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Journal articles on the topic 'Venturi nozzle'

Author: Grafiati

Published: 4 June 2025

Last updated: 15 July 2025

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1

Etheridge, Robert E., Alvin R. Womac, and Thomas C. Mueller. "Characterization of the Spray Droplet Spectra and Patterns of Four Venturi-Type Drift Reduction Nozzles." Weed Technology 13, no. 4 (1999): 765–70. http://dx.doi.org/10.1017/s0890037x00042202.

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Laboratory studies were conducted using a Malvern laser droplet/particle size analyzer to determine the droplet spectra of several venturi-type drift reduction nozzles compared to a standard single, elliptical-orifice flat fan nozzle. Spray solutions of glufosinate, glyphosate, and paraquat were applied through all combinations of five nozzle types (four drift reduction), three tip sizes, and four application pressures. Nozzles were also evaluated for pattern uniformity using water plus surfactant at one pressure. When averaged over herbicide, tip size, and pressure the venturi nozzles collect

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2

PANDA, ANTON, VOLODYMYR MYKOLAJOVYCH ANISIMOV, VOLODYMYR VOLODYMYROVYCH ANISIMOV, IVETA PANDOVA, ANTON KLYMENKO, and PETER ERMAKOV. "CAVITATION NOZZLES WITH EXPANSION CHAMBER." MM Science Journal 2022, no. 4 (2022): 6020–25. http://dx.doi.org/10.17973/mmsj.2022_11_2022050.

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An expansion chamber for narrow part of cavitation nozzles is developed. Designs of cavitation nozzles with expansion chamber based on cylindrical nozzle and Venturi nozzle are proposed. The results of calculations of the fluid flow in the presented nozzles show the areas in nozzle, where cavitation is generated, their number, form and power. The plot of volume fraction of vapor phase shows the causes of an increase in the intensity of cavitation in new nozzles with expansion chamber. The main of them is that due to introduction of the expansion chamber, a little area of cavitation generation

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3

O’Hern, Hannah, Timothy Murphy, Xiang Zhang, James Liburdy, and Bahman Abbasi. "A Design Method for Low-Pressure Venturi Nozzles." Applied Mechanics 3, no. 2 (2022): 390–411. http://dx.doi.org/10.3390/applmech3020024.

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The purpose of this work is to provide empirical design models for low-pressure, subsonic Venturi nozzles. Experimentally validated simulations were used to determine the effect of nozzle geometry and operating conditions on the suction ratio (ratio of suction mass flow rate to motive mass flow rate) of low-pressure, subsonic Venturi nozzles, over a wide range of geometries and operating conditions, through a parametric study. The results of the parametric study were used to develop seven empirical models, each with a different range of applicability or calculating a different indicator of noz

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4

Kassem, F. A., A. A. Zahran, and M. Adel. "Study of Effect of Convergence Section Geometric on the Performance of a Sonic Nozzle." Journal of Applied Fluid Mechanics 18, no. 7 (2025): 1669–82. https://doi.org/10.47176/jafm.18.7.3294.

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Critical flow Venturi nozzles (toroidal, cylindrical, convergent–divergent, or C–D) nozzles) have discharge coefficients predicted through numerical and experimental investigations. Unfortunately, the imprecision of the critical-flow Venturi nozzle design makes it impossible to study the influence of inlet curvature Rc on the discharge coefficient in the laminar boundary layer area. This study examines how the inlet curvature affects the discharge coefficient, or Cd, in the laminar boundary layer area of a critical-flow Venturi nozzle with a cylindrical throat and toroidal shape. The inlet cur

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5

Khudhori, Muhrom. "OPTIMALISASI LETAK NOZZLE VENTURI MIXER PADA GENSET BERBAHAN BAKAR BIOGAS." Conference SENATIK STT Adisutjipto Yogyakarta 1 (December 3, 2013): 45. http://dx.doi.org/10.28989/senatik.v1i0.53.

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Carburetor modification to the venturi mixer to put a hole in the center of the venturi (end of hole venturi type nozzle on the outlet end venturi section) can turn the engine generator using biogas fuel. Airflow velocity carburetor venturi section will begin upon entering the venturi section and will be maximal at the time in the middle of the venturi section. So of course the location of the placement of venturi carburetor venturi mixer on the right cross section will be obtained velocity airflow + optimum biogas. It is necessary for optimizing the placement location of the modification of t

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6

Ivanitsky, G. K., L. Y. Avdeyeva, and A. A. Makarenko. "Using the effects of hydrodynamic cavitation for purposeful dynamical action on the supramolecular structures." Physics of Aerodisperse Systems, no. 53 (June 15, 2021): 142–51. http://dx.doi.org/10.18524/0367-1631.2016.53.159442.

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Evolution of the cavitation cluster and the level of the dynamic cavitation effects in liquid flow within a Venturi nozzle, depending on the design features and the mode of operation of this type cavitator, are considered. The experimental and theoretical investigations have been performed with the view to using the Venturi nozzle as cavitation reactor to efficient influence supramolecular structures in liquid in relation to producing stable liposome dispersions. Structural peculiarities of liposomes, closed biological nanocapsules, as well as bond energy values in these structures have been a

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7

Xing, Zhenqiang, Gang Wang, Jiace Guo, et al. "Improved Pulsed-Jet Cleaning of Cone Filter Cartridges Using an Annular-Slit Nozzle." Atmosphere 14, no. 9 (2023): 1332. http://dx.doi.org/10.3390/atmos14091332.

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There is a problem with the insufficient cleaning of the dust filter cartridge by the pulsed-jet cleaning method. This paper examines the improvement in the pulse-jet performance of cone filter cartridges achieved by using an annular-slit nozzle. Off-line pulse jet experiments were conducted to study the influence of initial compressed air pressure, jet distance, and Venturi tube on injection pressure. This paper compared the filtration performance of conventional nozzles versus slit nozzles by conducting an online dust filtration-cleaning experiment and investigating the effect of a Venturi t

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8

Liu, Changxi, Jun Hu, Yufei Li, Shengxue Zhao, Qingda Li, and Wei Zhang. "Numerical Simulation on Air-Liquid Transient Flow and Regression Model on Air-Liquid Ratio of Air Induction Nozzle." Agronomy 13, no. 1 (2023): 248. http://dx.doi.org/10.3390/agronomy13010248.

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Air induction nozzle (AIN) has a special Venturi structure that has been widely used in the field of reducing the probability of drift of pesticide droplets and realizing precise application. The present research mainly adopts the method of comparative test and analyzes the difference between AIN and standard fan nozzle. However, the research on internal flow characteristics and air–liquid ratio (ALR) of AIN is very limited. In order to detect the air-liquid transient flow distribution and the influence of the geometric parameter structure of Venturi on the air–liquid ratio in the air inductio

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9

Wolfe, Timothy R., Todd A. Hillman, Philip J. Bossart, and David W. Kennedy. "The Comparative Risks of Bacterial Contamination between a Venturi Atomizer and a Positive Displacement Atomizer." American Journal of Rhinology 16, no. 4 (2002): 181–86. http://dx.doi.org/10.1177/194589240201600401.

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Introduction This laboratory study determined the incidence of internal contamination of Venturi principle atomizers and positive displacement atomizers exposed to high external concentrations of Staphylococcal aureus (Staph). Methods Atomizer device nozzle tips were immersed into a Staph solution and 1 ml of spray was atomized via compressed wall air (Venturi) or hydraulic pump (positive displacement). The Venturi nozzle was then wiped with 70% isopropyl alcohol while the disposable positive displacement nozzle was replaced. After 30 minutes, 1 ml of atomized fluid was collected and cultured

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10

Thoharudin, Sudarja, Sunardi, Fitroh Anugrah Kusuma Yu dha, Arif Setyo Nugroho, and Aqiel Zahrivan Asyara Pudjianto. "Design and Simulation of Double-Nozzle Venturi Bubble Generator for Aeration System." BIO Web of Conferences 137 (2024): 03009. http://dx.doi.org/10.1051/bioconf/202413703009.

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Aquatic organisms rely heavily on oxygen for survival and maintaining adequate dissolved oxygen (DO) levels is crucial for the health and productivity of aquaculture systems. Aeration methods, such as venturi bubble generators, play a vital role in enhancing DO concentrations by facilitating oxygen transfer from the atmosphere to water. This study explores the performance of traditional venturi bubble generators and introduces a novel double-nozzle design for potential improvements in energy efficiency and oxygen transfer. Using computational fluid dynamics (CFD), we compared the performance o

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Zeman, Radek, and Pavel Rudolf. "Hydrodynamic cavitation in minifluidic Venturi nozzle." EPJ Web of Conferences 299 (2024): 01041. http://dx.doi.org/10.1051/epjconf/202429901041.

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This article describes the design of a small Venturi nozzle for hydrodynamic cavitation wastewater treatment research. A water circuit powered by compressed air was set up for the experiment. The nozzle design allowed visualization of the cavitating flow directly in the nozzle using a high-speed camera. Experiments were carried out with the nozzle to obtain a visualization of the flow and the dependence of the loss coefficient on the cavitation number. Furthermore, computational modeling of the flow was performed based on the results obtained in the experiment. Cavitation could play an importa

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12

Lizzoli, Matteo, Walter Borreani, Francesco Devia, Guglielmo Lomonaco, and Mariano Tarantino. "Preliminary CFD Assessment of an Experimental Test Facility Operating with Heavy Liquid Metals." Science and Technology of Nuclear Installations 2017 (2017): 1–11. http://dx.doi.org/10.1155/2017/1949673.

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The CFD analysis of a Venturi nozzle operating in LBE (key component of the CIRCE facility, owned by ENEA) is presented in this paper. CIRCE is a facility developed to investigate in detail the fluid-dynamic behavior of ADS and/or LFR reactor plants. The initial CFD simulations have been developed hand in hand with the comparison with experimental data: the test results were used to confirm the reliability of the CFD model, which, in turn, was used to improve the interpretation of the experimental data. The Venturi nozzle is modeled with a 3D CFD code (STAR-CCM+). Later on, the CFD model has b

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13

Yin, Zhao-Qin, Dong-Sheng Li, Jin-Long Meng, and Ming Lou. "Discharge coefficient of small sonic nozzles." Thermal Science 18, no. 5 (2014): 1505–10. http://dx.doi.org/10.2298/tsci1405505y.

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The purpose of this investigation is to understand flow characteristics in mini/micro sonic nozzles, in order to precisely measure and control miniscule flowrates. Experimental and numerical simulation methods have been used to study critical flow Venturi nozzles. The results show that the nozzle?s size and shape influence gas flow characteristics which leading the boundary layer thickness to change, and then impact on the discharge coefficient. With the diameter of sonic nozzle throat decreasing, the discharge coefficient reduces. The maximum discharge coefficient exits in the condition of th

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14

Choi, Myeung Hwan, Yoojin Oh, and Sungwoo Park. "Investigation of Spray Characteristics for Detonability: A Study on Liquid Fuel Injector and Nozzle Design." Aerospace 11, no. 6 (2024): 421. http://dx.doi.org/10.3390/aerospace11060421.

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Detonation engines are gaining prominence as next-generation propulsion systems that can significantly enhance the efficiency of existing engines. This study focuses on developing an injector utilizing liquid fuel and a gas oxidizer for application in detonation engines. In order to better understand the spray characteristics suitable for the pulse detonation engine (PDE) system, an injector was fabricated by varying the Venturi nozzle exit diameter ratio and the geometric features of the fuel injection hole. Analysis of high-speed camera images revealed that the Venturi nozzle exit diameter r

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15

Rozhnov, M. S., Yu V. Kuzmenko, D. M. Melnyk, et al. "State Primary Standard of Gas Volume and Flow Rate Units for the Pressure Range of 1 MPa to 5 MPa (PVTt-15)." Metrology and instruments, no. 2 (May 21, 2020): 3–12. http://dx.doi.org/10.33955/2307-2180(2)2020.3-12.

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For the first time in Ukraine a primary measurement standard of gas volume and flow rate units in a pressure range of 1 MPa to 5 MPa has been created. The standard is based on realisation of the units by PVTt principle and units dissemination using critical Venturi nozzles. Gas passing through the nozzle during its calibration fills an evacuated collection tank located downstream the nozzle, and the respective time interval is measured. Mass flow rate is calculated by multiplying the volume of the collection tank by the gas density change and dividing by the tank filling time. Density values a

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16

Holder, G. A., and J. M. Leow. "IN-SEWER OXYGENATION OF WASTEWATER USING VENTURI SIDE-STREAM DISSOLVERS." Water Science and Technology 30, no. 1 (1994): 185–94. http://dx.doi.org/10.2166/wst.1994.0020.

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The objective of the studies was to improve the efficiencies of venturi-nozzle oxygen-injection facilities installed for in-situ sewer oxygenation as part of an odour control strategy. A procedure which can be utilised to estimate cost-effective operation for oxygen injection at a given site is outlined. The procedure requires the experimental determination of oxygen-adsorption efficiency / nozzle-pres sure-loss plots for the range of operating conditions. Results from both laboratory and field experiments, together with theoretical studies are reported. The total operating cost for an install

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17

Bae, Hyunwoo, and Jaeyong Sung. "An Experimental Analysis of Water–Air Two-Phase Flow Pattern and Air Entrainment Rate in Self-Entrainment Venturi Nozzles." Energies 14, no. 9 (2021): 2664. http://dx.doi.org/10.3390/en14092664.

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For self-entrainment venturi nozzles, the effects of nozzle shapes and operating conditions on the water–air two-phase flow pattern, and the characteristics of the air entrainment rate have been investigated. A rectangular venturi nozzle with width and height dimensions of 3 mm and 0.5 mm was used with a vertically downward flow direction. The pressure ratio, which is the ratio of the inlet and outlet pressures, water flow rate, and diverging angle were set as experimental parameters. From the flow visualization, annular and bubbly flows were observed. In the case of bubbly flow, the more bubb

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18

Yang, Xin-Zhi, Chen-Yang Du, Yuan-Jun Liu, Yan Tang, Xi-Lin Dong, and An-Chi Huang. "High-Pressure Fine Water Mist Nozzle Retrofit Experiment and Numerical Simulation Study." Processes 13, no. 3 (2025): 642. https://doi.org/10.3390/pr13030642.

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Currently, the existing high-pressure water mist fire protection systems in cold storage facilities face challenges in achieving efficient atomization and uniform water mist distribution, which may limit their effectiveness in rapid cooling and flame suppression. The objective of this investigation is to improve the performance of high-pressure fine water mist nozzles by integrating a Venturi microbubble generator to improve mist atomization and distribution, particularly in the context of flames involving combustible polyurethane foam insulation materials. The gas–liquid two-phase flow charac

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19

Vieira, Bruno C., Thomas R. Butts, Andre O. Rodrigues, Jerome J. Schleier, Bradley K. Fritz, and Greg R. Kruger. "Particle drift potential of glyphosate plus 2,4-D choline pre-mixture formulation in a low-speed wind tunnel." Weed Technology 34, no. 4 (2020): 520–27. http://dx.doi.org/10.1017/wet.2020.15.

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AbstractThe introduction of 2,4-D–resistant soybean and cotton provided growers a new POST active ingredient to include in weed management programs. The technology raises concerns regarding potential 2,4-D off-target movement to sensitive vegetation, and spray droplet size is the primary management factor focused on to reduce spray particle drift. The objective of this study was to investigate the droplet size distribution, droplet velocity, and particle drift potential of glyphosate plus 2,4-D choline pre-mixture (Enlist Duo®) applications with two commonly used venturi nozzles in a low-speed

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20

Ananthanarayanan, Nochur V., and Shekar Viswanathan. "Effect of Nozzle Arrangement on Venturi Scrubber Performance." Industrial & Engineering Chemistry Research 38, no. 12 (1999): 4889–900. http://dx.doi.org/10.1021/ie9902131.

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21

Jung, Seung Wan, Sang Hoon Park, Myung Jun Song, and Yeol Lee. "Flow Characteristics of Double-Venturi Abrasive Blasting Nozzle." Korean Society of Manufacturing Process Engineers 17, no. 2 (2018): 8–14. http://dx.doi.org/10.14775/ksmpe.2018.17.2.008.

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22

Manzano, Juan, Carmen V. Palau, M. de Azevedo Benito, V. do Bomfim Guilherme, and Denise V. Vasconcelos. "Geometry and head loss in Venturi injectors through computational fluid dynamics." Engenharia Agrícola 36, no. 3 (2016): 482–91. http://dx.doi.org/10.1590/1809-4430-eng.agric.v36n3p482-491/2016.

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ABSTRACT To determine the influence of geometry on the hydrodynamic behavior of Venturi injectors, using computational fluid dynamics techniques, we studied, at the Universitat Politècnica de València, Valencia, Spain, the geometric parameters that exert the most influence on head losses: the relationship between throat diameter and nozzle (β), nozzle angle (α1) and diffuser angle (α2). In addition, three throat morphologies (B1: nozzle-throat and throat-diffuser with a sharp edge; B2: nozzle-diffuser with a zero-length, sharp-edge throat; B3: nozzle-throat and throat-diffuser with rounded edg

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23

Xiang, Yang, Xiao Min Jiang, and Min Ye Chen. "New Biogas Heater Burner 3D Virtual Design." Advanced Materials Research 724-725 (August 2013): 274–78. http://dx.doi.org/10.4028/www.scientific.net/amr.724-725.274.

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To establish the biogas heater burner 3D virtual design platform with the software of Solidworks, a new type of biogas burner is developed using the 3D virtual design platform ,including base 1, nozzle device 2, venturi 3, premixing device 4 and burner nozzle 5, elaborated on the structure characteristics of key component nozzle device how to realize the biogas source of instability, pressure and flow fluctuation, can still achieve full combustion, stable combustion, high combustion value objective.

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24

GONG, Fangqi, and Hitoshi SOYAMA. "117 Effect of DownStream Geometry of Venturi Type Nozzle on Cavitation Aggressivity." Proceedings of Conference of Tohoku Branch 2012.47 (2012): 40–41. http://dx.doi.org/10.1299/jsmeth.2012.47.40.

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25

Rofik, Denis Abdur. "PERANCANGAN DAN ANALISIS ALAT MICROBUBBLE GENERATOR (MBG) UNTUK AERASI KOLAM IKAN TIPE NOZZEL VENTURI." Gorontalo Journal of Infrastructure and Science Engineering 3, no. 2 (2020): 24. http://dx.doi.org/10.32662/gojise.v3i2.1206.

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This study aims to apply a kind of aeration in a fish pond called Microbubble Generator (MBG) to the cultivation of fish. Microbubble Generator (MBG) carried on based on the principle of a tube venturi in which water circulates through a channel narrows so that air that is sucked into a device and driven by water flowing to make micro is the size of bubbles. Microbubble Generator (MBG) Tested in fish breeding research center Subang (BRPI), the results highlight the potential promised Microbubble Generator (MBG) as aeration affordable to applied in cultivation. Notwithstanding the oxygen dissol

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26

Avdeieiva, L., and A. Makarenko. "Efficiency of using Venturi nozzles for receiving aqueous plant extracts." Scientific Works of National University of Food Technologies 28, no. 6 (2022): 64–72. http://dx.doi.org/10.24263/2225-2924-2022-28-6-8.

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Technologies for obtaining extracts from plant raw materials require constant improvement due to the significant variety of species, composition and physical and chemical properties of plant raw materials. The constant increase in the volume of manufacturing products and preparations using plant extracts ma¬keit actual to search for individual approaches. Currently, cavitation technologies are considered to be one of the most effective in the treatment of gaseous, solid, and liquid media and are used in various industries. The transformation and redistribution of energy, which occur during the

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27

Arias, Diego A., and Timothy A. Shedd. "CFD Analysis of Compressible Flow Across a Complex Geometry Venturi." Journal of Fluids Engineering 129, no. 9 (2007): 1193–202. http://dx.doi.org/10.1115/1.2754321.

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A commercial computational fluid dynamics (CFD) package was used to develop a three-dimensional, fully turbulent model of the compressible flow across a complex-geometry venturi, such as those typically found in small engine carburetors. The results of the CFD simulations were used to understand the effect of the different obstacles in the flow on the overall discharge coefficient and the static pressure at the tip of the fuel tube. It was found that the obstacles located at the converging nozzle of the venturi do not cause significant pressure losses, while those obstacles that create wakes i

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28

Tomov, P., A. Danlos, S. Khelladi, F. Ravelet, C. Sarraf, and F. Bakir. "POD study of aerated cavitation in a venturi nozzle." Journal of Physics: Conference Series 656 (December 3, 2015): 012171. http://dx.doi.org/10.1088/1742-6596/656/1/012171.

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29

Lee, Chang Hun, Hong Choi, Dong-Wook Jerng, Dong Eok Kim, Somchai Wongwises, and Ho Seon Ahn. "Experimental investigation of microbubble generation in the venturi nozzle." International Journal of Heat and Mass Transfer 136 (June 2019): 1127–38. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2019.03.040.

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30

Chemezov, Denis Alexandrovich, and Anzhelika Vladimirovna Bayakina. "SIMULATION MODELING OF WATER FLOW IN THE VENTURI NOZZLE." Theoretical & Applied Science 15, no. 07 (2014): 25–29. http://dx.doi.org/10.15863/tas.2014.07.15.4.

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31

Avdieieva, L. Yu, and V. Yu Pavlyk. "THE STUDY OF THE INFLUENCE OF HYDRODYNAMIC CAVITATION EFFECTS ON THE PROPERTIES OF COMPLEX MULTICOMPONENT SYSTEMS." Thermophysics and Thermal Power Engineering 44, no. 2 (2022): 21–28. https://doi.org/10.31472/ttpe.2.2022.3.

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Emulsions have high efficiency and biological activity, easy absorption, and high digestibility, because they include extracts and parts of medicinal plants, essential oils, vitamin and mineral complexes. They are widely used in medicine, pharmaceutical, chemical and food industries, as well as agriculture. At the same time, the treatment of liquid multicomponent heterogeneous systems to obtain stable micro- and nano emulsions is a long and energy-intensive process. Modification or replacement of obsolete energy-intensive technological processes and equipment to increase their efficiency is on

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32

Baha, Vadym, Ján Piteľ, and Ivan Pavlenko. "Analytical, Numerical, and Experimental Studies of the Working Process in a Pneumatic Abrasive Installation." Applied Sciences 14, no. 24 (2024): 11728. https://doi.org/10.3390/app142411728.

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The article presents the results of numerical and experimental studies of a working nozzle for jet-abrasive machining of material surfaces. Nozzle designs with variable geometry were investigated. The aim of the study was to identify reserves for increasing the efficiency of the nozzle to ensure the energy efficiency of the jet-abrasive installation for sustainable production in the context of Industry 5.0. The implementation of numerical modeling made it possible to carry out a series of calculations for the considered nozzle designs using an air-abrasive mixture with flow visualization. The

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Wu, Changzhong, Xingyu Zhu, Dayang Ren, Yuanyuan Lu, Yongzhuo Wang, and Haibo An. "Structural optimization design of nozzle for dry ice cleaning hub fixture." Journal of Physics: Conference Series 2951, no. 1 (2025): 012016. https://doi.org/10.1088/1742-6596/2951/1/012016.

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Abstract In order to ensure that the fixture is not contaminated by spray paint and avoid secondary pollution during the hub spraying process, fixture cleaning is usually required. Traditional artificial solvent wiping has the problems of surface damage and low cost. Therefore, enterprises are more inclined to environmentally friendly and efficient automated dry ice cleaning technology. According to the needs of enterprises and theoretical analysis, this paper will select and design the nozzle of dry ice cleaning hub fixture, and carry out structural optimization and simulation analysis. It is

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Choi, Deok-Gyu, Thanh-Hoang Phan, Sung-Ho Park, Dong-Hyun Kim, and Warn-Gyu Park. "NUMERICAL ANALYSIS OF VENTURI NOZZLE CAVITATION IN HIGH TEMPERATURE FLUID." Journal of Computational Fluids Engineering 26, no. 2 (2021): 39–49. http://dx.doi.org/10.6112/kscfe.2021.26.2.039.

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35

Jarrahbashi, D., S. R. Pidaparti, and D. Ranjan. "Nucleation of super-critical carbon dioxide in a venturi nozzle." Nuclear Engineering and Design 310 (December 2016): 69–82. http://dx.doi.org/10.1016/j.nucengdes.2016.09.022.

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36

Tomov, P., S. Khelladi, F. Ravelet, C. Sarraf, F. Bakir, and P. Vertenoeuil. "Experimental study of aerated cavitation in a horizontal venturi nozzle." Experimental Thermal and Fluid Science 70 (January 2016): 85–95. http://dx.doi.org/10.1016/j.expthermflusci.2015.08.018.

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37

Tsirlis, Michail, and Nikolaos Michailidis. "Low-pressure gas atomization of aluminum through a Venturi nozzle." Advanced Powder Technology 31, no. 4 (2020): 1720–27. http://dx.doi.org/10.1016/j.apt.2020.02.011.

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38

Mamytbekov, Galymzhan, Nurlan Shayakhmetov, Daniar Aizhulov, Maksat Kurmanseiit, and Madina Tungatarova. "Transport of Steam-Gas Mixture in Hydrodynamic Devices: A Numerical Study of Steam Reforming of Methane." Processes 11, no. 10 (2023): 2991. http://dx.doi.org/10.3390/pr11102991.

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The paper introduces a mathematical model that describes the cavitation process occurring during the passage of a water steam flow in various geometric configurations of a hydrodynamic device. The flow experiences a localized constriction (convergent nozzle) followed by expansion (divergent nozzle), exemplified by a Venturi tube or a Laval nozzle. A narrow flow channel connecting the convergent and divergent sections is equipped with a narrow-section nozzle for injecting methane molecules into the high-speed steam flow. As the steam-gas mixture passes through this zone, it is irradiated with a

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39

Bobovnik, Gregor, Bodo Mickan, Peter Sambol, Rémy Maury, and Jože Kutin. "Investigation of the discharge coefficient in the laminar boundary layer regime of critical flow Venturi nozzles calibrated with different gases including hydrogen." Measurement 217, no. 113134 (2023): 7. https://doi.org/10.1016/j.measurement.2023.113134.

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This study represents the first step towards the introduction of critical flow Venturi nozzles into the traceability scheme for gaseous hydrogen and addresses the characterisation of the hydrogen discharge coefficient in the laminar boundary layer regime and the identification of a potential alternative gas for nozzle calibration. The experimental study presented was performed for two nozzles with a throat diameter of 0.175 mm and 0.436 mm. The tests were performed with six different gases, including hydrogen, covering a Reynolds number range from 1.5·103 to 6·104. The experimental r

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40

.T, Arvind, and Swaminathan M. R. "Computational Fluid Dynamic Analysis of Compressible Flow across a Complex Geometry Carburettor Venturi." International Journal of Emerging Research in Management and Technology 6, no. 7 (2018): 83. http://dx.doi.org/10.23956/ijermt.v6i7.189.

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A commercial computational fluid dynamics package could be used to develop a three dimensional, fully turbulent model of the compressible flow across a complex geometry venturi, such as those found in small engine carburettors. The results of the CFD simulation can be used to understand the effect of the different obstacles in the flow on the mass flow rate and the static pressure at the tip of the fuel tube. This would be helpful to analyze the pressure loss in the throat area. Analysis would be performed to study airflow across carburettor venturi by locating fuel tube at the diverging nozzl

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Suryavanshi, Yogesh, Ravikant Raju, and Vinod Deshmukh. "Enhanced Vacuum for brake booster with Venturi effect." ARAI Journal of Mobility Technology 5, no. 1 (2025): 1481–89. https://doi.org/10.37285/ajmt.5.1.9.

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We normally see that in naturally aspirated Gasoline & CNG engines there is no separate vacuum pump is provided for vacuum brake booster operation. In such vehicles, braking system is solely dependent on vacuum generated by the engine at intake manifold. This vacuum generated by engine has certain limitations. Also there is always variation in vacuum generation by engine due to various operating conditions, engine loads, environmental conditions etc. but brake booster requires stable vacuum for efficient operation. It is observed that in heavy traffic, when frequent braking happens, someti

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TAKEYA, Koji, Masami KAWANARI, Hiroaki KONISHI, Ichiro NAKAJIMA, and Keikichi FUJIKAWA. "Hydrogenation of Soybean Oil by Loop Reactor Equipped with Venturi Nozzle." NIPPON SHOKUHIN KAGAKU KOGAKU KAISHI 42, no. 4 (1995): 237–47. http://dx.doi.org/10.3136/nskkk.42.237.

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Lim, Ji-Young, Hyun-Sik Kim, Soo-Young Park, and Jin-Han Kim. "Evaluation of characteristics for microbubble generation according to venturi nozzle specification." Journal of the Korea Academia-Industrial cooperation Society 16, no. 9 (2015): 6397–402. http://dx.doi.org/10.5762/kais.2015.16.9.6397.

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Jiří, Kozák, Rudolf Pavel, Huzlík Rostislav, et al. "Transition of cavitating flow to supercavitation within Venturi nozzle – hysteresis investigation." EPJ Web of Conferences 143 (2017): 02055. http://dx.doi.org/10.1051/epjconf/201714302055.

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Brunhart, Maxwell, Celia Soteriou, Manolis Gavaises, et al. "Investigation of cavitation and vapor shedding mechanisms in a Venturi nozzle." Physics of Fluids 32, no. 8 (2020): 083306. http://dx.doi.org/10.1063/5.0015487.

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Воронько, Виталий Владимирович, Дмитрий Андреевич Брега та Денис Юрьевич Сахаров. "ВИЗНАЧЕННЯ РЕЖИМІВ РОЗПИЛУ УДОБРЮЮЧИХ ХІМІЧНИХ РЕЧОВИН ДЕФЛЕКТОРНИМ ПУЛЬВЕРИЗАТОРОМ В РАМКАХ КОНЦЕПЦІЇ ТОЧНОГО ЗЕМЛЕРОБСТВА". Aerospace Technic and Technology, № 4 (27 серпня 2017): 33–39. http://dx.doi.org/10.32620/aktt.2017.4.03.

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A mathematical model of the process of sputtering chemical fertilizers by means of a deflector spray with flat-flare spraying, whose work is based on the Venturi effect, is proposed. Several operating modes of the atomizer with the adjustment of the flow velocity and the angle of the spraying nozzle are examined by changing the geometric parameters of the nozzle head. The most rational parameters of the flow of the components of the atomized medium, as well as the geometric parameters of the atomizer, are taken into account, taking into account the speed of the aircraft and the effect of the s

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Benghalia, Imane, Rachid Boucetta, and Mohammed Zamoum. "Cavitating flow through a Venturi using CFD: effects of inlet and outlet pressures." STUDIES IN ENGINEERING AND EXACT SCIENCES 5, no. 2 (2024): e9136. http://dx.doi.org/10.54021/seesv5n2-327.

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Hydrodynamic cavitation is a complex physical phenomenon that appeared in hydraulic systems (pumps, turbines, valves, Venturi tubes …etc.) when the fluid pressure decreases below the saturated vapor pressure. The works carried out in this study aimed to get a better understanding of the cavitating flow phenomenon. For this, we have numerically studied a cavitating bubbly flow through a venturi nozzle. The cavitation model is selected and solved using commercial code computational fluid dynamics (CFD). The numerical results are compared to the previous experimental and numerical data.The obtain

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Wang, Yi, and De Ping Zhu. "A New Spray Desuperheater Structure Design." Advanced Materials Research 718-720 (July 2013): 1630–33. http://dx.doi.org/10.4028/www.scientific.net/amr.718-720.1630.

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A new spray desuperheater is designed, whose characteristic is using the combination technology of centrifugal nozzle and two-level venturi pipes. According to the application of the technology, the paper reveals the technical principle and structure design. The spray desuperheater has excellent spray atomization effect, and it can regulate the steam temperature in a wide range. So it can ensure the efficient heat exchanger and safe operation for boiler.

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Da Costa, Felipe Orlando, Jéssica Trindade Martins, Caio Guilherme Sales Ferreira, Giovanna Kellen Tavares de Andrade, Felipe Leonardo Barcelos Mateus, and Renata de Aquino Brito Lima Corrêa. "EXPERIMENTAL AND NUMERICAL STUDY OF A VENTURI TUBE AS A DIDACTIC TOOL FOR CHEMICAL ENGINEERING LEARNING." Journal of Engineering and Exact Sciences 6, no. 3 (2020): 0409–15. http://dx.doi.org/10.18540/jcecvl6iss3pp0409-0415.

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The Venturi tube measures the fluid’s flowrate by use of an obstruction in the flow path. As a tool to understand the fundamental principles of Chemical Engineering, an experimental device for flow measurement integrating a Venturi tube was developed in the course of the Chemical Engineering Projects I from the Federal University of Lavras. The system was constructed with materials of low-cost and easy access. The experimental results for the flow and pressure drop were compared with theorical values and with additional data obtained by the use of a numerical and computational method (CFD). Th

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Vien, Tran Tri, Hideharu TAKAHASHI, Tadashi NARABAYASHI, and Hiroshige KIKURA. "Effects of Double Stage Venturi Scrubber Nozzle on the Liquid Injected Flow." Proceedings of the Fluids engineering conference 2020 (2020): OS14–02. http://dx.doi.org/10.1299/jsmefed.2020.os14-02.

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