Results 21 to 30 of about 8,894,535 (152)

Study on Interfacial Drag Model Based on Air-water Two-phase Flow Experiment in Vertical Pipe

open access: yesYuanzineng kexue jishu, 2022
The study of interfacial drag characteristics in two-phase flow is of great significance for the closure of key constitutive models in system program. In this paper, the air-water two-phase flow experiment covering bubbly flow and slug flow regimes was ...
ZHANG Luteng;HUANG Tao;ZHANG Muhao;ZHU Wen;HE Qingche;XU Wangtao;SUN Wan;MA Zaiyong;DING Shuhua;LI Zhongchun;PAN Liangming
doaj  

Effect of Interfacial Area Modeling Method on Interfacial Drag Predictions for Two-Fluid Model Calculations in Large Diameter Pipes

open access: yes, 2023
The Nuclear Industry Requires Accurate Modeling Efforts to Ensure Safety Standards Are Consistently Achieved. to that End, the Sensitivity of Void Fraction and Interfacial Area Concentration Predictions to Changes in the Interfacial Area Concentration ...
Hibiki, Takashi   +5 more
core   +1 more source

Transition of interfacial area concentration distribution of air-water two-phase flow downstream of single horizontal tube and horizontal tube bundle

open access: yesNihon Kikai Gakkai ronbunshu, 2016
Measurements of the interfacial area concentration and the void fraction in a vertical upward air-water two-phase flow downward of single horizontal tube and horizontal tube bundle were carried out by a double sensor electrical conductivity probe.
Atsushi ISHIKAWA   +2 more
doaj   +1 more source

Effect of surfactants on liquid side mass transfer coefficients [PDF]

open access: yes, 2005
In the present paper, the effect of liquid properties (surfactants) on bubble generation phenomenon, interfacial area and liquid side mass transfer coefficient was investigated.
Hebrard, Gilles   +4 more
core   +1 more source

Phase-field modeling droplet dynamics with soluble surfactants [PDF]

open access: yes, 2010
Using lattice Boltzmann approach, a phase-field model is proposed for simulating droplet motion with soluble surfactants. The model can recover the Langmuir and Frumkin adsorption isotherms in equilibrium.
Zhang, Y.H., Liu, H.
core   +3 more sources

On the One-Dimensional Modeling of Vertical Upward Bubbly Flow

open access: yesScience and Technology of Nuclear Installations, 2018
The one-dimensional two-fluid model approach has been traditionally used in thermal-hydraulics codes for the analysis of transients and accidents in water–cooled nuclear power plants.
C. Peña-Monferrer   +5 more
doaj   +1 more source

Partition method of wall friction and interfacial drag force model for horizontal two-phase flows

open access: yesNuclear Engineering and Technology, 2022
The improvement of thermal-hydraulic analysis techniques is essential to ensure the safety and reliability of nuclear power plants. The one-dimensional two-fluid model has been adopted in state-of-the-art thermal-hydraulic system codes.
Takashi Hibiki, Jae Jun Jeong
doaj   +1 more source

Prediction of interfacial area concentration based on interpretable neural network

open access: yesHe jishu
BackgroundInterfacial area concentration (IAC) is a key parameter of the interface transfer term in the closed two-fluid model of two-phase flow, which characterizes the strength of the gas-liquid interface transport capacity.
ZHOU Yuhao   +5 more
doaj   +1 more source

Interfacial area measurements in subcooled flow boiling

open access: yes, 2001
The purpose of the present study was to measure two-phase parameters in subcooled flow boiling. These parameters include void fraction distribution, interfacial area concentration distribution, Sauter mean diameter, and the interfacial velocity.
Masukawa, Takuyki   +9 more
core   +1 more source

Interfacial assignment of branched-alkyl benzene sulfonates: A molecular simulation

open access: yesAIP Advances, 2015
A molecular dynamics simulation was conducted to analyze orientations of sodium branched-alkyl benzene sulfonates molecules at nonane/water interface, which is helpful to design optimal surfactant structures to achieve ultralow interfacial tension (IFT).
Zi-Yu Liu   +6 more
doaj   +1 more source

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