Results 1 to 10 of about 261,494 (266)

Design of Helical Capacitance Sensor for Holdup Measurement in Two-Phase Stratified Flow: A Sinusoidal Function Approach [PDF]

Sensors, 2016
A 360° twisted helical capacitance sensor was developed for holdup measurement in horizontal two-phase stratified flow. Instead of suppressing nonlinear response, the sensor was optimized in such a way that a ‘sine-like’ function was displayed on top of ...
Lam Ghai Lim, William K. S. Pao, Nor Hisham Hamid, Tong Boon Tang   +3 more
doaj   +2 more sources

A Novel Water-Cut Sensing Method for a Multiphase-Flow Pipeline Using a Ridged-Horn Antenna [PDF]

Sensors
As oil and gas reservoirs progress into the mid-to-late stages of development, produced fluids increasingly exhibit high water-cut and complex flow regimes.
Gaoyang Zhu, Junlin Feng, Yunjun Zhang, Xinhua Sun, Shucheng Liang, Bin Wang, Muzhi Gao   +6 more
doaj   +2 more sources

Interference of internal waves due to two point vortices: linear analytical solution and nonlinear interaction

Royal Society Open Science, 2022
In this work, we consider steady two-dimensional interfacial waves in a two-layer stratified fluid, which is induced by a vortex pair located in the lower layer of the fluids.
Zhen Wang, Di Liu, Xiaoqin An
doaj   +1 more source

Fine-Resolution WRF Simulation of Stably Stratified Flows in Shallow Pre-Alpine Valleys: A Case Study of the KASCADE-2017 Campaign

Atmosphere, 2021
In an overall approach aiming at the development and qualification of various tools designed to diagnose and/or forecast the flows at the local scale in complex terrain, we qualified a numerical model based on the WRF platform and operated in a two-way ...
Michiel de Bode, Thierry Hedde, Pierre Roubin, Pierre Durand   +3 more
doaj   +1 more source

CFD Investigation of Parameters Affecting Oil-Water Stratified Flow in a Channel [PDF]

International Journal of Mathematical, Engineering and Management Sciences, 2020
Stratified flow is a common occurrence for various internal flow based industrial multiphase flow patterns. This involves fully or partially well-defined interface which continuously evolve with space and time.
Satish Kumar Dewangan, Santosh Kumar Senapati, Vivek Deshmukh   +2 more
doaj   +1 more source

Each-Phase Metering with Gas-Liquid Stratified Flow Based on the Multi-Frequency Coriolis Principle

Applied Sciences, 2020
Gas-liquid two-phase flows generally have the characteristics of complex and variable flow patterns and flow rate uncertainty of each phase. The entrainment of gas increases errors of the existing non-separated multiphase metering.
Chenquan Hua, Yixiang Yin, Shuning Sun, Hao Zhu, Lanchang Xing   +4 more
doaj   +1 more source

Experimental and Prenemilary Numerical Evaluation of Pressure Drops under the Conditions of the Stratified Gas-Liquid Flow in a Horizontal Pipe Filled with Metal Foam

Energies, 2022
The paper reports the results of experimental tests and numerical simulations related to the pressure drop during two-phase air-water mixture flow through a pipe containing metal foam packing.
Jerzy Hapanowicz, Adriana Szydłowska, Jacek Wydrych   +2 more
doaj   +1 more source

Effects of Salt Tracer Volume and Concentration on Residence Time Distribution Curves for Characterization of Liquid Steel Behavior in Metallurgical Tundish

Metals, 2021
The residence time distribution (RTD) curve is widely applied to describe the fluid flow in a tundish, different tracer mass concentrations and different tracer volumes give different residence time distribution curves for the same flow field.
Changyou Ding, Hong Lei, Hong Niu, Han Zhang, Bin Yang, Yan Zhao   +5 more
doaj   +1 more source

Velocity and Passive Scalar Cross Spectra in Stably and Unstably Stratified Grid Turbulence

Journal of Fluid Science and Technology, 2007
The effects of stable and unstable thermal stratifications on the cross spectra between passive scalar (dye concentration) fluctuation c and vertical velocity fluctuation υ in shear-free grid turbulence are investigated using previously published
Kouji NAGATA, Yasuhiko SAKAI, Satoru KOMORI, Takashi KUBO   +3 more
doaj   +1 more source

Experimental investigation of multiphase separation in different flow regimes through T-junction with an expander section

Journal of Mechanical Engineering and Sciences, 2019
The experimental data for phase separation of the air-water mixture in a T-Junction with the expander section after the branch arm is presented in this work. The main and run arms of the T-junction are directed along the horizontal plane with the branch
Z. Q. Memon, W. Pao, F. Hashim, S. Ahmed
doaj   +1 more source