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Journal articles on the topic 'O-X-B Mode Conversion'

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1

Senstius, Mads Givskov, Simon James Freethy, and Stefan Kragh Nielsen. "Nonlinear degradation of O-X-B mode conversion in MAST Upgrade." EPJ Web of Conferences 277 (2023): 01009. http://dx.doi.org/10.1051/epjconf/202327701009.

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Spherical tokamaks like the MAST Upgrade device are often operated in an overdense regime. As a consequence, conventional electron cyclotron resonance heating (ECRH) and current drive (ECCD) are typically not possible. MAST Upgrade is planned to investigate a mode coupling scheme known as O-X-B at high power, which may allow gyrotrons to heat and drive current in overdense plasmas by coupling electromagnetic waves to electrostatic electron Bernstein waves (EBWs) at the upper hybrid (UH) layer. However at the gyrotron beam intensities planned for MAST Upgrade, several nonlinear effects may degr
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Arefiev, A. V., I. Y. Dodin, A. Köhn, et al. "Kinetic simulations of X-B and O-X-B mode conversion and its deterioration at high input power." Nuclear Fusion 57, no. 11 (2017): 116024. http://dx.doi.org/10.1088/1741-4326/aa7e43.

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Bin, W., A. Bruschi, O. D'Arcangelo, et al. "Feasibility study of O–X coupling for overdense plasma heating through O–X–B mode conversion in FTU." Nuclear Fusion 53, no. 8 (2013): 083020. http://dx.doi.org/10.1088/0029-5515/53/8/083020.

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4

Kohn, A., E. Holzhauer, and U. Stroth. "Visualization of the O-X-B Mode Conversion Process With a Full-Wave Code." IEEE Transactions on Plasma Science 36, no. 4 (2008): 1220–21. http://dx.doi.org/10.1109/tps.2008.924265.

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5

Hansen, F. R., J. P. Lynov, and P. Michelsen. "The O-X-B mode conversion scheme for ECRH of a high-density Tokamak plasma." Plasma Physics and Controlled Fusion 27, no. 10 (1985): 1077–100. http://dx.doi.org/10.1088/0741-3335/27/10/002.

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6

Igami, H., S. Kubo, H. P. Laqua, et al. "Searching for O-X-B mode-conversion window with monitoring of stray microwave radiation in LHD." Review of Scientific Instruments 77, no. 10 (2006): 10E931. http://dx.doi.org/10.1063/1.2336460.

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7

Köhn, A., Á. Cappa, E. Holzhauer, F. Castejón, Á. Fernández, and U. Stroth. "Full-wave calculation of the O–X–B mode conversion of Gaussian beams in a cylindrical plasma." Plasma Physics and Controlled Fusion 50, no. 8 (2008): 085018. http://dx.doi.org/10.1088/0741-3335/50/8/085018.

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8

Pochelon, A., A. Mueck, L. Curchod, et al. "Electron Bernstein wave heating of over-dense H-mode plasmas in the TCV tokamak via O-X-B double mode conversion." Nuclear Fusion 47, no. 11 (2007): 1552–58. http://dx.doi.org/10.1088/0029-5515/47/11/017.

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9

Shevchenko, V. F. "ECE measurements via B-X-O mode conversion: A proposal to diagnose the q profile in spherical tokamaks." Plasma Physics Reports 26, no. 12 (2000): 1000–1004. http://dx.doi.org/10.1134/1.1331135.

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10

Guo, Xingyu, Ryo Ashida, Yuto Noguchi, et al. "Direct measurement of electron Bernstein waves in Low Aspect ratio Torus Experiment (LATE)." Plasma Physics and Controlled Fusion 64, no. 3 (2022): 035008. http://dx.doi.org/10.1088/1361-6587/ac4522.

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Abstract By using a newly developed five-pin probe antenna and two-dimensional mechanical probe driving system, the 2D wave pattern of phase and amplitude has been directly measured in the Low Aspect ratio Torus Experiment (LATE) device, for an overdense ECR plasma with microwave obliquely injected. In the case of O-mode injection, an electron Bernstein wave (EBW)-like wave pattern has been detected for the first time, in a localized region near the upper hybrid resonance layer. The pattern has a short wavelength of about 2 mm and is also electrostatic and backward. In the case of X-mode injec
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11

Bilato, R., F. Volpe, A. Köhn, et al. "Feasibility of electron Bernstein wave coupling via O-X-B mode conversion in the RFX-mod reversed field pinch device." Nuclear Fusion 49, no. 7 (2009): 075020. http://dx.doi.org/10.1088/0029-5515/49/7/075020.

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12

Biewer, T. M., C. Lau, T. S. Bigelow, et al. "Utilization of O-X-B mode conversion of 28 GHz microwaves to heat core electrons in the upgraded Proto-MPEX." Physics of Plasmas 26, no. 5 (2019): 053508. http://dx.doi.org/10.1063/1.5093321.

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13

Kohn, Alf, Roberto Bilato, Francesco Volpe, and Roberto Paccagnella. "Full-Wave Simulations of the O–X–B Mode Conversion in a Realistic Experimental Geometry in the RFX-mod Device." IEEE Transactions on Plasma Science 39, no. 11 (2011): 3016–17. http://dx.doi.org/10.1109/tps.2011.2155680.

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14

Nakajima, S., and H. Abe. "Particle simulation of the OXB mode conversion and overdense plasma heating in the electron cyclotron range of frequencies." Physics Letters A 124, no. 4-5 (1987): 295–98. http://dx.doi.org/10.1016/0375-9601(87)90641-4.

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15

Laqua, H. P., V. Erckmann, H. J. Hartfuß, and H. Laqua. "Resonant and Nonresonant Electron Cyclotron Heating at Densities above the Plasma Cutoff by O-X-B Mode Conversion at the W7-As Stellarator." Physical Review Letters 78, no. 18 (1997): 3467–70. http://dx.doi.org/10.1103/physrevlett.78.3467.

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16

Marin, J. F. Caneses, C. L. Lau, R. H. Goulding, et al. "Power transport efficiency during O-X-B 2nd harmonic electron cyclotron heating in a helicon linear plasma device 1." Plasma Physics and Controlled Fusion 64, no. 2 (2021): 025005. http://dx.doi.org/10.1088/1361-6587/ac4525.

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Abstract The principal objective of this work is to report on the power coupled to a tungsten target in the prototype-material plasma exposure experiment device during oblique injection of a microwave beam (<70 kW at 28 GHz) into a high-power (∼100 kW at 13.56 MHz) over-dense ( 1 \times {10^{19}}{\text{ }}{{\text{m}}^{ - 3}}$?> n e > 1 × 10 19 m − 3 ) deuterium helicon plasma column. The experimental setup, electron heating system, electron heating scheme, and IR thermographic diagnostic for quantifying the power transport is described in detail. It is demonstrated that the power tran
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Babaie Rizvandi, Omid, and Robert Braun. "Utilizing Neural Networks for Optimizing the Performance of Solid Oxide Cell Stacks." ECS Meeting Abstracts MA2024-02, no. 48 (2024): 3342. https://doi.org/10.1149/ma2024-02483342mtgabs.

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Solid oxide cells (SOCs) are one of the promising energy conversion devices due to their high efficiency and relevance to many commercial and industrial applications. Much development progress has been made in the last 10-years improving the scale-up, degradation, and commercialization outlook globally. Further commercialization of the SOCs necessitates a deeper understanding of their complex internal processes. Experimental methods, albeit valuable, are constrained by cost and time and often cannot capture intricate details like distributions of species, current density, and temperature. Ther
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Cimek, Jarosław, Xavier Forestier, Ryszard Stepien, Mariusz Klimczak, and Ryszard Buczynski. "Synthesis conditions of ZBLAN glass for mid-infrared optical components." Photonics Letters of Poland 10, no. 1 (2018): 8. http://dx.doi.org/10.4302/plp.v10i1.804.

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We report on successful synthesis of ZBLAN glass. Different purity of zirconium tetrafluoride used for synthesis and fluorinating agents were analyzed to obtain high optical quality glass. Among fluorinating agents we used ammonium bifluoride, xenon difluoride and sulfur hexafluoride. The best results in form of synthetized glasses have transmission window extending from 0.2 to 8.0 um, which allows to fabricate fibers for mid-infrared applications. Full Text: PDF ReferencesR. Stępień, J. Cimek, D. Pysz, I. Kujawa, M. Klimczak, and R. Buczyński, Soft glasses for photonic crystal fibers and micr
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Abd El-Moneim, Amin, Hassan A. Hashem, and M. A. Azooz. "A study on elastic properties of CdO–B2O3 glasses by using ultrasonic pulse-echo technique." Physics and Chemistry of Glasses: European Journal of Glass Science and Technology Part B 65, no. 2 (2024): 56–63. http://dx.doi.org/10.13036/17533562.65.2.24.

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Binary xCdO–(100−x)B2O3 glasses (45 mol% ≤ x ≤ 90 mol%) were successfully prepared by the melt-quenching technique. The effect of CdO on structure and elastic properties of the borate network was studied by using ultrasonic pulse-echo technique. Density and molar volume of the glass show an increase with increasing CdO content, whereas, ultrasonic velocities, elastic moduli, micro-hardness and Debye temperature revealed a broad peaks around 75 mol% CdO. These findings were interpreted in terms the types of the basic structural units that composing the glass network. In the composition range 45
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20

Lindner, Ekkehard, Uwe Schober, Erhard Glaser, Hubert Norz, and Peter Wegner. "Neuartige basische Liganden für die homogenkatalytische Methanolcarbonylierung, XI [1]. Ether-Phosphan-Cobalt-Komplexe in der katalytischen Methanolhydrocarbonylierung zu Acetaldehyd / Novel Basic Ligands for the H om ogeneous Catalytic Methanol Carbonylation, XI [1]. Ether Phosphane Cobalt Complexes in the Catalytic Hydrocarbonylation of Methanol to Acetaldehyde." Zeitschrift für Naturforschung B 42, no. 12 (1987): 1527–36. http://dx.doi.org/10.1515/znb-1987-1207.

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AbstractPhP(CH2C4H7O2)2 (1) and [-CH2(Ph)P~D]2 (3a-c) [D = CH2C4H702 (a), CH2C4H7O (b). CH2CH2OCH3 (c)] are obtained by reaction of Li2PPh and Na(Ph)P~D with ClCH2C4H7O2 and C1CH2CH2Cl, respectively. 1 and 3a, b give rise to high selectivities and conversions in the cobalt catalyzed hydrocarbonylation of methanol to acetaldehyde. Model complexes of cobalt which are of importance in the catalytic cycle are synthesized. Complexes of the type X2Co(Ph2P~D)2 (6az, 6bx-bz, 6cx-cz), especially those with X = I, obtained from CoX2 [X = Cl (x), Br (y), I (z)] and the ether phosphanes Ph2P~D (5a-c), are
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Teppor, Patrick, Armin Hoell, Christian Gollwitzer, et al. "The SAXS Technique for Analyzing the Structure of Fe–N–C Catalysts Used in Anion Exchange Membrane Fuel Cell, Along with Its Applications in the Field of Energy Conversion and Storage." ECS Meeting Abstracts MA2025-01, no. 40 (2025): 2129. https://doi.org/10.1149/ma2025-01402129mtgabs.

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Small-Angle X-ray Scattering (SAXS) is a non-destructive technique used to analyze fine structural details in carbon-based materials, ranging from near-atomic to 100 nanometer scales. This method evaluates sizes, their distribution, volume fraction, and internal surface areas, becoming increasingly vital as material properties often hinge on such minute dimensions. Our presentation will introduce SAXS, focusing on the setup at the HZB synchrotron BESSY II, and highlight its application in studying catalyst nanomaterials for energy technology [1,2]. A key study involving SAXS is the analysis of
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22

Deng, He Lian, and You Gang Xiao. "Development of General Embedded Intelligent Monitoring System for Tower Crane." Applied Mechanics and Materials 103 (September 2011): 394–98. http://dx.doi.org/10.4028/www.scientific.net/amm.103.394.

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For improving the generality, expandability and accuracy, the general embedded intelligent monitoring system of tower crane is developed. The system can be applied to different kinds of tower cranes running at any lifting ratio, can be initialized using U disk with the information of tower crane, and fit the lifting torque curve automatically. In dangerous state, the system can sent out alarm signals with sounds and lights, and cut off power by sending signals to PLC through communication interface RS485. When electricity goes off suddenly, the system can record the real-time operating informa
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23

Tomina, Elena V., Dmitry A. Lastochkin, and Sergey A. Maltsev. "The Synthesis of Nanophosphors YPxV1–xO4 by Spray Pyrolysis and Microwave Methods." Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases 22, no. 4 (2020): 496–503. http://dx.doi.org/10.17308/kcmf.2020.22/3120.

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Due to rare earth doping, phosphates and vanadates are the leading materials for the synthesis of phosphors due to their thermal stability, low sintering temperature, and chemical stability. Phosphors in the nanoscale state are of particular interest. The simple, fast, and scalable synthesis of nanophosphors with high chemical homogeneity is a priority task. The purpose of this work was to synthesize powders of mixed yttrium vanadate-phosphate crystals of various compositions by coprecipitation under the action of microwave radiation and spray pyrolysis, as well as to compare the characteristi
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Sedlařík, Marek, Petr Vyroubal, Dominika Capkova, Martin Šedina, and Tomáš Kazda. "Comprehensive Digital Twin for Lithium-Ion Battery Cell Behavior Modeling." ECS Meeting Abstracts MA2025-01, no. 27 (2025): 1514. https://doi.org/10.1149/ma2025-01271514mtgabs.

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Simulation and modeling have significantly advanced the development and operation of lithium-ion (Li-ion) batteries. Various modeling approaches offer unique insights into the behavior and degradation mechanisms within Li-ion batteries, ranging from physics-based methods [1, 2] providing detailed analyses to data-driven models relying on measured data to estimate battery state. While data-driven approaches [3] require extensive datasets, physics-based models require precise battery material specification and computational complexity. The concept of a digital twin combines these modeling approa
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Farahbakhsh, Nastaran, Majid Shahsanaei, Setareh Orangpour, et al. "Ambient Deposition of Single Atoms for Enhancement of Nanostructured Metal Oxide Electrode Catalytic Performance." ECS Meeting Abstracts MA2024-01, no. 48 (2024): 3085. http://dx.doi.org/10.1149/ma2024-01483085mtgabs.

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Single-atom decoration represents cutting-edge technology for enhancing heterogeneous catalysis by utilizing the unique capabilities of catalysts at the atomic level. However, the high surface energy of single atoms often causes them to aggregate, forming nanoparticles [1]. To address this challenge, we first modify the surface structure by synthesizing nanostructured support layers, such as TiO2 nanotubes, TiO2 nanosheets, and NiO nanosponge. Especially TiO2 nanotubes and NiO nanosponge pose relevant support layers due to their favorable attributes, including a high surface-to-volume ratio, a
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Oduro, Emmanuel. "Truth in the Time of COVID: Dissecting Ghana's Information Ecosystem through Herman and Chomsky's Lens." Inverge Journal of Social Sciences 4, no. 1 (2025): 49–60. https://doi.org/10.63544/ijss.v4i1.119.

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During the COVID-19 pandemic, the media played a vital role in transmitting truthful information alongside misguiding false messages. Research evaluates media coverage effects on public discussions throughout Ghana after the government struggled against the spread of fake information about pandemic treatments and vaccines and their origins. According to Herman and Chomsky's propaganda model, this study evaluates how media institutions backing the government ended up promoting official statements through their platforms though independent outlets and social media channels became place where aut
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27

Kelly, Ruth M. E., Silvia Zane, Roberto Turolla, and Roberto Taverna. "X-ray Polarisation in Magnetar Atmospheres - Effects of Mode Conversion." Monthly Notices of the Royal Astronomical Society, January 13, 2024. http://dx.doi.org/10.1093/mnras/stae159.

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Abstract Magnetars, the most strongly magnetised neutron stars, are among the most promising targets for X-ray polarimetry. The Imaging X-ray Polarimetry Explorer (IXPE), the first satellite devoted to exploring the sky in polarised X-rays, has observed four magnetars to date. A proper interpretation of IXPE results requires the development of new atmospheric models that can take into proper account the effects of the magnetised vacuum on par with those of the plasma. Here we investigate the effects of mode conversion at the vacuum resonance on the polarisation properties of magnetar emission
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Solano Piedra, Ricardo, Ivan Vargas, Luis Alonso Araya Solano, and Fabricio Coto Vílchez. "Characterization of the SCR-1 Stellarator Physics: Investigating Plasma Discharge, MHD Equilibrium Calculations, and O-X-B Mode Conversion Feasibility." Plasma Physics and Controlled Fusion, December 18, 2024. https://doi.org/10.1088/1361-6587/ada0de.

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Abstract The Stellarator de Costa Rica 1 (SCR-1) is a small modular stellarator that serves as a valuable research and training tool for plasma magnetic confinement. This study aimed to analyze the characteristics of SCR-1, including its peripheral systems, technical plasma discharge processes, and advancements in plasma characterization. In addition, this study explored a new heating mechanism and the factors that influence it. The current state of the device and plasma discharge are initially presented. Subsequently, the measurement process was utilized to determine the electronic density an
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Bare, Zachary J. L., Ryan J. Morelock, and Charles B. Musgrave. "Dataset of theoretical multinary perovskite oxides." Scientific Data 10, no. 1 (2023). http://dx.doi.org/10.1038/s41597-023-02127-w.

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AbstractPerovskite oxides (ternary chemical formula ABO3) are a diverse class of materials with applications including heterogeneous catalysis, solid-oxide fuel cells, thermochemical conversion, and oxygen transport membranes. However, their multicomponent (chemical formula $${A}_{x}{A}_{1-x}^{\text{'}}{B}_{y}{B}_{1-y}^{\text{'}}{O}_{3}$$ A x A 1 − x ' B y B 1 − y ' O 3 ) chemical space is underexplored due to the immense number of possible compositions. To expand the number of computed $${A}_{x}{A}_{1-x}^{{\prime} }{B}_{y}{B}_{1-y}^{{\prime} }{O}_{3}$$ A x A 1 − x ′ B y B 1 − y ′ O 3 compound
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Coto-Vílchez, F., V. I. Vargas, R. Solano-Piedra, et al. "Progress on the small modular stellarator SCR-1: new diagnostics and heating scenarios." Journal of Plasma Physics 86, no. 4 (2020). http://dx.doi.org/10.1017/s0022377820000677.

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This work presents updates in the diagnostics systems, magnetohydrodynamics (MHD) calculations and simulations of microwave heating scenarios of the small modular Stellarator of Costa Rica 1 (SCR-1). Similarly, the design of a flexible bolometer and magnetic diagnostics (a set of Mirnov coils, Rogowski coils and two diamagnetic loops) are introduced. Furthermore, new MHD equilibrium calculations for the plasma of the SCR-1 device were performed using the VMEC code including the poloidal cross-section of the magnetic flux surfaces at different toroidal positions, profiles of the rotational tran
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31

Sasu, Prince, Victoria Attoh-Kotoku, Antoinette S. Anim-Jnr, et al. "Toward smallholder bamboo-integrated agro-silvopastoral systems in sub-Saharan Africa: assessing the impact of bamboo leaves on consumption pattern, growth performance and manure characteristics of West African dwarf goats." Frontiers in Animal Science 4 (October 11, 2023). http://dx.doi.org/10.3389/fanim.2023.1108012.

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IntroductionThe selection of appropriate plant species, particularly those tailored to supplement ruminants raised under agrosilvopastoral systems, remains a persistent challenge.ObjectiveIn a 30-day study, the feed intake, growth performance, and manure characteristics of West African dwarf (WAD) goats fed bamboo leaf supplement were evaluated. Materials and methodsA total of 30 animals with an average weight of 9.9 ± 0.21 kg were divided into a control group, and four bamboo-supplemented groups, following a 2 x 2 factorial arrangement within a completely randomized design. Each group had six
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Sarkar, Jagannath. "Genomics of Brevibacterium strains reveal adaptations necessary to acclimatize in different marine environments." June 7, 2024. https://doi.org/10.5281/zenodo.13624149.

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<strong>ABSTRACT</strong> Microbes are ubiquitous throughout the seawater and underlying sediment, which covers the vast region of the earth surface. Strains of different genera under the phylum <em>Actinobacteria</em> are ubiquitous all-over different environments of the earth surfaces. A well-studied aerobic genus, <em>Brevibacterium</em>, under the phylum also found to be omnipresent in both marine and terrestrial environments, ranging from coastal to open ocean. Which raise question, whether marine strains are phylogenetically distinct from others or not, and what are the special genomic a
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sprotocols. "Imaging and Analysis of OT1 T Cell Activation on Lipid Bilayers." January 7, 2015. https://doi.org/10.5281/zenodo.13784.

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Authors: Peter Beemiller, Jordan Jacobelli &amp; Matthew Krummel ### Abstract Supported lipid bilayers are frequently used to study cell membrane protein dynamics during immune synapse formation by T cells. Here we describe methods for the imaging and analysis of OT1+ T cell activation and T-cell receptor (TCR) dynamics on lipid bilayers. ### Introduction T cells are activated at immune synapses when TCRs bind agonist ligands on antigen presenting cells (APCs). Glass coverslip–supported lipid bilayers provide a system for in vitro T cell activation and immune synapse formation. In these system
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Hossein, Jadidoleslamy. "DESIGNING A NOVEL APPROACH FOR FINGERPRINT BIOMETRIC DETECTION: BASED ON MINUTIAE EXTRACTION." December 28, 2012. https://doi.org/10.5121/ijbb.2012.2402.

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International Journal on Bioinformatics &amp; Biosciences (IJBB) Vol.2, No.4, December 2012 DOI : 10.5121/ijbb.2012.2402 11 DESIGNING A NOVEL APPROACH FOR FINGERPRINT BIOMETRIC DETECTION: BASED ON MINUTIAE EXTRACTION Hossein Jadidoleslamy Information Technology Engineering Group, Department of Information Technology, Communications and Security, University of Malek Ashtar, Tehran, Iran tanha.hossein@gmail.com ABSTRACT People authentication based on fingerprint is one of the most important people authentication techniques which it used biology specifications. The main purpose of this paper is d
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sprotocols. "Assay for quantitative determination of CYP1A1 enzyme activity using 7-Ethoxyresorufin as standard substrate (EROD assay)." December 31, 2014. https://doi.org/10.5281/zenodo.13665.

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Authors: Afshin Mohammadi-Bardbori ### Abstract The activity of the enzyme 7-ethoxy-resorufin-O-deethylase (EROD) has been extensively employed in biomonitoring studies of persistent organic pollutants (POPs) for more than a decade. Although the procedure is simple, convenient, sensitive and accurate. The cytochrome P450 monooxygenase 1A (CYP1A) is induced by several planar toxic compounds and endogenous chemicals, and the induction of this protein is often measured in terms of EROD activity. This protocol describes how to use EROD activity in the prediction of toxicity of chemicals in several
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Bowers, Olivia, and Mifrah Hayath. "Cultural Relativity and Acceptance of Embryonic Stem Cell Research." Voices in Bioethics 10 (May 16, 2024). http://dx.doi.org/10.52214/vib.v10i.12685.

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Photo ID 158378414 © Eduard Muzhevskyi | Dreamstime.com ABSTRACT There is a debate about the ethical implications of using human embryos in stem cell research, which can be influenced by cultural, moral, and social values. This paper argues for an adaptable framework to accommodate diverse cultural and religious perspectives. By using an adaptive ethics model, research protections can reflect various populations and foster growth in stem cell research possibilities. INTRODUCTION Stem cell research combines biology, medicine, and technology, promising to alter health care and the understanding
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João, Fradinho Oliveira. "PERSPECTIVES ON COMPUTER ASSISTED SURGERY (CAS) IN MINIMALLY INVASIVE SURGERY AND THE ROLE OF THE CAS SYSTEM NURSE." December 12, 2012. https://doi.org/10.5121/ijbb.2012.2401.

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International Journal on Bioinformatics &amp; Biosciences (IJBB) Vol.2, No.4, December 2012 DOI : 10.5121/ijbb.2012.2401 1 PERSPECTIVES ON COMPUTER ASSISTED SURGERY (CAS) IN MINIMALLY INVASIVE SURGERY AND THE ROLE OF THE CAS SYSTEM NURSE Jo&atilde;o Fradinho Oliveira1 Hugo Capote2 Jos&eacute; Blas Pagador3 Jos&eacute; Luis Moyano Cuevas3 Francisco Miguel S&aacute;nchez Margallo4 1 C3i/Instituto Polit&eacute;cnico de Portalegre, Portalegre, Portugal jfoliveira@estgp.pt 2 Hospital Dr. Jos&eacute; Maria Grande in Portalegre, Portugal hugocapote@gmail.com 3 Bioengineering and Health Technology Uni
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Broderick, Mick, Stuart Marshall Bender, and Tony McHugh. "Virtual Trauma: Prospects for Automediality." M/C Journal 21, no. 2 (2018). http://dx.doi.org/10.5204/mcj.1390.

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Unlike some current discourse on automediality, this essay eschews most of the analysis concerning the adoption or modification of avatars to deliberately enhance, extend or distort the self. Rather than the automedial enabling of alternative, virtual selves modified by playful, confronting or disarming avatars we concentrate instead on emerging efforts to present the self in hyper-realist, interactive modes. In doing so we ask, what is the relationship between traumatic forms of automediation and the affective impact on and response of the audience? We argue that, while on the one hand there
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Sk, Farooq. "Journal Vol – 15 No -7, July 2020 Journal > Journal > Journal Vol – 15 No -7, July 2020 > Page 6 PERFORMANCE AND EMISSION CHARACTERISTICS OF GASOLINE-ETHANOL BLENDS ON PFI-SI ENGINE Authors: D.Vinay Kumar ,G.Samhita Priyadarsini,V.Jagadeesh Babu,Y.Sai Varun Teja, DOI NO: https://doi.org/10.26782/jmcms.2020.07.00051 admin July 26, 2020 Abstract: Alcohol based fuels can be produced from renewable energy sources and has the potential to reduce pollutant emissions due to their oxygenated nature. Lighter alcohols like ethanol and methanol are easily miscible with gasoline and by blending alcohols with gasoline; a part of conventional fuel can be replaced while contributing to fuel economy. Several researchers tested various ethanol blends on different engine test rigs and identified ethanol as one of the most promising ecofriendly fuels for spark ignition engine. Its properties high octane number, high latent heat of vaporization give better performance characteristics and reduces exhaust emissions compared to gasoline. This paper focuses on studying the effects of blending 50 of ethanol by volume with gasoline as it hardly needs engine modifications. Gasoline (E0) and E50 fuels were investigated experimentally on single-cylinder, four-stroke port fuel injection spark ignition engine by varying engine speed from 1500 rpm to 3500 rpm. Performance Characteristics like torque, brake power, specific fuel consumption, and volumetric efficiency and exhaust emissions such as HC, CO, CO2, NOx were studied.. Keywords: Ethanol,Emissions,Gasoline,Port fuel Injection, Refference: I Badrawada, I. G. G., and A. A. P. Susastriawan. “Influence of ethanol–gasoline blend on performance and emission of four-stroke spark ignition motorcycle.” Clean Technologies and Environmental Policy (2019): 1-6. II Doğan, Battal, et al. “The effect of ethanol-gasoline blends on performance and exhaust emissions of a spark ignition engine through exergy analysis.” Applied Thermal Engineering 120 (2017): 433-443. III Efemwenkiekie, U. Ka, et al. “Comparative Analysis of a Four Stroke Spark Ignition Engine Performance Using Local Ethanol and Gasoline Blends.” Procedia Manufacturing 35 (2019): 1079-1086. IV Galloni, E., F. Scala, and G. Fontana. “Influence of fuel bio-alcohol content on the performance of a turbo-charged, PFI, spark-ignition engine.” Energy 170 (2019): 85-92. V Hasan, Ahmad O., et al. “Impact of changing combustion chamber geometry on emissions, and combustion characteristics of a single cylinder SI (spark ignition) engine fueled with ethanol/gasoline blends.” Fuel 231 (2018): 197-203. VI Mourad, M., and K. Mahmoud. “Investigation into SI engine performance characteristics and emissions fuelled with ethanol/butanol-gasoline blends.” Renewable Energy 143 (2019): 762-771. VII Singh, Ripudaman, et al. “Influence of fuel injection strategies on efficiency and particulate emissions of gasoline and ethanol blends in a turbocharged multi-cylinder direct injection engine.” International Journal of Engine Research (2019): 1468087419838393. VIII Thakur, Amit Kumar, et al. “Progress in performance analysis of ethanol-gasoline blends on SI engine.” Renewable and Sustainable Energy Reviews 69 (2017): 324-340. View Download Journal Vol – 15 No -7, July 2020 CHARACTERIZATION OF MATERIALS FOR CUSTOMIZED AFO USING ADDITIVE MANUFACTURING Authors: Gamini Suresh,Nagarjuna Maguluri,Kunchala Balakrishna, DOI NO: https://doi.org/10.26782/jmcms.2020.07.00052 admin July 26, 2020 Abstract: Neurodegenerative conditions and compressed nerves often cause an abnormal foot drop that affects an individual gait and make it difficult to walk normally. Ankle Foot Orthosis (AFO) is the medical device which is recommended for the patients to improve the walking ability and decrease the risk of falls. Custom AFOs provide better fit, comfort and performance than pre-manufactured ones. The technique of 3D-printing is suitable for making custom AFOs. Fused deposition modelling (FDM) is a 3D-printing method for custom AFO applications with the desired resistance and material deposition rate. Generally, FDM is a thermal process; therefore materials thermal behaviour plays an important role in optimizing the performance of the printed parts. The objective of this study is to evaluate the thermal behaviour of PLA, ABS, nylon and WF-PLA filaments before manufacturing the AFO components using the FDM method. In the study, the sequence of testing materials provides a basic measuring method to investigate AFO device parts thermal stability. Thermal analysis (TG/DTG and DSC) was carried out before 3D printing is to characterize the thermal stability of each material. Keywords: Additive Manufacturing,Ankle Foot Orthosis (AFO),FusedDeposition Modelling,ThermalAnalysis, Refference: I. J. Pritchett, “Foot drop: Background, Anatomy, Pathophysiology,” Medscape Drugs, Dis. Proced., vol. 350, no. apr27_6, p. h1736, 2014. II. J. Graham, “Foot drop: Explaining the causes, characteristics and treatment,” Br. J. Neurosci. Nurs., vol. 6, no. 4, pp. 168–172, 2010. III. Y. Feng and Y. Song, “The Categories of AFO and Its Effect on Patients With Foot Impair: A Systemic Review,” Phys. Act. Heal., vol. 1, no. 1, pp. 8–16, 2017. IV. J. H. P. Pallari, K. W. Dalgarno, J. Munguia, L. Muraru, L. Peeraer, S. Telfer, and J. Woodburn” Design and additive fabrication of foot and ankle-foot orthoses”21st Annual International Solid Freeform Fabrication Symposium – An Additive Manufacturing Conference, SFF 2010 (2010) 834-845 V. Y. Jin, Y. He, and A. Shih, “Process Planning for the Fuse Deposition Modeling of Ankle-Foot-Othoses,” Procedia CIRP, vol. 42, no. Isem Xviii, pp. 760–765, 2016. VI. R. K. Chen, Y. an Jin, J. Wensman, and A. Shih, “Additive manufacturing of custom orthoses and prostheses-A review,” Addit. Manuf., vol. 12, pp. 77–89, 2016. VII. A. D. Maso and F. Cosmi, “ScienceDirect 3D-printed ankle-foot orthosis : a design method,” Mater. Today Proc., vol. 12, pp. 252–261, 2019. VIII. B. Yuan et al., “Designing of a passive knee-assisting exoskeleton for weight-bearing,” in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2017, vol. 10463 LNAI, pp. 273–285. IX. R. Spina, B. Cavalcante, and F. Lavecchia, “Diment LE, Thompson MS, Bergmann JHM. Clinical efficacy and effectiveness of 3D printing: a systematic review.,” AIP Conf. Proc., vol. 1960, 2018. X. M. Srivastava, S. Maheshwari, T. K. Kundra, and S. Rathee, “ScienceDirect Multi-Response Optimization of Fused Deposition Modelling Process Parameters of ABS Using Response Surface Methodology ( RSM ) -Based Desirability Analysis,” Mater. Today Proc., vol. 4, no. 2, pp. 1972–1977, 2017. XI. E. Malekipour, S. Attoye, and H. El-Mounayri, “Investigation of Layer Based Thermal Behavior in Fused Deposition Modeling Process by Infrared Thermography,” Procedia Manuf., vol. 26, pp. 1014–1022, 2018. XII. A. Patar, N. Jamlus, K. Makhtar, J. Mahmud, and T. Komeda, “Development of dynamic ankle foot orthosis for therapeutic application,” Procedia Eng., vol. 41, no. Iris, pp. 1432–1440, 2012. XIII. Y. A. Jin, H. Li, Y. He, and J. Z. Fu, “Quantitative analysis of surface profile in fused deposition modelling,” Addit. Manuf., vol. 8, pp. 142–148, 2015. XIV. M. Walbran, K. Turner, and A. J. McDaid, “Customized 3D printed ankle-foot orthosis with adaptable carbon fibre composite spring joint,” Cogent Eng., vol. 3, no. 1, pp. 1–11, 2016. XV. N. Wierzbicka, F. Górski, R. Wichniarek, and W. Kuczko, “The effect of process parameters in fused deposition modelling on bonding degree and mechanical properties,” Adv. Sci. Technol. Res. J., vol. 11, no. 3, pp. 283–288, 2017. XVI. S. Farah, D. G. Anderson, and R. Langer, “Physical and mechanical properties of PLA, and their functions in widespread applications — A comprehensive review,” Adv. Drug Deliv. Rev., vol. 107, pp. 367–392, 2016. XVII. S. Wojtyła, P. Klama, and T. Baran, “Is 3D printing safe ? Analysis of the thermal treatment of thermoplastics : ABS , PLA , PET , and,” vol. 9624, no. April, 2017. XVIII. G. Cicala et al., “Polylactide / lignin blends,” J. Therm. Anal. Calorim., 2017. XIX. S. Y. Lee, I. A. Kang, G. H. Doh, H. G. Yoon, B. D. Park, and Q. Wu, “Thermal and mechanical properties of wood flour/talc-filled polylactic acid composites: Effect of filler content and coupling treatment,” J. Thermoplast. Compos. Mater., vol. 21, no. 3, pp. 209–223, 2008. XX. Y. Tao, H. Wang, Z. Li, P. Li, and S. Q. Shi, “Development and application ofwood flour-filled polylactic acid composite filament for 3d printing,” Materials (Basel)., vol. 10, no. 4, pp. 1–6, 2017. XXI. D. Lewitus, S. McCarthy, A. Ophir, and S. Kenig, “The effect of nanoclays on the properties of PLLA-modified polymers Part 1: Mechanical and thermal properties,” J. Polym. Environ., vol. 14, no. 2, pp. 171–177, 2006. XXII. H. J. Chung, E. J. Lee, and S. T. Lim, “Comparison in glass transition and enthalpy relaxation between native and gelatinized rice starches,” Carbohydr. Polym., vol. 48, no. 3, pp. 287–298, 2002. View Download Journal Vol – 15 No -7, July 2020 CFD STUDIES OF MIXING BEHAVIOR OF INERT SAND WITH BIOMASS IN FLUIDIZED BED Authors: B.J.M.Rao,K.V.N.S.Rao, DOI NO: https://doi.org/10.26782/jmcms.2020.07.00053 admin July 26, 2020 Abstract: Agriculture deposits, which remains unused and often causes ecological problems, could play an important role as an energy source to meet energy needs in developing countries ‘ rural areas. Moreover, energy levels in these deposits are low and need to be elevated by introducing efficient operative conversion technologies to utilize these residues as fuels. In this context, the utilization of a fluidized bed innovation enables a wide range of non-uniform-sized low-grade fuels to be effectively converted into other forms of energy.This study was undertaken to evaluate the effectiveness of fluidized conversion method for transformation of agricultural by-products such as rice husk, sawdust, and groundnut shells into useful energy. The present investigation was conducted to know the mixing characteristics of sand and fuel have been found by conducting experiments with mixing ratio of rice husk (1:13), saw dust(1:5) and groundnut shells (1:12), the variation of particle movement in the bed and mixing characteristics are analyzed. The impact of sand molecule size on the fluidization speed of two biofuel and sand components is studied and recommended for groundnut shells using a sand molecule of 0.6 mm size and for rice husk, sawdust 0.4 mm sand particle size. Also, establish that the particle size of sand has a significant effect on mingling features in case of sawdust. In the next part of the investigation, the CFD simulations of the fluidized bed are done to investigate the mixing behavior of sand and biomass particles. A set of simulations are conducted by ANSYS FLUENT16; the state of the bed is the same as that of the test. The findings were presented with the volume fraction of sand and biomass particles in the form of contour plots. Keywords: Biomass,sand,mixing behavior,Volume Fraction,CFD model, Refference: I Anil Tekale, Swapna God, Balaji Bedre, Pankaj Vaghela, Ganesh Madake, Suvarna Labade (2017), Energy Production from Biomass: Review, International Journal of Innovative Science and Research Technology, Volume 2, Issue 10, ISSN No: – 2456 – 2165. II Anil Kumar, Nitin Kumar , Prashant Baredar , Ashish Shukla (2015), A review on biomass energy resources, potential, conversion and policy in India, Renewable and Sustainable Energy, Reviews 45-530-539. III Zhenglan Li, ZhenhuaXue (2015), Review of Biomass Energy utilization technology, 3rd International Conference on Material, Mechanical and Manufacturing Engineering. IV Abdeen Mustafa Omer (2011), Biomass energy resources utilisation and waste management, Journal of Agricultural Biotechnology and Sustainable Development Vol. 3(8), pp. 149 -170 V Rijul Dhingra, Abhinav Jain, Abhishek Pandey, and Srishti Mahajan (2014), Assessment of Renewable Energy in India, International Journal of Environmental Science and Development, Vol. 5, No. 5. VI Paulina Drożyner, Wojciech Rejmer, Piotr Starowicz,AndrzejKlasa, Krystyna A. Skibniewska (2013), Biomass as a Renewable Source of Energy, Technical Sciences 16(3), 211–220. VII Souvik Das, Swati Sikdar (2016), A Review on the Non-conventional Energy Sources in Indian Perspective, International Research Journal of Engineering and Technology (IRJET), Volume: 03 Issue: 02. VIII Maninder, Rupinderjit Singh Kathuria, Sonia Grover, Using Agricultural Residues as a Biomass Briquetting: An Alternative Source of Energy, IOSR Journal of Electrical and Electronics Engineering (IOSRJEEE), ISSN: 2278-1676 Volume 1, Issue 5 (July-Aug. 2012), PP 11-15. IX H.B.Goyal, DiptenduldDeal, R.C.Saxena (2006) Bio-fuels from thermochemical conversion of renewable resources: A review, Renewable and Sustainable Energy Reviews, Volume 12, Issue 2Pages 504-517. X Digambar H. Patil, J. K. Shinde(2017) A Review Paper on Study of Bubbling Fluidized Bed Gasifier, International Journal for Innovative Research in Science & Technology, Volume 4, Issue 4 XI Neil T.M. Duffy, John A. Eaton (2013) Investigation of factors affecting channelling in fixed-bed solid fuel combustion using CFD, Combustion and Flame 160, 2204–2220. XII Xing Wu, Kai Li, Feiyue and Xifeng Zhu (2017), Fluidization Behavior of Biomass Particles and its Improvement in a Cold Visualized Fluidized, Bio Resources 12(2), 3546-3559. XIII N.G. Deen, M. Van Sint Annaland, M.A. Van der Hoef, J.A.M. Kuipers (2007), Reviewof discrete particle modeling of fluidized beds, Chemical Engineering Science 62, 28 – 44. XIV BaskaraSethupathySubbaiah, Deepak Kumar Murugan, Dinesh Babu Deenadayalan, Dhamodharan.M.I (2014), Gasification of Biomass Using Fluidized Bed, International Journal of Innovative Research in Science, Engineering and Technology, Vol. 3, Issue 2. XV Priyanka Kaushal, Tobias Pröll and Hermann Hofbauer, Modelling and simulation of the biomass fired dual fluidized bed gasifier at Guessing/Austria. XVI Dawit DiribaGuta (2012), Assessment of Biomass Fuel Resource Potential and Utilization in Ethiopia: Sourcing Strategies for Renewable Energies, International Journal of Renewable Energy Research, Vol.2, and No.1. View Download Journal Vol – 15 No -7, July 2020 AN APPROACH FOR OPTIMISING THE FLOW RATE CONDITIONS OF A DIVERGENT NOZZLE UNDER DIFFERENT ANGULAR CONDITIONS Authors: Lam Ratna Raju ,Ch. Pavan Satyanarayana,Neelamsetty Vijaya Kavya, DOI NO: https://doi.org/10.26782/jmcms.2020.07.00054 admin July 26, 2020 Abstract: A spout is a device which is used to offer the guidance to the gases leaving the burning chamber. Spout is a chamber which has a capability to change over the thermo-compound essentials created within the ignition chamber into lively vitality. The spout adjustments over the low speed, excessive weight, excessive temperature fuel in the consuming chamber into rapid gasoline of decrease weight and low temperature. An exciting spout is used if the spout weight volume is superior vehicles in supersonic airplane machines commonly combine a few sort of a distinctive spout. Our exam is surpassed on the use of programming like Ansys Workbench for arranging of the spout and Fluent 15.0 for separating the streams inside the spout. The events of staggers for the pipe formed spouts have been seen close by trade parameters for numerous considered one of a kind edges. The parameters underneath recognition are differentiated and that of shape spout for singular terrific edges by using keeping up the gulf, outlet and throat width and lengths of joined together and diverse quantities as same. The simultaneous component and throat expansiveness are kept regular over the cases.The surprise of stun became envisioned and the effects exhibited near closeness in direction of motion of Mach circle and its appearance plans as exposed in numerous preliminary considers on advancement in pipe molded particular spouts with assorted edges four°,7°, 10°, Occurrence of stun is seen with higher special factors Keywords: Nozzle,Supersonic Rocket Engine,Divergent edges, Refference: I. Varun, R.; Sundararajan,T.; Usha,R.; Srinivasan,ok.; Interaction among particle-laden under increased twin supersonic jets, Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 2010 224: 1005. II. Pandey,K.M.; Singh, A.P.; CFD Analysis of Conical Nozzle for Mach 3 at Various Angles of Divergence with Fluent Software, International Journal of Chemical Engineering and Applications, Vol. 1, No. 2, August 2010, ISSN: 2010-0221. III. Natta, Pardhasaradhi.; Kumar, V.Ranjith.; Rao, Dr. Y.V. Hanumantha.; Flow Analysis of Rocket Nozzle Using Computational Fluid Dynamics (Cfd), International Journal of Engineering Research and Applications (IJERA), ISSN: 2248-9622,Vol. 2, Issue five, September- October 2012, pp.1226-1235. IV. K.M. Pandey, Member IACSIT and A.P. Singh. K.M.Pandey, Member, IACSIT and S.K.YadavK.M.Pandey and S.K.Yadav, ―CFD Analysis of a Rocket Nozzle with Two Inlets at Mach2.1, Journal of Environmental Research and Development, Vol 5, No 2, 2010, pp- 308-321. V. Shigeru Aso, ArifNur Hakim, Shingo Miyamoto, Kei Inoue and Yasuhiro Tani “ Fundamental examine of supersonic combustion in natural air waft with use of surprise tunnel” Department of Aeronautics and Astronautics, Kyushu University, Japan , Acta Astronautica 57 (2005) 384 – 389. VI. P. Padmanathan, Dr. S. Vaidyanathan, Computational Analysis of Shockwave in Convergent Divergent Nozzle, International Journal of Engineering Research and Applications (IJERA), ISSN: 2248-9622 , Vol. 2, Issue 2,Mar-Apr 2012, pp.1597-1605. VII. Adamson, T.C., Jr., and Nicholls., J.A., “On the shape of jets from Highly below improved Nozzles into Still Air,” Journal of the Aerospace Sciences, Vol.26, No.1, Jan 1959, pp. Sixteen-24. VIII. Lewis, C. H., Jr., and Carlson, D. J., “Normal Shock Location in underneath increased Gas and Gas particle Jets,” AIAA Journal, Vol 2, No.4, April 1964, pp. 776-777. Books IX. Anderson, John D.Jr.; Modern Compressible Flow with Historical Perspective, Third edition, 2012 X. Versteeg. H.; Malalasekra.W.; An Introduction to Computational Fluid Dynamics The Finite Volume Method, Second Edition,2009. XI. H.K.Versteeg and W.Malala Sekhara, “An introduction to Computational fluid Dynamics”, British Library cataloguing pub, 4th version, 1996. XII. Lars Davidson, “An introduction to turbulenceModels”, Department of thermo and fluid dynamics, Chalmers college of era, Goteborg, Sweden, November, 2003. XIII. Karna s. Patel, “CFD analysis of an aerofoil”, International Journal of engineering studies,2009. XIV. K.M. Pandey, Member IACSIT and A.P. Singh “CFD Analysis of Conical Nozzle for Mach 3 at Various Angles of Divergence with Fluent Software,2017. XV. P. Parthiban, M. Robert Sagayadoss, T. Ambikapathi, Design And Analysis Of Rocket Engine Nozzle by way of the usage of CFD and Optimization of Nozzle parameters, International Journal of Engineering Research, Vol.Three., Issue.5., 2015 (Sept.-Oct.). View Download Journal Vol – 15 No -7, July 2020 DESIGN OPTIMIZATION OF DRIVE SHAFT FOR AN AUTOMOBILE APPLICATIONS Authors: Govindarajulu Eedara,P. N. Manthru Naik, DOI NO: https://doi.org/10.26782/jmcms.2020.07.00055 admin July 26, 2020 Abstract: The driveshaft is a mechanical instrument that is used in automobiles. The other name of the drive shaft is driveshaft is prop shaft. It has one long cylindrical structure consist of two universal joints. By using the driveshaft it transfers the rotary motion to the differential by using the helical gearbox. By using this rotary motion the rare wheels will run. The 3dimensional Model of automobile drive Shaft is designed using CATIA parametric which enables product development processes and thereby brings about an optimum design. Now a day’s steel is using the best material for the driveshaft.In this paper replacing the composite materials (Kevlar, e-glass epoxy) instead of steel material and itreduces a considerable amount of weight when compared to the conventional steel shaft. The composite driveshaft have high modulus is designed by using CATIA software and tested in ANSYS for optimization of design or material check and providing the best datebook Keywords: The driveshaft ,CATIA,automobile,steel,composite materials,ANSYS,Kevla,e-glass epoxy, Refference: I A.R. Abu Talib, Aidy Ali, Mohamed A. Badie, Nur Azienda Che Lah, A.F. Golestaneh Developing a hybrid, carbon/glass-fiber-reinforced, epoxy composite automotive driveshaft, Material and Design, volume31, 2010, pp 514 – 521 II ErcanSevkat, Hikmet Tumer, Residual torsional properties of composite shafts subjected to impact Loadings, Materials, and design, volume – 51, 2013, pp -956-967. III H. Bayrakceken, S. Tasgetiren, I. Yavuz two cases of failure in the power transmission system on vehicles: A Universal joint yoke and a drive shaft, volume-14,2007,pp71. IV H.B.H. Gubran, Dynamics of hybrid shafts, Mechanics Research communication, volume – 32, 2005, pp – 368-374. V Shaw D, Simitses DJ, SheinmanI. Imperfection sensitivity of laminated cylindrical shells in torsion and axial compression. ComposStruct 1985; 4(3) pp:35–60. View Download Journal Vol – 15 No -7, July 2020 EXPERIMENTAL EVALUATION OF AN SI ENGINE USING E10 EQUIVALENT TERNARY GASOLINE- ALCOHOL BLENDS." JOURNAL OF MECHANICS OF CONTINUA AND MATHEMATICAL SCIENCES 15, no. 7 (2020). http://dx.doi.org/10.26782/jmcms.2020.07.00056.

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