Results 21 to 30 of about 2,398 (177)

Influence of inlet air distributor geometry on the fluid dynamics of conical spouted beds: A CFD study [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2018
The spouted bed presents limitations in terms of scale-up. Furthermore, its stability depends on its geometry as well as the properties of the fluid and solid phases.
Batista J.N.M., Brito R.C., Béttega R.
doaj   +1 more source

Experimental study on diesel engine exhaust gas recirculation performance and optimum exhaust gas recirculation rate determination method [PDF]

open access: yesRoyal Society Open Science, 2019
In order to study the exhaust gas recirculation (EGR) performance of marine diesel engines, a venturi high-pressure EGR device was established to overcome the exhaust gas reflow problem based on a certain type of turbocharged diesel engine.
Xiang-huan Zu   +3 more
doaj   +1 more source

The Numerical Simulation of Cavitation Phenomenon in a Venturi Tube

open access: yesJournal of Physics: Conference Series, 2022
Abstract Venturi tubes are an important component of the liquid rocket engine to achieve extensive thrust regulation. On the basis of the existing venturi tube model, the relevant numerical simulation is carried out by the Mixture model and the k – ε turbulence model.
Zibo Zhou   +3 more
openaire   +1 more source

Ultrasonic-assisted production of precipitated calcium carbonate particles from desulfurization gypsum

open access: yesUltrasonics Sonochemistry, 2021
This study aimed to investigate the effect of ultrasonic application on the production of precipitated calcium carbonate (PCC) particles from desulfurization gypsum via direct mineral carbonation method using conventional and venturi tube reactors in the
Mahmut Altiner   +2 more
doaj   +1 more source

Numerical Analysis of Water and Air in Venturi Tube to Produce Micro-Bubbles [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering, 2020
Two-phase flow regimes are affected by conduit position, alignment, geometry, flow direction, physical characteristics, and flow rate of each phase as well as the heat flux toward the boundaries.
Mahin Ghannadi   +2 more
doaj   +1 more source

Experimental and numerical study on the drainage performance and fluid flow of Venturi tubes

open access: yesAIP Advances, 2019
Venturi tubes have been widely applied to the mixture and drainage of fluid due to the Venturi effect. In this work, an experimental investigation and a numerical simulation are conducted to analyze the fluid flow processing and drainage performance of ...
Junxia Zhang   +3 more
doaj   +1 more source

Gauging flow velocity in 2 positions for discharge calculation in pipes

open access: yesRBRH, 2018
This paper utilizes the maximum entropy model to calculate discharges in pipes. The proposed model requires the flow velocities to be gauged in just two positions along the pipe radius to calculate the discharge of any given pipe with circular cross ...
Victor Emanuel Mello de Guimarães Diniz   +3 more
doaj   +1 more source

Effects of Nozzle Geometry on Fine Bubble Generation and Surface Cleaning Performance

open access: yesFluids
Fine bubbles have attracted attention in recent years due to their promising characteristics and extensive applications. One type of fine bubble generator, the Venturi tube, utilizes a sudden change in pressure inside the tube and is widely used due to ...
Xin Jiang   +4 more
doaj   +1 more source

Characterization of Microbubbles Generated in a Venturi Tube via Image Processing: Effect of Operating Parameters

open access: yesIngeniería, 2023
Context: This research developed a dissolved air flotation system using a Venturi tube to produce microbubbles. The Venturi tube replaces the saturation tank and the pressure-reducing valve of conventional systems.
Jhonnatan Stiven Mera-Campo   +3 more
doaj   +1 more source

Structural Optimization of the Venturi Fertilizer Applicator Using Head Loss Calculation Methods

open access: yesFluids
Fertilizer suction flow rate is an important performance parameter of the Venturi fertilizer applicator. This study aims to analyze the optimal structure of the Venturi fertilizer applicator with the goal of maximizing the suction flow rate at the same ...
Zhiyang Zhang   +4 more
doaj   +1 more source

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