نتایج جستجو برای: hydraulic geometry

تعداد نتایج: 172443  

Journal: :Journal of biomechanical engineering 2001
M Johnson J M Tarbell

A biphasic, anisotropic elastic model of the aortict wall is developed and compared to literature values of experimental measurements of vessel wall radii, thickness, and hvdraulic conductivity as a function of intraluminal pressure. The model gives good predictions using a constant wall modulus for pressures less than 60 mmHg, but requires a strain-dependent modulus for pressures greater than ...

Journal: :Journal of engineering science 2023

The Meghna is one of the major rivers in Bangladesh. Frequent changes flow and water level a regular phenomenon due to high seasonal rainfall variation. Such variations are exaggerated with cliamte change induced effects. Hence, it crucial figure out how climate will affect river's hydraulic properties. This study assesses surface profile specific 120 km long reach river. A model was set up run...

2014
HELMUT KOBUS HANS-PETER KOSCHITZKY Hans-Peter Koschitzky

In open channel flows, local surface aeration processes occur mainly at weirs and drop structures and in hydraulic jumps. Air entrainment in the wakes of bluff bodies is observed only in high speed flows. In water pollution abatement, the natural gas exchange at the free surface is sometimes not sufficient to balance the oxygen consumption due to pollutants. In such cases, local aeration is nee...

Journal: :Journal of experimental botany 2007
Hyun-Hee Han Catherine Coutand Hervé Cochard Catherine Trottier Pierre-Eric Lauri

The aim of this work was to study the variability of physiological responses to bending and the relationship with hydraulic conductance of the sap pathway to the laterals for five apple genotypes. The study focuses on the fate of the laterals. The genetic variability of bending can have two sources: a genetic variability of stem geometry which can lead to differences in mechanical state; and a ...

2016
Wenhuan Kuang Mark Zoback Jie Zhang

We extend a full-waveform modeling method to invert source focal-plane mechanisms for microseismic data recorded with dual-borehole seismic arrays. Combining inverted focal-plane mechanisms with geomechanics knowledge, we map the pore pressure distribution in the reservoir. Determining focal mechanisms for microseismic events is challenging due to poor geometry coverage. We use the P-wave polar...

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