Background Strain Rate Imaging shows the filling phases of the left ventricle to consist of a wave of myocardial stretching, propagating from base to apex. The propagation velocity of the strain rate wave is reduced in delayed relaxation.
Skjaerpe Terje +2 more
doaj +1 more source
Research on Performance Evaluation of Tidal Energy Turbine under Variable Velocity
Energies, 2020 Aiming at the performance evaluation problem of tidal energy turbines in the application of periodic time-varying flow velocity, with the goal of maximizing the efficiency of energy harvesting in practical applications, an evaluation system combining the
Chuhua Jiang +4 more
doaj +1 more source