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Journal articles on the topic 'Pressure in the mixer'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Kravarikova, Helena. "Experiment Solution Velocity and Pressure Field in the Mixing Process Computer Simulation." Applied Mechanics and Materials 693 (December 2014): 68–73. http://dx.doi.org/10.4028/www.scientific.net/amm.693.68.

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The process of mixing materials is a very complex process. The mixing process is used for homogenisation of substances. Rather than propose a real mixer, you must first construct a mixer for operational purposes experimental solutions. Experimental solutions are most often realized in laboratory conditions. Experimental mixers are made according to the requirements of power mixers, fluid flow, density and viscosity of the mixed fluid. To investigate the mixing process in the Laboratory mixers are made on the basis of the criteria of non-dimensional simplex. For designing operating mixers can a

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2

Yang, Guo, Guangzhong Hu, Xianguo Tuo, Yuedong Li, and Jing Lu. "Optimization Design of a Polyimide High-Pressure Mixer Based on SSA-CNN-LSTM-WOA." Actuators 13, no. 8 (2024): 303. http://dx.doi.org/10.3390/act13080303.

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Foam mixers are classified as low-pressure and high-pressure types. Low-pressure mixers rely on agitator rotation, facing cleaning challenges and complex designs. High-pressure mixers are simple and require no cleaning but struggle with uneven mixing for high-viscosity substances. Traditionally, increasing the working pressure resolved this, but material quality limits it at higher pressures. To address the issues faced by high-pressure mixers when handling high-viscosity materials and to further improve the mixing performance of the mixer, this study focuses on a polyimide high-pressure mixer

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3

Ji, Hui, Xiurong Cao, Songlin Nie, and Fanglong Yin. "Simulation and experiment study of the self-excited oscillating mixer with abrasive jet used for the descaling of rusty steel." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 233, no. 5 (2019): 1109–27. http://dx.doi.org/10.1177/0954408919841189.

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A novel self-excited oscillating mixer is developed for the descaling of strip steel, which synthesizes the post-mixed abrasive water jet and self-excited oscillation. The realizable k-ɛ model is selected to investigate the effects of different abrasive entrance, inlet pressure, mixing chamber diameter, and length on the jet characteristics. Meanwhile, the effects of different inlet pressure and target distance on the outlet velocities for two kinds of mixers (including the developed mixer and conventional post-mixing mixer) with or without abrasive jet are investigated through simulation. Exp

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4

Revathi, D., and K. Saravanan. "Experimental studies on hydrodynamic aspects for mixing of non-Newtonian fluids in a Komax static mixer." Chemical Industry and Chemical Engineering Quarterly, no. 00 (2020): 9. http://dx.doi.org/10.2298/ciceq191017009r.

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Mixing is the degree of homogeneity of two or more phases and it plays a vital role in the quality of the final product. It is conventionally carried out by mechanical agitators or by static mixers. Static mixers are a series of geometric mixing elements fixed within a pipe, which use the energy of the flow stream to create mixing between two or more fluids or to inject metered liquid into a continuous process. The objective of this work is to predict hydrodynamic aspects of the static mixer designed. The mixing performance of Komax static mixer has been determined for the blending of non-Newt

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5

Schöck, J., F. Muggli, and S. Hirschberg. "Simulation of the Efficiency of Static Mixers." NAFEMS International Journal of CFD Case Studies 9 (March 2011): 43–50. http://dx.doi.org/10.59972/7gwrrmm7.

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Within the Sulzer Corporation the behavior and efficiency of static mixers is predicted by means of CFD. Typical mixers are the SMX mixer and the CompaX mixer. As the SMX mixer is used for laminar mixing and homogenization of high viscous fluids, the CompaX mixer is applied for turbulent flow regimes. Simulations carried out for these mixers have been validated with measurements. Key values to evaluate the efficiency are the pressure loss and mixing quality. The pressure loss for both mixer types can be directly gained from the CFD simulation. But it is not possible to predict the mixing quali

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6

Pang, Zhanzhou, Ranjing Chen, and Yue Cao. "Performance Analysis and Optimization for Static Mixer of SCR Denitration System under Different Arrangements." Energies 15, no. 23 (2022): 8977. http://dx.doi.org/10.3390/en15238977.

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In order to solve the poor flow performance issues of selective catalytic reduction (SCR) denitration systems, the effect of the static mixer on the flow field was studied using computational fluid dynamics (CFD) numerical simulations. Based on the analysis of the original SCR denitration system, two static mixers were selected to explore their influence on system performance. The results show that both static mixers can effectively improve the denitration performance under different conditions. The static mixer with a rotating arrangement showed a better performance in the uniformity of conce

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7

Chen, Hongjie, Jing Ge, and Zhizhou Xu. "A Study on the Evolution Laws of Entrainment Performances Using Different Mixer Structures of Ejectors." Entropy 26, no. 11 (2024): 891. http://dx.doi.org/10.3390/e26110891.

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Being the core of the ejector refrigeration system, an ejector with a suitable mixer, conical–cylindrical or cylindrical, is key to high-energy-efficiency and low-carbon systems. To promote the scientific selection of mixers for ejectors based on the theoretical models that have been validated by experiments, the evolution laws of the entrainment ratios in the two types of ejectors are studied under various operating conditions. Furthermore, the influence mechanism of the mixer structures on the entrainment ratio of the ejector is elucidated by comparing the distribution characteristics of the

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8

Rahmani, Ramin K., Theo G. Keith, and Anahita Ayasoufi. "Numerical Simulation and Mixing Study of Pseudoplastic Fluids in an Industrial Helical Static Mixer." Journal of Fluids Engineering 128, no. 3 (2005): 467–80. http://dx.doi.org/10.1115/1.2174058.

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Static mixers are increasingly being used to perform a variety of mixing tasks in industries, ranging from simple blending to complex multiphase reaction systems. Use of static mixers to process non-Newtonian fluids is quite common. Data on the pressure drop of non-Newtonian fluids in static mixers and the degree of mixing of materials through the mixer are very useful in the design and engineering application of these tools. This paper extends a previous study by the authors on an industrial helical static mixer and illustrates how static mixing processes of single-phase viscous liquids can b

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9

M., Purusothaman, Sai Teja Nama, Jaswanth Reddy Muddarapu, Pavan Ram Oduri, and Surya Saketh Meka. "Structural Analysis of Mechanical Seal Holding for Mixer Pumps." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 3 (2020): 3867–72. https://doi.org/10.35940/ijeat.C6367.029320.

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A mechanical seal is a device that used to reduce leakage containing pressure or ignoring contamination. Mechanical seal is the device used in centrifugal Pumps, Mixers, Agitators and Compressors to arrest or reduce the leakage. The mechanical seal standard API 682 provides the design guidelines for the seals which are fits below 110mm shaft diameter and 4.2 N/mm2 seal chamber pressure. Any seal more than these parameters required special engineering or guidelines needs from technical service. The main aim is to design the mechanical seal for more than 110mm shaft diameter and more than 4.2 N/

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10

Chen, Guang Hui, and Zheng Liang Liu. "Numerical Research of Pressure Drop in Kenics Static Mixer." Advanced Materials Research 694-697 (May 2013): 547–50. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.547.

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The objective of the present work is to characterize and investigate the effect of aspect ratio and twist angle of elements on the pressure drop predictions in Kenics static mixers using three-dimensional CFD approach. Twenty different kinds of Kenics mixers have been characterized. The numerical approach took into account the relationship between pressure drop and aspect ratio and relationship between pressure drop and twist angle at high Reynolds number within the Kenics mixer, which was neglected in previous studies. It is found from the study that the pressure drop is the function of aspec

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11

Shu, Zheng, Shijie Zhu, Jian Zhang, Wensen Zhao, and Zhongbin Ye. "Optimization Design and Analysis of Polymer High Efficiency Mixer in Offshore Oil Field." Processes 8, no. 1 (2020): 110. http://dx.doi.org/10.3390/pr8010110.

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The degree of polymer-water mixing in high-pressure pipelines on offshore oilfields usually influences the polymer solution’s performance. To realize efficient mixing of the polymer mother liquor with dilution water in the high-pressure pipeline, a high-efficiency mixer is designed and optimized. The designed mixer consists of four parts: a T-shaped pipe as the main body, an inlet flow-splitting plate, a stainless-steel flow-guiding tube, and an outlet flow-splitting plate. Mathematical models are built by using computational fluid dynamics (CFD) and the mixing effects are compared by using Fl

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12

Li, Bin, Jian Zhao, Yong Sun, Bao Hong Li, and Min Yao Tan. "Numerical Simulation of Spraying and Jointing for Polyurea Spraying Gun." Advanced Materials Research 430-432 (January 2012): 651–54. http://dx.doi.org/10.4028/www.scientific.net/amr.430-432.651.

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Using CFD to simulate the flow field of impinging jet mixer in polyurea spraying gun,discussing the process of the spraying and jointing of the mixer after studying the profile of velocity and pressure.Spraying and jointing are available for the nozzle by changing the inlet pressure, the export velocity is slow under low pressure, so the outburst changes into a stream of flow and the jointing function is realized;while the export velocity is fast when the pressure is high,so the flow spray out to realize the spraying function.The distribution of the pressure and velocity within the mixer is ex

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13

Wang, Fen, Zhi Xia He, Yue Ma, and Chang Si Li. "Numerical Simulation of the Hydrodynamic Cavitation of the Impinging Streams Mixer." Advanced Materials Research 945-949 (June 2014): 951–55. http://dx.doi.org/10.4028/www.scientific.net/amr.945-949.951.

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The impinging streams mixer is a new type micromixer. The cavitation phenomenon occurring in the mixers with T-shaped impinging streams (TS), conical impinging streams (CIS), vortex streams(VS) were investigated, respectively. The distribution of flow field in the mixer was simulated and calculated by commercial software Fluent 6.2.1. The results showed that under the same working conditions, a more obvious hydrodynamic cavitation may occur in the CIS type impinging stream than that in the CIS type or the VS type, and the vortex flow lead to an extension of the material residence time in the m

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14

BELHOUT, Cherif, Mohamed BOUZIT, Brahim MENACER, Youcef KAMLA, and Houari AMEUR. "Numerical Study of Viscous Fluid Flows in a Kenics Static Mixer." Mechanics 26, no. 3 (2020): 206–11. http://dx.doi.org/10.5755/j01.mech.26.3.24160.

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Since many years static mixers find usage in chemical, food, cosmetic and pharmaceutical industry. One of the most commonly used is the Kenics type static mixer. In a framework of the current work the CFD simulation for Kenics static mixer were performed. In food or cosmetic industry one must deal very often with non-Newtonian fluids. Therefore this work concerns the numerical study of non-Newtonian fluid flux in a kenics km static mixer with laminar flow using the Navier-Stocks equation governing the phenomenon and the pressure loss equation. This simulation was made using the computational f

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15

Sattorov, Zafar Muradovich, and Vaxidjon Shuxratovich Mamatov. "RESEARCH METHODS OF FOAM PHOSPHOGYPSUM BLOCKS BASED ON PHOSPHORUS FERTILIZER WASTE." Journal of Construction and Engineering Technology 1, no. 1 (2023): 1–11. https://doi.org/10.5281/zenodo.7791684.

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The materials needed for the production of foam phosphogypsum consist of gypsum, phosphogypsum waste, water, foaming agent. These materials must meet standards for use. Today, several methods of foam phosphogypsum production are common. Let's kill. In this method, first gypsum paste or phosphogypsum waste is prepared, then special foam prepared in a foam generator is added to it. The mixture in the concrete mixer is mixed with foam and a mixture of foam concrete is obtained, which later hardens to form foam phosphogypsum. This method can be called the most used and reliable. For this metho

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16

Yuan, Fangyang, Zhengwei Cui, and Jianzhong Lin. "Experimental and Numerical Study on Flow Resistance and Bubble Transport in a Helical Static Mixer." Energies 13, no. 5 (2020): 1228. http://dx.doi.org/10.3390/en13051228.

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Flow resistance and bubble transport in a helical static mixer were studied experimentally and numerically. The inline mixer increases the volume fraction of gas in liquids by breaking bubbles into smaller sizes with a micrometer size in the flow experiments. The gas–liquid flow was simulated by a combination of computational fluid dynamics and Taylor expansion methods of moments. The friction factor of the helical static mixer is much smaller than that of the Kenics static mixers. The pressure drop increases with the Reynolds number, and the increment is larger when the Reynolds number is hig

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17

Choe, Munseok, Dogyeong Kang, and Dooseuk Choi. "A Study on the Factors Affecting the Uniformity of Urea and Exhaust Gas Using an SCR Simulator." Defect and Diffusion Forum 399 (February 2020): 145–53. http://dx.doi.org/10.4028/www.scientific.net/ddf.399.145.

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As it is difficult to confirm mixed shape and mixing ratio which depend on the actual mixer inside the SCR, the present study on mixed shape and mixing ratio has been conducted by producing an SCR system simulator. Total 19 sensors were installed and the system was designed not to allow formation of a negative pressure inside the exhaust pipe. The experiment was conducted setting engine rpm, temperature, mixer shape, and distance as the experiment variables. As a result of the experiment, in the case of non-mixer type, a phenomenon was found where urea became locally packed as the exhaust gas

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18

Shi, Yixin, Ping Jiang, Fujie Wang, and Shuxian Zhou. "Experimental Study on Mixing Uniformity of Injection On-Line Mixer of Crop Protection Equipment." International Journal of Heat and Technology 39, no. 4 (2021): 1143–52. http://dx.doi.org/10.18280/ijht.390412.

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In order to promote pesticide application reduction and efficiency enhancement, to avoid the direct mixing of pesticides caused by secondary pollution and life safety risksand, further improve the mixing uniformity of on-line mixing system of crop protection equipment. The numerical simulation on structural parameters and fluid parameters of the mixer was performed by the CFD method to determine the best structural parameters of the mixer. And an injection online mixing system experiment platform was built. The experiments were carried out by high speed photography and spectrophotometry respec

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19

Meshcheryakova, Yulia, and Stanislav Nagornov. "INVESTIGATION OF THE CAVITATION PROCESS IN AN ULTRASONIC MIXER." SCIENCE IN THE CENTRAL RUSSIA, no. 1 (February 29, 2024): 48–56. http://dx.doi.org/10.35887/2305-2538-2024-1-48-56.

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An innovative way to solve pressing problems of energy saving and reducing environmental pollution during the operation of automotive equipment can be the use of a specially designed ultrasonic motor fuel mixer. The creation of cavitation areas in an ultrasonic mixer promotes the fragmentation of long hydrocarbon chains and thereby improves the quality of fuel (diesel and mixed diesel fuel), reduces fuel consumption, and prolongs the operation of the diesel engine fuel system. Possible modes of ultrasonic treatment were investigated in order to create an optimal cavitation region in the mixer.

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20

Ourdia, Benabdellaziz, Kamla Youcef, Ahmed Mouissi, Karas Abdelkader, and Happy Sinkala. "Investigation of the dynamic and thermal performance of kinetic-static mixers: a numerical simulation study." STUDIES IN ENGINEERING AND EXACT SCIENCES 5, no. 2 (2024): e6544. http://dx.doi.org/10.54021/seesv5n2-085.

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In this paper, a numerical simulation was carried out to investigate the dynamic and thermal behaviors of various shapes of a kinetic static mixer. Three-dimensional model of the static mixer was designed using commercial Computational Fluid Dynamics (CFD) software, CFX 18.2. To examine the mixer's performance, five parameters have been considered including Re, Shear stress rate, Nu, fluid temperature and pressure drop. The fluid velocity was characterized by Reynolds numbers varying from 10 to 100, pressure drop, and shear rate has been considered for evaluating dynamic performance. Furthermo

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21

Cho, Hee-Joo, and Jungho Choi. "Calculation of the Mass Transfer Coefficient for the Dissolution of Multiple Carbon Dioxide Bubbles in Sea Water under Varying Conditions." Journal of Marine Science and Engineering 7, no. 12 (2019): 457. http://dx.doi.org/10.3390/jmse7120457.

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Underwater weapon systems with reforming fuel cells have been developed to increase the number of possible days that the former can be submerged. Reforming hydrocarbons generate a large quantity of carbon dioxide gas that must be completely dissolved in water and released. In this study, the mass transfer coefficient was derived experimentally while changing the process variables that affect mass transfer, such as bubble size, presence/absence of an inline mixer, retention time, pressure, and solvent type. It was found that retention time was most affected, followed by type of solvent, presenc

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22

YOSHIDA, MOTOAKI, CHIKANORI HASHIMOTO, TAKESHI WATANABE, and HIROYUKI MIZUGUCHI. "ESTIMATION OF MIXING EFFICIENCY OF MODEL CONCRETE MIXED IN BI-AXIAL FORCED-MIXING TYPE MIXER BY THE FLUCTUATION OF PRESSURE MEASURED ON THE BLADE." International Journal of Modern Physics B 24, no. 15n16 (2010): 2496–501. http://dx.doi.org/10.1142/s0217979210065155.

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The concrete mixer possesses the basic performance "mixing efficiency", and is one of the most important construction machines on the step that manufactures concrete. The bi-axial forced-mixing type of the mixer is high and the mixing efficiency is the highest. The flow patterns of this type mixer are divided into two: the locally crossing flow and the globally circulating flow. The globally circulating flow uniformly mixes fine particle materials that differ greatly the grain size turned on and are various and cement active. The locally crossing flow contributes to "Knead" to improve the cont

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23

Wang, Chin-Tsan, Yan-Ming Chen, and Shih-Syun Chen. "Heart-Like Micro-Flow Mixer." International Journal of Chemical Reactor Engineering 14, no. 1 (2016): 343–49. http://dx.doi.org/10.1515/ijcre-2014-0181.

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AbstractMicromixers are the microfluidic devices able to rapidly mix more than two liquids, with low pressure drop and high mixing efficiency (εmixing). In this study, the effect of Reynolds number ratio (Rer) and aspect ratio (AR) of heart-like biometric micromixer applied would be investigated by a numerical simulation and experimental confirmation. Results show that the heart-like biometric micromixer resulting from the coupling effect of the split and recombination (SAR) and biometric design can produce a high mixing efficiency, low pressure drop and short mixing path under a case of low R

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24

Orlov, B. M., M. A. Karapetyan, and Kh A. Abdulmazhidov. "Wear investigations of working parts of machines and technological equipment." Traktory i sel hozmashiny 81, no. 2 (2014): 36–38. http://dx.doi.org/10.17816/0321-4443-65649.

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Wear pattern on the working surfaces of concrete mixer blades can be explained mainly by change of mix pressure on different points of working edge. The rotating blade angled to the rotation plane moves the mix both to direction of moving and along the concrete mixer axe. When high abrasive mixes of different fraction composition are prepared, wear of the working surfaces on thickness results in deflection, deformation and destruction of the blade.

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25

Danardono, Dominicus, and Ki Seong Kim. "Mixing Quality Improvement of a Coaxial Syngas Mixer by Adding Optimized Mechanical Tabs Using Three-Dimensional CFD Modeling." Applied Mechanics and Materials 699 (November 2014): 429–34. http://dx.doi.org/10.4028/www.scientific.net/amm.699.429.

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A coaxial gas mixer is designed for mixing air and synthesis gas or syngas as fuel. Three-dimensional computational models are harnessed to analyze and predict the influence of the mechanical tabs aspect ratio and number on the mixing characteristics and performance of the gas mixer. Attention is concentrated on the influence of mechanical tabs on the air-fuel ratio, pressure loss and mixing quality. The optimum design of the mechanical tab was realized with aspect ratio of 0.32 and 4 tabs with 45o tab angle. The coaxial gas mixer using the optimized mechanical tabs was realized with λ of 1.13

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26

Knast, P., A. Kołodziej, and K. Konecki. "Modeling of complex construction problems for randomly changing technological processes." IOP Conference Series: Materials Science and Engineering 1199, no. 1 (2021): 012026. http://dx.doi.org/10.1088/1757-899x/1199/1/012026.

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Summary Modeling of complex construction problems for randomly changing technological processes occurs during the production of rubber compounds. Without a good knowledge of the technology of producing rubber compounds, durable and efficient mixers cannot be designed. The conducted industrial research has been shown that the process of mixing the raw materials varies in time and that the forces acting inside the mixer chamber are distributed randomly. During the mixing process of the chemical components, the position of the force changes inside the mixing chamber. The load on the mixer changes

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27

Griffith, R. M., R. Kannabiran, and G. S. Tomlinson. "Rubber Flow in an Internal Mixer." Rubber Chemistry and Technology 60, no. 1 (1987): 111–24. http://dx.doi.org/10.5254/1.3536112.

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Abstract A number of experimental studies have improved understanding of rubber flow in internal mixers. Freakley and Van Idris obtained flow patterns and areas of fill by photographing through a transparent end plate of a small internal mixer during rubber mixing. White and Min obtained additional information by videotaping through transparent end plates and body sides of a small internal mixer during rubber mixing. Sata and associates used observations of flow of polymer solutions in a transparent Banbury mixer to help optimize rotor design. Freakley and Van Idris, Freakley and Patel, and To

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28

LI, Zhijun, Jiankang WANG, Yiwen ZHENG, and Chenyang WANG. "Effect of Elements Connection Types on Mixing Performance of Kenics Static Mixer." Mechanics 30, no. 5 (2024): 466–71. http://dx.doi.org/10.5755/j02.mech.36862.

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In this work, we analyzed the influence of four connection types of Kenics static mixer, namely direct connection static mixer (DSM), transition blade static mixer (TSM), plug-in static mixer (PSM) and solder joints static mixer (SSM) on the mixing performance. The effects of transition blade diameter, groove depth and solder joint diameter on segregation scale (S) and pressure drop (Δp) were studied. The results indicated that a better mixing performance and Δp were found in the mixers of DSM and three other small-sized connection types. The smallest Δp of 1.29 MPa were found in DSM, TSM3 and

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29

Roth, David B., Iago Gonzalez Tabares, and Anxo Sotelo Álvarez. "Condensing LPL EGR Mixer with Mid-Pressure Loop." SAE International Journal of Engines 8, no. 4 (2015): 1544–52. http://dx.doi.org/10.4271/2015-01-1257.

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30

SUN, Jiagang, Jiankang WANG, Yiwen ZHENG, and Zhijun LI. "Tuning of Mixing Zone Parameters in a Dynamic Mixer and Performance Comparison with Screw-based Mixers." Mechanics 29, no. 4 (2023): 309–16. http://dx.doi.org/10.5755/j02.mech.33213.

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A new dynamic mixer has been designed for the mixing of two incompatible polymer melts. Three main design parameters (number of circles of holes (N), number of holes (M) per circle, and diameter of the holes (d3)) for the mixing zone of the dynamic mixer were selected to study their influences on the pressure drop (Δp) and the segregation scale (S) using Orthogonal tests. The influences of flow rate and rotational speed were also investigated. In addition, the mixing effect was compared with that of screw and slotted-screw mixers. The results showed that the most significant factor influencing

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31

Petrashev, Aleksander, and Viktor Klepikov. "HYDRAULIC MIXER FOR PRESERVATION COMPOSITIONS." Tekhnicheskiy servis mashin 63, no. 1 (2025): 12–19. https://doi.org/10.22314/2618-8287-2025-63-1-12-19.

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Agricultural farms need conservation compounds to prepare equipment for storage. By heating and mixing solvent, bitumen, thickening additive and waste oil, it is possible to obtain compositions directly on the farm. This requires a compact and efficient mixer. (Research purpose) The research purpose is developing a hydraulic mixer for the preparation of a preservation composition when placing equipment for storage. (Materials and methods) Proposed a hydraulic mixer containing a tank with a three-kilowatt bottom heater, a pumping unit and a monitor with two nozzle heads. The outflow of waste oi

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Гайдачук, Віталій Євгенович, Ольга Володимирівна Шипуль, Сергій Олександрович Заклінський, Вадим Олегович Гарін, Олег Валерійович Трифонов та Сергій Ігорович Планковський. "Числове дослідження змішування в системі генерації газової суміші". Aerospace technic and technology, № 6 (29 листопада 2021): 39–48. http://dx.doi.org/10.32620/aktt.2021.6.05.

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The subject of research is a gas-dynamic process of mixture formation with a given component mass fraction during overflow through the mixer nozzles in the mixture generation system. The aim of the study is the scientific and experimental evaluation of the mixer technical solutions to ensure the accuracy and homogeneity of the gas mixture. The current work conducts numerical study on the flow of a gas flow through the mixer nozzles of the mixture generation system, ensuring its stoichiometric component composition and homogeneity. The problem is solved by developing adequate mathematical model

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Yan, Xiaojie, William Trevillyan, Ioannina Castano, Yugang Sun, Ralph Muehleisen, and Jie Li. "Continuous-Flow Synthesis of Thermochromic M-Phase VO2 Particles via Rapid One-Step Hydrothermal Reaction: Effect of Mixers." Journal of Nanomaterials 2019 (June 10, 2019): 1–10. http://dx.doi.org/10.1155/2019/2570698.

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VO2 particles are promising materials for thermochromic smart windows that reduce building energy loss. Continuous-flow hydrothermal processes showcase advantages for synthesizing VO2 particles compared with traditional batch reaction systems. Mixers play a crucial role in particle fabrication in continuous-flow systems. In this study, a Center T-Mixer and a Collision Cross-Mixer are developed and implemented in a hot water fluidized suspension reaction (HWFSR) system. The influence of the resident time on the particle phase and size was evaluated, and properties of particles derived from syst

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34

Mahmud, Md Readul, Shakhawat Hossain, and Jin-Hyuk Kim. "A SAR Micromixer for Water-Water Mixing: Design, Optimization, and Analysis." Processes 9, no. 11 (2021): 1926. http://dx.doi.org/10.3390/pr9111926.

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A numerical investigation of the mixing performance and fluid flow in a new split and recombine (SAR) Y−Uβ micromixer is presented in this work. A parameter called connecting angle βis varied from 0° to 90° to analyze the effect on the SAR process and mixing performance. Thenumerical data shows that the SAR process strongly depends on the connecting angle (β) and maximum efficiency (93%) can be achieved when the value of β is 45°. The Y−U45° the mixer also offers higher efficiency and lower pressure drop than a known SAR ‘H−C’ mixer irrespective of Reynolds numbers. The split and recombine pro

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Liu, Yan, Shao Feng Zhang, and Jiang Tao Wang. "Analysis of the Pressure Drop of the Horizontal Liquid-Solid Circulation Fluidization Bed with Kenics Static Mixers." Applied Mechanics and Materials 291-294 (February 2013): 791–94. http://dx.doi.org/10.4028/www.scientific.net/amm.291-294.791.

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In order to obtain the pressure drop of the horizontal liquid-solid circulation fluidization bed with Kenics static mixers, experiments were carried out in four Kenics static mixers with different aspect ratio of mixing element(AR) over a range of 30000 to 51000 to get pressure drop data. Dimension analysis revealed that the pressure drop characteristic of the Kenics static mixer can be described by three dimensionless parameters, such as the friction factor, Reynolds number, and aspect ratio of mixing element. According to the experiment data, a new dimensionless pressure drop correlation was

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Workamp, Marcel, Vittorio Saggiomo, and Joshua A. Dijksman. "A simple low pressure drop suspension-based microfluidic mixer." Journal of Micromechanics and Microengineering 25, no. 9 (2015): 094003. http://dx.doi.org/10.1088/0960-1317/25/9/094003.

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Murata, Jiro, Kazuo Suzuki, and Yukihiko Ohuchi. "Studies on Properties of Blast-Furnace Slag Aggregates Concrete Mixed by Reduced Pressure Mixer." Concrete Research and Technology 2, no. 1 (1991): 45–56. http://dx.doi.org/10.3151/crt1990.2.1_45.

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Sundararaj, S., and V. Selladurai. "The effects of arbitrary injection angle and flow conditions on venturi-jet mixer." Thermal Science 16, no. 1 (2012): 207–21. http://dx.doi.org/10.2298/tsci101023059s.

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This paper describes the effect of jet injection angle, cross flow Reynolds number and velocity ratio on entrainment and mixing of jet with incompressible cross flow in venturi-jet mixer. Five different jet injection angles 45o, 60o, 90o, 125o, 135o are tested to evaluate the entrainment of jet and mixing performances of the mixer. Tracer concentration along the downstream of the jet injection, cross flow velocity, jet velocity and pressure drop across the mixer are determined experimentally to characterize the mixing performance of the mixer. The experiments show that the performance of a ven

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Dong, Liang, and Zhang Shufen. "Numerical and Experimental Investigation of the Effect of Geometrical Parameters on the Performance of a Contraction-Expansion Helical Mixer." International Journal of Chemical Reactor Engineering 12, no. 1 (2014): 465–75. http://dx.doi.org/10.1515/ijcre-2014-0026.

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Abstract In this study, the mixing efficiency of a passive contraction-expansion helical mixer, which combines several features, such as helical pipes for induction of secondary flows and sudden expansion and contraction array for expansion vortices, was numerically and experimentally studied. We employed the method of Box–Behnken to select the appropriate design points. Then, various configurations were investigated via computational fluid dynamics (CFD) simulations. The extent of mixing was evaluated by monitoring the residence time distribution (RTD) and observing the shape of the RTD curve

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Wang, Chenfeng, Hanyang Liu, Xiaoxia Yang, and Rijie Wang. "Research for a Non-Standard Kenics Static Mixer with an Eccentricity Factor." Processes 9, no. 8 (2021): 1353. http://dx.doi.org/10.3390/pr9081353.

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The Kenics static mixer is one of the most widely studied static mixers, whose structure–function relationship has been studied by varying its aspect ratio and modifying the surface. However, the effect of the symmetric structure of the Kenics static mixer itself on twisting the fluid has been neglected. In order to study how the symmetrical structure of the Kenics static mixer impacts the fluid flow, we changed the center position of elements at twist angle 90° and introduced the eccentricity factor γ. We applied LHS-PLS to study this non-standard Kenics static mixer and obtained the statisti

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Epoyan, Stepan, Vadym Yarkin, and Svetlana Babenko. "Corridor-type partition faucet with transverse porous partitions." Pidvodni tehnologii, no. 12 (March 21, 2023): 78–86. http://dx.doi.org/10.32347/uwt.2022.12.1802.

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The basics of the processes of mixing coagulants with water are given. Disadvantages of the partition mixer of the corridor type are shown. Ways to increase and regulate the intensity and time of mixing reagents with source water in the transverse porous partitions themselves are outlined. It is shown that it is possible to improve the flow distribution in the live section of the mixer corridors due to the use of porous polymer concrete in the manufacture of transverse partitions, and also that the phase of per kinetic coagulation coincides with the period of "rapid" mixing of the coagulant wi

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Chen, Chun Ping, Chuan Sheng Wang, and Meng Zhang. "Dynamic Simulation of 3D Fluid Field for Four-Wing Synchronous Mixer Rotor and Four-Wing Asynchronous Mixer Rotor." Key Engineering Materials 501 (January 2012): 76–81. http://dx.doi.org/10.4028/www.scientific.net/kem.501.76.

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The physical, mathematical and finite element models for the four-wing synchronous rotors and four-wing asynchronous rotors in internal mixer were established in this paper. By comparative analysis of the two types of processes involved in mixing process the pressure field, the velocity field and the concentration field, the viscosity field and the mixed exponential distribution on its 3D fluid field dynamic simulation were computed by the polyflow software. The results showed that the four-wing synchronous rotors were better than the four-wing asynchronous rotors in a number of performance pa

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Shagapov, V. Sh, and E. V. Galiakbarova. "Elements of the theory of forced mixing of oils in tanks." Multiphase Systems 14, no. 2 (2019): 101–7. http://dx.doi.org/10.21662/mfs2019.2.014.

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To prepare for transportation at the fields, light and heavy oils are mixed with the help of jet mixers, which are injection devices that are installed in the receiving and distributing nozzle inside the tank. The work considers the simplest technological mixing scheme. The basic equations are presented that describe the processes of mixing light and heavy oils in a mixer, in which the light oil stream is the working stream, and the source stream in the heavy oil tank is the injected stream. The characteristic equation of the mixer is obtained. A system of equations is presented that describes

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Vasic, Vesna, Aleksandar Jokic, Marina Sciban, Jelena Prodanovic, Jelena Dodic, and Dragana Kukic. "Flux intensification during microfiltration of distillery stillage using a kenics static mixer." Acta Periodica Technologica, no. 48 (2017): 285–93. http://dx.doi.org/10.2298/apt1748285v.

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The present work studies the effect of operating parameters (pH, feed flow rate, and transmembrane pressure) on microfiltration of distillery stillage. Experiments were conducted in the presence of a Kenics static mixer as a turbulence promoter, and its influence on the flux improvement and specific energy consumption was examined. Response surface methodology was used to investigate the effect of selected factors on microfiltration performances. The results showed that response surface methodology is an appropriate model for mathematical presentation of the process. It was found that the use

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Lei, Zhijun, Hanliu Deng, Xiaoqing Ouyang, et al. "Numerical Research on the Jet Mixing Mechanism of the De-Swirling Lobed Mixer Integrated with OGV." Energies 16, no. 11 (2023): 4394. http://dx.doi.org/10.3390/en16114394.

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The outlet guide vane (OGV) is integrated with the lobed mixer to improve the exhaust system’s performance with a high core inlet swirl. The best location for integrating the OGV is along the central line of the lobe’s trough and near the exit plane of the lobed mixer. Two types of lobed mixers (the scalloped reference lobed mixer and the scalloped de-swirling lobed mixer) integrating with/without OGVs, are numerically researched under eight inlet swirl conditions ranging from 0° to 35°. The simulation used the Reynolds-Averaged Navier-Stokes (RANS) method with Shear Stress Transport (SST) mod

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Tarasyants, Sergey, Vladislav Panov, Yulia Urzhumova, and Vladimir Rudakov. "Local experimental studies of the fertilizer uptake process into suction pipelines of pumping stations with a jet apparatus." E3S Web of Conferences 281 (2021): 09022. http://dx.doi.org/10.1051/e3sconf/202128109022.

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Determination of the total energy in the suction pipeline of a four-component mixer of fertilizers and water in an experimental way, for the possibility of its use in various schemes of cropsirrigation has been performed. Materials and methods: The research was carried out at an operating pumping station LLC “Rassvet” Kuibyshevsky district of Rostov region on a specially made installation using calibrated control and measuring devices in accordance with GOST 24028-80 “Research tests”. The experimental results’ processing was carried out according to the recommendations of V.N. Voznesensky on t

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Sit, M.L., and A.A. Zhuravleov. "Automatic Pressure Stabilization in Front of the Evaporators in the Multifunctional Heat Pump." Problemele Energeticii Regionale 1(33) (April 15, 2017): 93–99. https://doi.org/10.5281/zenodo.1193615.

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The aim of the article is to elaborate and to investigate the automatic control system of pressure in front of evaporators of the multifunctional heat pump, which has several condensers and several evaporators. The control system must reduce the value of pressure perturbations acting on evaporators and decrease the value of pressure pulsations before them. To solve this problem, a hydraulic scheme has been developed in which this parameter is stabilized by using fine and coarse adjustment valves in hydraulic circuits of condensers and compressors using a pressure control system for a static fl

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Wu, Zhongli, Yu Li, Lei Xu, Dongmei Bao, Xiying Zhang, and Tingjian Zhang. "Numerical study of the passive micromixer with the novel blocks." AIP Advances 12, no. 4 (2022): 045016. http://dx.doi.org/10.1063/5.0078400.

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The micromixer is a key component of the microfluidic chip analysis system. Micromixers are widely used in applications, such as DNA hybridization and protein synthesis. A high-efficiency mixer can speed up the biochemical analysis process. In order to study how to improve the mixing efficiency of the mixer, this paper designs passive micromixers with three different blocks: cylindrical, equilateral triangle, and square. The effects of them on the mixing performance and pressure drop of the mixer were studied, respectively. Through numerical simulation, the study shows that the mixing efficien

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Wróblewski, Andrzej, and Aldona Skotnicka-Siepsiak. "Effect of Rotational Speed of a Self-Aspirating Mixer on Oxygen Saturation in Water." Polish Maritime Research 27, no. 3 (2020): 182–88. http://dx.doi.org/10.2478/pomr-2020-0060.

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AbstractThere are two categories of gas-liquid mixers: conventional and special-purpose. In theory, any conventional mixer can be applied to aerate a liquid, but fast-rotating devices are generally preferred. Special-purpose mixers (tubular, prismatic, cylindrical) have a hollow shaft, and operate by drawing gas from above the surface of the liquid and dispersing it inside the liquid. This process is referred to as aspirated aeration. In contrast, conventional mixers increase the pressure of the aspirated gas. Gas drawn from above the surface of the liquid flows through channels bored inside t

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Zhang, Hong Yan, and Hai Hong Dong. "Numerical Simulation of Two-Phase Liquid–liquid Flow in a New Static Mixer Structure." Advanced Materials Research 368-373 (October 2011): 1604–7. http://dx.doi.org/10.4028/www.scientific.net/amr.368-373.1604.

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In this article, Spiral belt static mixer with changing diameter was taken as the object. The numerical simulation method was used to investigate the mixing process of two-phase liquid–liquid flow in water treatment by a commercial CFD code,namely Fluent.The k-ε model and species transport model were established to research this project. Then the mixing effect was compared with that of HEV static mixer. The result showed that spiral belt static mixer with changing diameter promote the mixing effect greatly. The mixing effect relative to that of HEV static mixer increased 10 times and the the p

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