Results 11 to 20 of about 1,099,031 (268)

Change of water saturation in tight sandstone gas reservoirs near wellbores

Natural Gas Industry B, 2018
Tight sandstone gas reservoirs commonly contain water, so liquid loading often appears near wellbores, leading to production decline and even shutdown of gas wells.
Hongyu Ma, Shusheng Gao, Liyou Ye, Huaxun Liu, Wei Xiong, Jianglong Shi, Lin Wang, Kang Wu, Qingshan Qi, Chunqiu Zhang   +9 more
doaj   +1 more source

Experimental Investigation on Atmospheric Pressure Plasma Jet under Locally Divergent Magnet Field

Energies, 2023
Regulating the parameters of the atmospheric pressure plasma jet (APPJ) is meaningful for industrial applications. Since plasma is a typical functional fluid in the magnetic field, it is possible to control the discharge characteristics via the Lorentz ...
Bo Shi, Manyu Wang, Pengfei Li, Ruoyu Han, Jiting Ouyang   +4 more
doaj   +1 more source

Numerical Study on the Effects of the Multiple Porous Medium Breakwaters on the Propagation of the Solitary Wave

Journal of Marine Science and Engineering, 2023
Submerged breakwater, as an important marine engineering structure, can effectively absorb wave energy and is widely used in marine engineering protection. As a new type of breakwater, porous medium breakwater has a certain influence on wave propagation.
Kui Zhu, Runxiang Jiang, Zhaolong Sun, Hao Qin, Zeqi Cheng, Yang Wang, Enjin Zhao   +6 more
doaj   +1 more source

Computational fluid dynamics study of polyethylene/ ethylene vinyl acetate blend morphology development in a spinneret by volume of fluid method [PDF]

Polyolefins Journal
In the current study, the flow field and morphology development of a polyethylene (PE) and ethylene vinyl acetate (EVA) blend were investigated numerically during extrusion through a spinneret using Fluent 6.3.26 software. The interface of the two phases
Parisa Mohammadzadeh Pakdel, Reza Yegani, Mahdi Salami Hosseini, Elham Shokri   +3 more
doaj   +1 more source

Strong confinement of active microalgae leads to inversion of vortex flow and enhanced mixing

eLife, 2021
Microorganisms swimming through viscous fluids imprint their propulsion mechanisms in the flow fields they generate. Extreme confinement of these swimmers between rigid boundaries often arises in natural and technological contexts, yet measurements of ...
Debasmita Mondal, Ameya G Prabhune, Sriram Ramaswamy, Prerna Sharma   +3 more
doaj   +1 more source

Height Uniformity Simulation and Experimental Study of Electroplating Gold Bump for 2.5D/3D Integrated Packaging

Micromachines, 2022
With the rapid development of nano/micro technology for commercial electronics, the typical interconnection method could not satisfy the high power-density packaging requirement.
Wenchao Tian, Zhao Li, Yongkun Wang, Guoguang Zhang   +3 more
doaj   +1 more source

CFD Simulation and Optimization of the Leaf Collecting Mechanism for the Riding-Type Tea Plucking Machine

Agriculture, 2023
In the process of tea plucking and leaf gathering, the structure optimization design of the leaf collecting mechanism is the key element responsible for collecting fresh leaves.
Xiaoxing Weng, Dapeng Tan, Gang Wang, Changqing Chen, Lianyou Zheng, Mingan Yuan, Duojiao Li, Bin Chen, Li Jiang, Xinrong Hu   +9 more
doaj   +1 more source

Flow Analysis and Structural Optimization of Double-Chamber Parallel Flexible Valve Micropumps

ChemEngineering, 2023
In the current study, a two-dimensional numerical study is carried out to investigate the performance of a novel Double-Chamber Parallel Flexible Valve micropump, which utilized the electrowetting-on-dielectrics (EWOD) effect to drive the microfluid flow.
Fan Jiang, Jinfeng Wen, Teng Dong
doaj   +1 more source

Field and flow-based separations [PDF]

Analytical and Bioanalytical Chemistry, 2015
Field-flow fractionation (FFF) and related methods are a set of analytical methods for the separation and characterization of nanoand micro-size analytes. These methods were originally used for the characterization of synthetic polymers and biological macromolecules, before also providing important contributions to the field of environmental sciences ...
Lespes, Gaëtane, Contado, Catia, Gale, Bruce K.   +2 more
openaire   +3 more sources

Rheological analysis of Newtonian and non‐Newtonian fluids using Marsh funnel: Experimental study and computational fluid dynamics modeling

Energy Science & Engineering, 2020
In the drilling industry, Marsh funnel viscosity is only a dynamic viscosity and cannot characterize actual rheology. Thus, measuring rheology using a Marsh funnel has been drawing considerable attention. In this study, we develop simplified mathematical
Zhaochuan Li, Lihui Zheng, Weian Huang
doaj   +1 more source