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Journal articles on the topic 'A vortex diode'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Almeida, Sanjana V., Divya Dixit, Dinesh Bhutada, and Vinay M. Bhandari. "Degradation of Prazosin by using Newer Dual Activity Hydrodynamic Cavitation Reactors." Journal of ISAS 3, no. 3 (2025): 1–25. https://doi.org/10.59143/isas.jisas.3.3.sjpl9246.

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A study was conducted to investigate the degradation of Prazosin, an Alpha-1 Adrenergic Blocker, which is commonly used in the treatment of Hypertension. The study aimed to achieve improved efficiency using Hydrodynamic Cavitation (HC) and Process Intensification. A new cavitation technique that utilises the Dual Activity Reactor, which is a vortex flow-based cavitation device, was introduced in the study. Two different types of vortex diodes were used in a comparative investigation: a Non-Catalytic Aluminium diode and a Dual Activity Copper diode exhibiting catalytic properties. The impact of

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2

Tadyszak, Krzysztof, Alessandro Jäger, Jiří Pánek, and Martin Hrubý. "Design and Optimization of Microfluidic Vortex Diode." Mathematical and Computational Applications 29, no. 6 (2024): 97. http://dx.doi.org/10.3390/mca29060097.

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The performed research presents modeling results for designing microfluidic vortex diodes. These devices rectify fluid flow and can be used in many applications on micro and macro scales. The modeling, utilizing computational fluid dynamics (CFD) with the turbulence model RANS k-ε in COMSOL Multiphysics, has led to optimizing diodicity—the reversed-to-forward flow pressure drop ratio. The goal was to find the best flow-rectifying geometry within the 2D vortex-type design by changing the wall geometry, diode shape, and inflow velocities, identifying significant parameters and dependencies. Impr

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3

Zou, Lei, Kai Li, and Jun Huang. "Design and Testing of a Valveless Piezoelectric Pump with Conical Vortex Diodes." MATEC Web of Conferences 306 (2020): 04003. http://dx.doi.org/10.1051/matecconf/202030604003.

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The valveless piezoelectric pump delivers fluid based on the difference of flow resistance of internal tube. In this paper, a vortex diode with conical tangential tube is proposed, which possesses the great characteristic of reverse cut-off, and the analysis of the forward and reverse flow resistance of the conical vortex diode is verified by finite element analysis. Then, a valveless piezoelectric pump with conical vortex diodes as the internal channel is designed, and the prototype is manufactured. The results of the output performance experiment show that the maximum output flow rate of the

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4

Shaidakov, V. V., E. V. Shestakova, and A. A. Barabanov. "Ensuring the safety of chemical dosing." IOP Conference Series: Earth and Environmental Science 981, no. 3 (2022): 032050. http://dx.doi.org/10.1088/1755-1315/981/3/032050.

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Abstract The article deals with the issues of ensuring the safe dosing of small volumes of chemical reagents with positive displacement pumps. The results of simulation of hydrodynamic processes in valve assemblies are presented. Studies have shown the low efficiency of the reagent supply process using ball and poppet valves. The use of hydraulic diaphragm and vortex diodes is proposed. Based on amathematical modeling, the design features of hydrodiodes and the parameters of their effective operation are substantiated, which makes it possible to exclude fluid pulsation and increase the flow ra

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5

YOSHITOMI, Hideki, and Tsutomu WADA. "Forward-Flow Cavitation in a Vortex Diode." Transactions of the Society of Instrument and Control Engineers 24, no. 10 (1988): 1033–39. http://dx.doi.org/10.9746/sicetr1965.24.1033.

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6

Kaigorodov, S. Yu, A. A. Shaposhkov, and I. V. Tsvetkov. "Experimental Study of Characteristics of Vortex Diode." Chemical and Petroleum Engineering 57, no. 3-4 (2021): 227–30. http://dx.doi.org/10.1007/s10556-021-00922-z.

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7

Suri, Dhavala, Akashdeep Kamra, Thomas N. G. Meier, et al. "Non-reciprocity of vortex-limited critical current in conventional superconducting micro-bridges." Applied Physics Letters 121, no. 10 (2022): 102601. http://dx.doi.org/10.1063/5.0109753.

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Non-reciprocity in the critical current has been observed in a variety of superconducting systems and has been called the superconducting diode effect. The origin underlying the effect depends on the symmetry breaking mechanisms at play. We investigate superconducting micro-bridges of NbN and also NbN/magnetic insulator (MI) hybrids. We observe a large diode efficiency of [Formula: see text]30% when an out-of-plane magnetic field as small as 25 mT is applied. In both NbN and NbN/MI hybrid, we find that the diode effect vanishes when the magnetic field is parallel to the sample plane. Our obser

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8

Kaigorodov, S. Yu, and I. V. Tsvetkov. "Characteristics of a Vortex Diode of Increased Diodicity." Russian Engineering Research 41, no. 12 (2021): 1165–68. http://dx.doi.org/10.3103/s1068798x21120200.

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9

Skirdkov, P. N., A. F. Popkov, and K. A. Zvezdin. "Vortex spin-torque diode: The impact of DC bias." Applied Physics Letters 113, no. 24 (2018): 242403. http://dx.doi.org/10.1063/1.5064440.

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10

Thomas, G. M., A. Minassian, and M. J. Damzen. "Optical vortex generation from a diode-pumped alexandrite laser." Laser Physics Letters 15, no. 4 (2018): 045804. http://dx.doi.org/10.1088/1612-202x/aaa9a4.

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11

Wang, Jian, and Wei Chen. "Numerical optimization design of vortex diode hydrodynamic cavitation reactor." Journal of Physics: Conference Series 1300 (August 2019): 012116. http://dx.doi.org/10.1088/1742-6596/1300/1/012116.

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12

Yin, Junlian, Lei Jiao, and Leqin Wang. "Large eddy simulation of unsteady flow in vortex diode." Nuclear Engineering and Design 240, no. 5 (2010): 970–74. http://dx.doi.org/10.1016/j.nucengdes.2010.01.010.

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13

Motamed-Amini, A., and I. Owen. "The expansion of wet steam through a compressible confined vortex in a fluidic vortex diode." International Journal of Multiphase Flow 13, no. 6 (1987): 845–56. http://dx.doi.org/10.1016/0301-9322(87)90071-1.

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14

Gaikwad, Vikrant, and Vivek Ranade. "Disinfection of Water Using Vortex Diode as Hydrodynamic Cavitation Reactor." Asian Journal of Chemistry 28, no. 8 (2016): 1867–70. http://dx.doi.org/10.14233/ajchem.2016.19991.

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15

Kaygorodov, S. Yu. "Characteristics of a Vortex Hydropneumatic Diode with a Rotating Impeller." Russian Engineering Research 44, no. 9 (2024): 1248–51. http://dx.doi.org/10.3103/s1068798x24702186.

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16

YOSHITOMI, Hideki, Tsutomu WADA, Tadao KOIZUMI, and Kenichi MUROYAMA. "The effects of design parameters on vortex diode pump performance." Transactions of the Japan Society of Mechanical Engineers Series B 55, no. 513 (1989): 1386–91. http://dx.doi.org/10.1299/kikaib.55.1386.

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17

Durry, G., and A. Hauchecorne. "Evidence for long-lived polar vortex air in the mid-latitude summer stratosphere from in situ laser diode CH<sub>4</sub> and H<sub>2</sub>O measurements." Atmospheric Chemistry and Physics Discussions 5, no. 2 (2005): 1241–53. http://dx.doi.org/10.5194/acpd-5-1241-2005.

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Abstract. A balloon borne diode laser spectrometer was launched in southern France in June 2000 to yield in situ stratospheric CH4 and H2O measurements. In the altitude region ranging from 20 km to 25 km, striking large spatial structures were observed in the vertical concentration profiles of both species. We suggest these patterns are due to the presence of long-lived remnants of the wintertime polar vortex in the mid-latitude summer stratosphere. To support this interpretation, a high resolution advection model for potential vorticity is used to investigate the evolution of the Arctic vorte

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18

Durry, G., and A. Hauchecorne. "Evidence for long-lived polar vortex air in the mid-latitude summer stratosphere from in situ laser diode CH<sub>4</sub> and H<sub>2</sub>O measurements." Atmospheric Chemistry and Physics 5, no. 6 (2005): 1467–72. http://dx.doi.org/10.5194/acp-5-1467-2005.

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Abstract. A balloon borne diode laser spectrometer was launched in southern France in June 2000 to yield in situ stratospheric CH4 and H2O measurements. In the altitude region ranging from 20km to 25km, striking large spatial structures were observed in the vertical concentration profiles of both species. We suggest these patterns are due to the presence of long-lived remnants of the wintertime polar vortex in the mid-latitude summer stratosphere. To support this interpretation, a high resolution advection model for potential vorticity is used to investigate the evolution of the Arctic vortex

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19

Xu, Cong, and Hui Yu. "Compact system without moving parts for retrieving residuals from storage tanks." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 228, no. 13 (2014): 2372–82. http://dx.doi.org/10.1177/0954406213518909.

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A compact retrieval system without moving parts was designed to lift and transport residuals in storage tanks to a higher elevation. The key component of the retrieval system, a curve reverse flow diverter (CRFD) with a vortex diode, was machined into a stainless steel disk to enable the entire system to be compact. The compact retrieval system can be installed in storage tanks through an existing narrow mounting hole. The pumping performance of the retrieval system was examined in terms of the effects of curve reverse flow diverter configurations, lift height, compression pressure, and suctio

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20

Stepanov, Ivan V., Denis M. Fatkhiev, Vladimir S. Lyubopytov, et al. "Wavelength-Tunable Vortex Beam Emitter Based on Silicon Micro-Ring with PN Depletion Diode." Sensors 22, no. 3 (2022): 929. http://dx.doi.org/10.3390/s22030929.

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Herein we propose a design of a wavelength-tunable integrated vortex beam emitter based on the silicon-on-insulator platform. The emitter is implemented using a PN-depletion diode inside a microring resonator with the emitting hole grating that was used to produce a vortex beam. The resonance wavelengths can be shifted due to the refractive index change associated with the free plasma dispersion effect. Obtained numerical modeling results confirm the efficiency of the proposed approach, providing a resonance wavelength shift while maintaining the required topological charge of the emitted vort

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21

Snarskiĭ, A. A., È. A. Pashitskiĭ, and A. M. Palti. "The diode percolation model of vortex flow in the resistive state of HTS films." Low Temperature Physics 21, no. 9 (1995): 706–11. https://doi.org/10.1063/10.0033876.

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The behavior of IVC in the initial region of the resistive state of HTS films, which follows a power law in contrast to the exponential behavior of IVC for low-temperature superconductors, is explained theoretically. Depinning of vortices in type II layered superconductors with a continuous distribution of pinning forces (in a certain finite interval) is described on the basis of a model of percolation structure constructed for the so-called diode percolation. This model is used for calculating the universal critical exponent γ of the power IVC E ∼ (j–jc)γ, which can be expressed in terms of t

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22

TAKAGI, Minoru, Tsutomu WADA, and Akira SHIMIZU. "Studies on Some Design Conditions of a Fluidic Vortex Diode Pump." Transactions of the Society of Instrument and Control Engineers 22, no. 2 (1986): 218–23. http://dx.doi.org/10.9746/sicetr1965.22.218.

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23

DOHTA, Shujiro, and Kazumasa OHSAKA. "Effect of Wall Roughness on the Characteristics of a Vortex Diode." Transactions of the Society of Instrument and Control Engineers 26, no. 11 (1990): 1316–18. http://dx.doi.org/10.9746/sicetr1965.26.1316.

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24

Zhao, Lina, Ye Yuan, Luyang Tong, Fangxin Cai, Wenyu Zhang, and Yangjian Cai. "Broadly tunable optical vortex beam in a diode-pumped Yb:CALGO laser." Optics & Laser Technology 141 (September 2021): 107134. http://dx.doi.org/10.1016/j.optlastec.2021.107134.

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25

Chen, Dimeng, Yujie Miao, Hanjie Wang, and Jun Dong. "Vortex arrays directly generated from an efficient diode-pumped microchip laser." Journal of Physics: Photonics 2, no. 3 (2020): 035002. http://dx.doi.org/10.1088/2515-7647/ab8a5b.

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26

Jiao, L., P. P. Zhang, C. N. Chen, J. L. Yin, and L. Q. Wang. "Experimental study on the cavitation of vortex diode based on CFD." IOP Conference Series: Earth and Environmental Science 15, no. 6 (2012): 062058. http://dx.doi.org/10.1088/1755-1315/15/6/062058.

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27

Iizuka, Satoru, and Hiroshi Tanaca. "Nonlinear evolution of double layers and electron vortices in an unstable plasma diode." Journal of Plasma Physics 33, no. 1 (1985): 29–41. http://dx.doi.org/10.1017/s0022377800002294.

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Nonlinear evolution of a large-amplitude relaxation oscillation in an unstable plasma diode is investigated by a computer simulation using a particle model. The oscillation is closely related to double-layer dynamics accompanied by a negative potential dip on the low-potential tail. A vortex is formed in the electron velocity phase space during the potential evolution, which causes a topological rearrangement of the phase space in the high-potential plasma.

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28

Yang, Yashuai, Yongliang Li, Xinyi Zhu, Chi Wang, and Chao Yang. "Intra-Cavity Cascaded Pumped 946/1030 nm Dual-Wavelength Vortex Laser Using a Spot-Defect Mirror." Photonics 10, no. 5 (2023): 554. http://dx.doi.org/10.3390/photonics10050554.

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Due to their unique properties, vortex lasers have high application value in frontier fields such as optical micromanipulation, super-resolution imaging, quantum entanglement, and optical communication. In this study, we demonstrated a 946/1030 nm Laguerre-Gaussian (LG01) mode dual-wavelength vortex laser by using an intracavity cascade pumped structure and a spot-defect output mirror. Using a coaxial linear cavity structure, the 808 nm laser diode (LD) was used to end-pump the Nd:YAG crystal to generate a 946 nm laser and then use it to directly pump the Yb:YAG crystal in the cavity to genera

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29

Omatsu, T., M. Okida, and Y. Hayashi. "Over 10-Watt Vortex Output from a Diode-Pumped Solid-State Laser." Topologica 2, no. 1 (2009): 010. http://dx.doi.org/10.3731/topologica.2.010.

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30

Rao, A. Srinivasa, Taku Miike, Katsuhiko Miyamoto, and Takashige Omatsu. "Optical vortex lattice mode generation from a diode-pumped Pr3+:LiYF4 laser." Journal of Optics 23, no. 7 (2021): 075502. http://dx.doi.org/10.1088/2040-8986/ac067d.

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31

Lu, Jieling, Haifeng Lin, Ge Zhang, et al. "Direct generation of an optical vortex beam from a diode-pumped Yb:MgWO4laser." Laser Physics Letters 14, no. 8 (2017): 085807. http://dx.doi.org/10.1088/1612-202x/aa7878.

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32

Shen, Yijie, Yuan Meng, Xing Fu, and Mali Gong. "Dual-wavelength vortex beam with high stability in a diode-pumped Yb:CaGdAlO4laser." Laser Physics Letters 15, no. 5 (2018): 055803. http://dx.doi.org/10.1088/1612-202x/aaaa97.

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33

Lim, Do Kyun, Min Seop Song, Hoon Chae, and Eung Soo Kim. "Topology optimization on vortex-type passive fluidic diode for advanced nuclear reactors." Nuclear Engineering and Technology 51, no. 5 (2019): 1279–88. http://dx.doi.org/10.1016/j.net.2019.03.018.

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34

Dai, Yuelai, Zhimin Guo, and Jingwei Li. "Numerical Simulation of Flow Characteristics of Vortex Diode with Multi-tangential Tubes." IOP Conference Series: Earth and Environmental Science 330 (November 8, 2019): 052008. http://dx.doi.org/10.1088/1755-1315/330/5/052008.

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35

Zhang, Wu, Jiahan Lin, Zitao Zheng, et al. "A One-Bit Programmable Multi-Functional Metasurface for Microwave Beam Shaping." Micromachines 14, no. 11 (2023): 2011. http://dx.doi.org/10.3390/mi14112011.

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In this paper, we demonstrate a multi-functional metasurface for microwave beam-shaping application. The metasurface consists of an array of programmable unit cells, and each unit cell is integrated with one varactor diode. By turning the electrical bias on the diode on and off, the phase delay of the microwave reflected by the metasurface can be switched between 0 and π at a 6.2 GHz frequency, which makes the metasurface 1-bit-coded. By programming the 1-bit-coded metasurface, the generation of a single-focus beam, a double-focus beam and a focused vortex beam was experimentally demonstrated.

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36

Zhang, Lijun, Yuelai Dai, Yulei Li, et al. "Simulation Analysis of Flow Characteristics in the Vortex Diode with Double Tangential Tube." Open Journal of Modelling and Simulation 05, no. 03 (2017): 174–81. http://dx.doi.org/10.4236/ojmsi.2017.53013.

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37

Chesca, Boris, Daniel John, Richard Pollett та ін. "Magnetic field tunable vortex diode made of YBa2Cu3O7−δ Josephson junction asymmetrical arrays". Applied Physics Letters 111, № 6 (2017): 062602. http://dx.doi.org/10.1063/1.4997741.

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38

Carapella, G., V. Granata, F. Russo, and G. Costabile. "Bistable Abrikosov vortex diode made of a Py–Nb ferromagnet-superconductor bilayer structure." Applied Physics Letters 94, no. 24 (2009): 242504. http://dx.doi.org/10.1063/1.3155424.

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39

Zhang, Ziqi, Yiming Wen, Yafei Ning, Zirui Zhang, Hu Li, and Yuhan Xia. "Improved Implementation of Chua’s Circuit on an Active Inductor and Non-Autonomous System." Electronics 13, no. 13 (2024): 2637. http://dx.doi.org/10.3390/electronics13132637.

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Chua’s circuit is a well-established model for studying chaotic phenomena and is extensively implemented in fields like encrypted communication. However, a traditional Chua’s circuit has large volume, high component precision requirements and limited adjustable parameter range, which are not conducive to application. In order to solve these problems, we propose an improved implementation of Chua’s circuit on an active inductor and non-autonomous system. First, we adopt the strategy of using active inductors instead of traditional passive inductors, achieving the miniaturization of the circuit

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40

Sokirko, K. N., E. A. Pavliuchenko, and E. A. Lysenko. "Improving efficiency of road transport through the use of hydrodiodes in hydraulic systems taking into account cavitation phenomena." Russian Automobile and Highway Industry Journal 21, no. 4 (2024): 562–79. http://dx.doi.org/10.26518/2071-7296-2024-21-4-562-579.

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Introduction. One of the promising ways to reduce dynamic loads during operation of hydraulic crane manipulator installations is the use of hydrodiodes. In hydraulic systems operating at high speeds of the working fluid, cavitation phenomena may occur in the hydrodiode, which are accompanied by increased noise and vibration, and may lead to the destruction of the hydrodiode, which is not acceptable. The paper compares the results of calculating the flow of liquid in the flow part of a vortex hydrodiode, taking into account cavitation phenomena and without cavitation phenomena, with the results

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41

Lin, Xiuji, Qichen Feng, Yao Zhu, et al. "Diode-pumped wavelength-switchable visible Pr3+:YLF laser and vortex laser around 670 nm." Opto-Electronic Advances 4, no. 4 (2021): 21000601–8. http://dx.doi.org/10.29026/oea.2021.210006.

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42

Cui, Shengwei, Nan Li, Bin Xu, et al. "Direct generation of visible vortex Hermite-Gaussian modes in a diode-pumped Pr:YLF laser." Optics & Laser Technology 131 (November 2020): 106389. http://dx.doi.org/10.1016/j.optlastec.2020.106389.

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43

Qu, Shi-Xiang, Yan-Hua Wu, Zhao-Zhong He, and Kun Chen. "Surrogate Fluid Experimental Study and CFD Simulation on the Hydraulic Characteristics of Vortex Diode." Nuclear Science and Engineering 189, no. 3 (2017): 282–89. http://dx.doi.org/10.1080/00295639.2017.1405652.

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44

Srisuphaphon, Sorakrai, Sitti Buathong, and Sarayut Deachapunya. "Realization of an optical vortex from light-emitting diode source by a vortex half-wave retarder and using Talbot effect based detection." Optics & Laser Technology 148 (April 2022): 107746. http://dx.doi.org/10.1016/j.optlastec.2021.107746.

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45

Wang, Yunbin, Yijie Shen, Yuan Meng, and Mali Gong. "Generation of 1535-nm Pulsed Vortex Beam in a Diode-Pumped Er,Yb:Glass Microchip Laser." IEEE Photonics Technology Letters 30, no. 10 (2018): 891–94. http://dx.doi.org/10.1109/lpt.2018.2822838.

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46

Jain, Pooja, Vinay M. Bhandari, Kshama Balapure, Jyotsnarani Jena, Vivek V. Ranade, and Deepak J. Killedar. "Hydrodynamic cavitation using vortex diode: An efficient approach for elimination of pathogenic bacteria from water." Journal of Environmental Management 242 (July 2019): 210–19. http://dx.doi.org/10.1016/j.jenvman.2019.04.057.

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47

Mpayipheli, Neliswa, Anele Mpupa, and Philiswa Nosizo Nomngongo. "Vortex-Assisted Dispersive Molecularly Imprinted Polymer-Based Solid Phase Extraction of Acetaminophen from Water Samples Prior to HPLC-DAD Determination." Separations 8, no. 10 (2021): 194. http://dx.doi.org/10.3390/separations8100194.

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In the present study, acetaminophen (ACT) molecularly imprinted polymer (ACT-MIP) were successfully synthesized via surface imprinting polymerization. The structural and morphological properties of ACT-MIP were characterized using various analytical techniques. ACT-MIP were used as an adsorbent in a vortex-assisted dispersive molecularly imprinted solid-phase micro-extraction (VA-d-μ-MISPE), coupled with a high-performance liquid chromatography–diode array detector (HPLC-DAD) method for the determination of ACT in water samples. Influential parameters such as the mass of adsorbent, vortex spee

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48

Tsunegi, Sumito, Tomohiro Taniguchi, Kay Yakushiji, Akio Fukushima, Shinji Yuasa, and Hitoshi Kubota. "Achievement of high diode sensitivity via spin torque-induced resonant expulsion in vortex magnetic tunnel junction." Applied Physics Express 11, no. 5 (2018): 053001. http://dx.doi.org/10.7567/apex.11.053001.

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49

Oh, Ye Jin, Jong Seon Park, Eun Ji Park, Ji Won Kim, and Hoon Jeong. "Diode-pumped Nd:YVO4 lasers with cylindrical vector vortex output in continuous-wave and Q-switched operation." Optics & Laser Technology 164 (September 2023): 109483. http://dx.doi.org/10.1016/j.optlastec.2023.109483.

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50

Liao, Fang-Yi, Yu-Lin Su, Jing-Ru Weng, Ying-Chi Lin, and Chia-Hsien Feng. "Ultrasound–Vortex-Assisted Dispersive Liquid–Liquid Microextraction Combined with High Performance Liquid Chromatography–Diode Array Detection for Determining UV Filters in Cosmetics and the Human Stratum Corneum." Molecules 25, no. 20 (2020): 4642. http://dx.doi.org/10.3390/molecules25204642.

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This study explores the amounts of common chemical ultraviolet (UV) filters (i.e., avobenzone, bemotrizinol, ethylhexyl triazone, octocrylene, and octyl methoxycinnamate) in cosmetics and the human stratum corneum. An ultrasound–vortex-assisted dispersive liquid–liquid microextraction (US–VA–DLLME) method with a high-performance liquid chromatography–diode array detector was used to analyze UV filters. A bio-derived solvent (i.e., anisole) was used as the extractant in the US–VA–DLLME procedure, along with methanol as the dispersant, a vortexing time of 4 min, and ultrasonication for 3 min. Th

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