نتایج جستجو برای: bubble loading

تعداد نتایج: 93513  

2012
SUNGYON LEE ANNE JUEL

We study the effect on bubble motion of the sudden streamwise expansion of a liquid-filled tube of square cross-section, which is formed by a pair of backward-facing and forward-facing steps. When a bubble of finite volume traveling under constant volume flux reaches the backward-facing step that marks the start of the expansion, the extent to which it broadens to partially fill the expansion d...

Journal: :journal of petroleum science and technology 2015
chunsheng pu liming zheng jing liu jiaxiang xu

foam injection is widely applied in amounts of fields to drilling, production, and formation protection. sometimes, the application result is disappointing, which is caused by the failure of bubble generation in foam flooding. therefore, it is necessary to seek ways for improving the performance of foam injection. an increased disturbance to the stratum, like the vibration caused by a seismic o...

Journal: :The Journal of Thoracic and Cardiovascular Surgery 2016

2018
Natalia Yu Babaeva George V Naidis Mark J Kushner

The interaction of plasmas sustained in humid air with liquids produces reactive species in both the gas phase and liquid for applications ranging from medicine to agriculture. In several experiments, enhanced liquid reactivity has been produced when the liquid is a foam or a bubble coated liquid. To investigate the phenomena of streamers interacting with bubbles a twodimensional computational ...

2011
Jun‐Hong Liang James C. McWilliams Peter P. Sullivan Burkard Baschek

[1] We report on the development of a bubble concentration model and a dissolved gas concentration model for the oceanic boundary layer. The bubble model solves a set of concentration equations for multiple gases in bubbles of different sizes, and the dissolved gas concentration model simulates the evolution of dissolved gases and dissolved inorganic carbon. The models include the effects of ad...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1386

چکیده ندارد.

2013
Weiling Li Wenqi Zhong Baosheng Jin Rui Xiao Yong Lu Tingting He

Experiments were performed in a three-phase bubble column to study variations of bubble rise velocities. The dynamic gas disengagement (DGD) technique and the fast response pressure transducers were utilized to investigate the bubble rise in the column. The superficial gas velocity of large bubbles and small bubbles, the rise velocities of larger and small bubble fractions were studied consider...

2008
Md. Iqbal Hossain Yanhui Yang Raymond Lau

Bubble size measurement using imaging technique is commonly used when visualization is possible. However, overlapped bubble images are commonly found. The absence of internal separating line in overlapped bubble images creates difficulty in automatic algorithm development for accurate bubble size measurement. Common methodologies such as manipulation of pixel connectivity, segmentation by morph...

Journal: :Gazi university journal of science 2022

Metal matrix syntactic foams (MMSFs) are advance hybrid materials which reflect synergetic combination of particle reinforced composites and close cell metal foams. Recently, MMSFs have become considerably popular for several industrial areas because their low density, high compression strength, good ductility perfect energy absorption ability. In this paper, Al 7075/bubble alumina were fabrica...

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