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Journal articles on the topic 'Electromagnetic reach'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

R, Bharathi, Om Prakash, S, G. Gowrishankar, and S. Arun. "Electromagnetic Engine Controlled using IR Sensor." Journal of Electronics,Computer Networking and Applied Mathematics, no. 23 (April 20, 2022): 1–4. http://dx.doi.org/10.55529/jecnam.23.1.4.

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The base idea of this paper is to control the electromagnetic engine to enhance a smooth rotation by measuring distance of the piston using an IR sensor. This electromagnetic engine consists of an electromagnet, permanent magnet, Infrared Sensor, powerful microcontroller and power supply. The permanent magnet acts as a piston in this electromagnetic engine, it has magnetic field energy for a proper function. The position of permanent magnet has to be noted for electromagnets energisation in order to reduce power consumption by electromagnet. The infrared sensor mounted with electromagnet set a

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2

R, Bharathi, Om Prakash, S, G. Gowrishankar, and S. Arun. "Electromagnetic Engine Controlled using IR Sensor." Journal of Electronics,Computer Networking and Applied Mathematics, no. 23 (April 20, 2022): 1–4. http://dx.doi.org/10.55529/jecnam.23.1.4.

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The base idea of this paper is to control the electromagnetic engine to enhance a smooth rotation by measuring distance of the piston using an IR sensor. This electromagnetic engine consists of an electromagnet, permanent magnet, Infrared Sensor, powerful microcontroller and power supply. The permanent magnet acts as a piston in this electromagnetic engine, it has magnetic field energy for a proper function. The position of permanent magnet has to be noted for electromagnets energisation in order to reduce power consumption by electromagnet. The infrared sensor mounted with electromagnet set a

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3

R, Bharathi, Om Prakash, S, G. Gowrishankar, and S. Arun. "Electromagnetic Engine Controlled using IR Sensor." Journal of Electronics,Computer Networking and Applied Mathematics, no. 23 (April 20, 2022): 1–4. http://dx.doi.org/10.55529/jecnam.23.1.4.

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The base idea of this paper is to control the electromagnetic engine to enhance a smooth rotation by measuring distance of the piston using an IR sensor. This electromagnetic engine consists of an electromagnet, permanent magnet, Infrared Sensor, powerful microcontroller and power supply. The permanent magnet acts as a piston in this electromagnetic engine, it has magnetic field energy for a proper function. The position of permanent magnet has to be noted for electromagnets energisation in order to reduce power consumption by electromagnet. The infrared sensor mounted with electromagnet set a

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4

Chen, Zhijun, Jisheng Pan, Qiusheng Yan, Zhanliang Huang, Fenglin Zhang, and Shumei Chen. "Study on the rheological and polishing properties of electromagnetic two-phase composite particles with abrasive characteristics." Smart Materials and Structures 31, no. 4 (2022): 045012. http://dx.doi.org/10.1088/1361-665x/ac5478.

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Abstract Electromagnetic composite rheological polishing (EMRP) is a new ultra-precision machining technology that combines electro-rheological polishing (ERP) and magneto-rheological polishing (MRP). The key technology of the polishing method is the preparation of electromagnetic composite rheological fluid (EMRF) with both ERP and MRP, especially the preparation of composite particles with electro- and magneto-rheological effects. In this study, the EMRF was prepared by using electromagnetic two-phase particles with abrasive characteristics. The electromagnetic two-phase composite particles

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5

Pan, Yanfei, Mayin Dai, Hongwei Zhao, Nianguang Hu, Qiang Guo, and Jintian Huang. "Wood-Based Composites with High Electromagnetic Interference Shielding Effectiveness and Ultra-Low Reflection." Coatings 12, no. 8 (2022): 1117. http://dx.doi.org/10.3390/coatings12081117.

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With the aggravation of electromagnetic radiation pollution, it is urgent to develop green, lightweight, ultra-thin and high-performance electromagnetic interference shielding materials to eliminate unnecessary electromagnetic interference; however, the construction of wood-based high-performance electromagnetic shielding materials by simple methods remains a challenge. Based on the layer-by-layer assembly strategy, a lightweight Ni/Wood/Ni composite (NWNC) with an interlayer structure was constructed by a simple electroless plating method using natural wood as a substrate for electromagnetic

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Lu, Jiazhong, Weina Niu, Xiaolei Liu, Teng Hu, and Xiaosong Zhang. "A Lockable Abnormal Electromagnetic Signal Joint Detection Algorithm." International Journal of Pattern Recognition and Artificial Intelligence 33, no. 13 (2019): 1958009. http://dx.doi.org/10.1142/s0218001419580096.

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With the development of computers and network technologies, network security has gradually become a global problem. Network security defenses need to be carried out not only on the Internet, but also on other communication media, such as electromagnetic signals. Existing electromagnetic signal communication is easily intercepted or infiltrated. In order to effectively detect the abnormal electromagnetic signal to find out the specific location, then classify it, it is necessary to study the way of communication. The existing electromagnetic signal detection accuracy is low and cannot be locate

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7

KOCHETOV, Gennadii, Valentyn GLYVA, Volodymyr MALYSHEV, Volodymyr GOTS, Dmytro SAMCHENKO, and Oles LASTIVKA. "Application of Innovative Electromagnetic Screens for Reconstruction and Restoration of Buildings." International Journal of Conservation Science 15, SI (2024): 63–72. http://dx.doi.org/10.36868/ijcs.2024.si.06.

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Protective properties of composite electromagnetic screens on the base of conventional commercial paints were studied. The shielding fillers included metal-containing products from industrial wastewater treatment. Such compositions with a thickness of 100 to 150μm, were found to allow reaching high-frequency electromagnetic radiation shielding coefficients up to 3.0-3.5. Reflection coefficients of electromagnetic waves reach up to 0.3, which meets contemporary technical requirements.

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القباني, Sara Nabeel. "دراسة تأثير الإشعاع الكهرومغناطيسي على المباني الصحية المستدامة". Journal of engineering sciences and information technology 7, № 1 (2023): 69–79. http://dx.doi.org/10.26389/ajsrp.q191222.

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In this study, the electromagnetic waves were defined with an explanation of their physical properties and negative biological effects on humans, where the importance of research appears in defining the concept of sustainability, leading to the construction of guiding standards that help designers to reach for sustainable architecture for healthy buildings. Accordingly, the research hypothesizes that sustainable buildings are high-efficiency buildings that reduce negative impacts on the environment and human health, and are designed to be economical in resource consumption. In this study, the

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9

Guo, He, Liang Liu, Xiangbin Zhu, Siqin Chang, and Zhaoping Xu. "Design of an Electromagnetic Variable Valve Train with a Magnetorheological Buffer." Energies 12, no. 20 (2019): 3999. http://dx.doi.org/10.3390/en12203999.

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In this paper, an electromagnetic variable valve train with a magnetorheological buffer (EMVT with MR buffer) is proposed. This system is mainly composed of an electromagnetic linear actuator (EMLA) and a magnetorheological buffer (MR buffer). The valves of an internal combustion engine are driven by the EMLA directly to open and close, which can adjust the valve lift and phase angle of the engine. At the same time, MR buffer can reduce the seat velocity of the valve and realize the seat buffer of the electromagnetic variable valve. In this paper, the overall design scheme of the system is pro

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10

Zhou, Wei, Jun Zhang, Si Qi Wang, Kai Zhu, and Zi Li Xu. "Electromagnetic Induction Angle Sensor Error Correction Method." Applied Mechanics and Materials 239-240 (December 2012): 301–4. http://dx.doi.org/10.4028/www.scientific.net/amm.239-240.301.

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Electromagnetic induction angle displacement sensor processing error seriously affected the measurement accuracy, the system using multi-position probes method to eliminate harmonic errors. According to the electromagnetic induction angle sensor error characteristics, the 32 antipodal sensors are analyzed theoretically, 64 multiple harmonics are isolated，and the influence of periodicity multiple harmonic error have been removed by multi-position probes method. The error correction method eliminated systematic error of manufacturing processes. The electromagnetic induction angle sensor precisio

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11

Lu, Zhan Xiong. "Study on Electromagnetic Vibration Pump." Advanced Materials Research 774-776 (September 2013): 312–15. http://dx.doi.org/10.4028/www.scientific.net/amr.774-776.312.

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Electromagnetic vibration pump is one type of first proposed new household positive displacement pump.It is mainly used to transport water and other low viscosity liquid. It has many advantages including small flow, high head, simple structure,good self-priming performance. Electromagnetic driving method was combined with displacement pump in vibration pump for the first time. Its specific speed can reach below 10,and this is a breakthrough in super-low specific speed pump design. The working principle of electromagnetic vibration pump and its performance were studied in the paper. each of the

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12

Miszkiewicz, Andrzej, and Krzysztof Tchórzewski. "Levels of Electromagnetic Fields From Rail Vehicles in the Context of Formal Requirements." Problemy Kolejnictwa - Railway Reports 64, no. 187 (2020): 109–16. http://dx.doi.org/10.36137/1875e.

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The article discusses the issue of electromagnetic field levels emitted from rail vehicles with regard to civil protection. The article presents the lack of legal solutions, limits and research methods in the railway industry in Poland. It also depicts the initial results of measurements from rail vehicles. Based on the findings, taking into consideration the measurement results and suppression of electromagnetic waves in free space, electromagnetic fields may reach substantial levels which can affect people’s health and life. The authors of the article conclude that the problem should not be

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13

Dovzhenko, D. S., S. V. Ryabchuk, Yu P. Rakovich, and I. R. Nabiev. "Light–matter interaction in the strong coupling regime: configurations, conditions, and applications." Nanoscale 10, no. 8 (2018): 3589–605. http://dx.doi.org/10.1039/c7nr06917k.

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Harris, Daniel R. "SAFE REMOTE DRUG DELIVERY USING ELECTROMAGNETIC LAUNCHERS: A FEASIBILITY STUDY." Critique Open Research & Review 03, no. 02 (2025): 7–12. https://doi.org/10.55640/corr-v03i02-02.

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This study investigates the feasibility and safety of using a controlled electromagnetic launcher (EML) for remote drug delivery, focusing on its potential to deliver pharmaceutical agents to targeted areas without the need for invasive procedures. The traditional methods of drug administration, such as injections or oral tablets, often present challenges, including the risk of infection, discomfort, and inefficient targeting. A controlled electromagnetic launcher offers a novel, non-invasive alternative for delivering drugs, particularly in hard-to-reach areas. The research involves the desig

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15

Reisz, Aloysius I. "To Go Beyond." Mechanical Engineering 130, no. 11 (2008): 42–45. http://dx.doi.org/10.1115/1.2008-nov-2.

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This article discusses experiments with an advanced electromagnetic engine that aims for high-speed, long-distance transportation to reach farther into space. Experimental work at Marshall Space Flight Center in Alabama is attempting to develop an electromagnetic engine designed to achieve higher velocities than current space-engine options and to last longer, too. Space engines with higher specific impulse will sense new science from deep space exploration quicker. In a way, higher specific impulse quickens our intelligence acquisition. Reisz Engineers and the University of Michigan are inves

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16

Boikhanov, Z.U., and A.U. Orifjanov. "OPTIMAL MODE OF AN ASYNCHRONOUS MOTOR: THE EFFECT OF NONLINEAR FACTORS." Research and implementation 2, no. 3 (2024): 86–91. https://doi.org/10.5281/zenodo.10744691.

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In this article, electromagnetic indicators, f.i.k., power factor and their product in an induction motor reach a maximum at a certain current value, f.i.k. information about reaching its maximum value is given

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17

Yan, Hongkui, Xin Lin, and Jianyuan Xu. "Research on the Influencing Factors of Motion Characteristics and Buffering of Electromagnetic Repulsion Mechanism of High Voltage Circuit Breakers." Mathematical Problems in Engineering 2022 (June 8, 2022): 1–9. http://dx.doi.org/10.1155/2022/7856299.

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Based on the working principle of high-speed electromagnetic repulsion mechanism, the main factors influencing the motion characteristics of the repulsion mechanism and their variation rules are analyzed and verified through calculation and simulation. Because of its fast moving speed and large kinetic energy of moving parts, it will produce large operating impact and bounce. Buffer performance is of great significance to the safe and reliable operation of high-voltage circuit breakers. Moreover, aiming at the above problems, this article studies the repulsive mechanism and its buffer problem.

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18

Chen, Wei, Bao Xiang Wang, Na Zheng, Ying Chen, and Yong Ping Feng. "Coupled Numerical Simulation Study on Electromagnetic Field, Flow Field and Heat Transfer in ø210mm Round Billet Mold with M-EMS." Advanced Materials Research 651 (January 2013): 722–27. http://dx.doi.org/10.4028/www.scientific.net/amr.651.722.

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aking the ∅210mm round billet M-EMS as study subject, a mathematical model coupling electromagnetic field, flow field and temperature field is established by use of Finite Element Analysis Software ANSYS. The distribution law of magnetic induction and electromagnetic force is investigated in mold; the effects of current intensity and frequency on magnetic induction, electromagnetic force, flow and temperature field is studied. The results show that: the values of magnetic induction and electromagnetic force reach its maximum near the edge of billet and became smaller towards the center; in the

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19

Wang, Wei Dong, Qing Xu, Shuang Xi Zhou, and Wen Wu Deng. "Preparation of Waterborne Graphite Conductive Coating and Study of Its Electromagnetic Shielding Performance." Applied Mechanics and Materials 313-314 (March 2013): 241–44. http://dx.doi.org/10.4028/www.scientific.net/amm.313-314.241.

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A waterborne coating of waterborne acrylic resin based material was developed with different sizes of hybrid homemade graphite as conductive filler. Effects on its electrical conductivity and electromagnetic shielding performance were further analyzed and tested, such as conductive filler, coupling agent and iodine addition. The results showed that coating volume resistivity was about 0.05Ω·cm according to the optimal proportion, and attenuation of electromagnetic wave could reach more than 30dB within the frequency range of 1 MHz~1.5 GHz.

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20

Hu, Ruiyue, Feng Zhang, Shengbo Ye, and Guangyou Fang. "Ultra-Wideband and High-Gain Vivaldi Antenna with Artificial Electromagnetic Materials." Micromachines 14, no. 7 (2023): 1329. http://dx.doi.org/10.3390/mi14071329.

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An ultra-wideband and high-gain Vivaldi antenna with artificial electromagnetic material, suitable for ground-penetrating radar (GPR) systems, is proposed. Directors loaded inside the antenna gradient slot direct electromagnetic waves by inducing current to improve gain. The artificial electromagnetic material, also called metamaterial, is composed of multiple “H”-shaped units arranged in a certain regular pattern, loaded at the antenna aperture. The artificial electromagnetic units affect the antenna radiation waves by changing the refractive index to improve radiation directivity. The four V

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21

Wang, Zhongda, Xiyou Chen, and Xin Jin. "A Wireless Power Transmission System With High Misalignment Tolerance and High Efficiency for Autonomous Underwater Vehicles." Journal of Physics: Conference Series 2245, no. 1 (2022): 012007. http://dx.doi.org/10.1088/1742-6596/2245/1/012007.

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Abstract Based on the principle of magnetic coupling resonance, a wireless power transmission system with electromagnetic coupling mechanism based on E-type magnetic core is designed for autonomous underwater vehicle (AUV). Firstly, according to the special circular structure of AUV and the effect of seawater mobility, an electromagnetic coupling structure that can be used in AUV is proposed. The performance of the electromagnetic coupling mechanism is tested by simulation and experiment. The coupling coefficient of the coupling mechanism can reach 0.64, and it has good magnetic field confinem

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22

Boiprav, O. V., E. S. Belousova, and V. S. Mokerov. "Electromagnetic radiation reflection, transmission and absorption characteristics of charcoal-containing materials impregnated with chlorides aqueous solutions." Proceedings of the National Academy of Sciences of Belarus. Physical-technical series 69, no. 3 (2024): 215–24. http://dx.doi.org/10.29235/1561-8358-2024-69-3-215-224.

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The experimentally established regularities of changes in electromagnetic radiation reflection, transmission and absorption characteristics in the frequency range of 2.0–17.0 GHz of materials are presented. These materials contained powdered activated birch charcoal impregnated with chlorides aqueous solutions (calcium chloride, magnesium chloride and sodium chloride). Using the established regularities, it was determined that materials based on powdered activated birch charcoal impregnated with calcium chloride aqueous solution are radioabsorbing if they interact with electromagnetic radiatio

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23

Khitam, Y. Elwasife, and R. Almassri Mustafa. "Numerical Study The Dielectric Properties And Specific Absorption Rate Of Nerve Human Tissue At Different Frequencies." Boson Journal of Modern Physics 4, no. 1 (2017): 269–78. https://doi.org/10.5281/zenodo.3969376.

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The study of electromagnetic radiation effects on human body is a very important subject, due to the possible health effects, these electromagnetic waves can cause in life tissue. In this paper, the dielectric properties and specific absorption rat (SAR) distribution in nerve human tissues exposed to electromagnetic radiation with different frequencies is studied . We modeled nerve tissue by layered system. Finite difference time domain (FDTD) computations were used to evaluator the electric, magnetic field, and specific absorption rate. Results show the dielectric properties as conductivity,

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24

Chen, Guo Jun, and Jiang Min Xu. "Application of Electromagnetic Shielding Technology in the Electronic System." Advanced Materials Research 846-847 (November 2013): 791–94. http://dx.doi.org/10.4028/www.scientific.net/amr.846-847.791.

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With the wide application of electronic technology, electromagnetic interference has become one of the main factors to weaken electronic system performance. In communication technology and equipment, it is the development of light-duty design, low cost, high quality electronic components and electronic system that is the main object of this study. Radio frequency MEMS devices are low energy consumption, good stability. Therefore it has a strong competitiveness in the communications electronics. But EMI electromagnetic interference problem has increasingly become prominent, and based on this, t

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Embi, Abraham A. "THE HUMAN HAIR FOLLICLE PULSATING BIOMAGNETIC FIELD REACH AS POSSIBLE ADDITIONAL FACTOR IN MIGRAINE HEADACHES A BIOPHYSICS BASED HYPOTHESIS." International Journal of Research -GRANTHAALAYAH 8, no. 5 (2020): 221–29. http://dx.doi.org/10.29121/granthaalayah.v8.i5.2020.179.

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This manuscript introduces a hypothesis linking the intrinsic pulsating nature of the biomagnetic fields reach found in the human hair follicle as factor in the etiology of migraine headaches. In the last two decades, researchers have emphasized the efficiency of external pulsed electromagnetic fields in the treatment of migraine headaches. Clinical trials have also demonstrated that external pulsed electromagnetic fields may prevent or decrease the migraine attacks. A hypothesis is presented linking the inherent hair follicle pulsed bioelectomagnetism as a factor in the etiology of migr

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Abraham, A. Embi. "THE HUMAN HAIR FOLLICLE PULSATING BIOMAGNETIC FIELD REACH AS POSSIBLE ADDITIONAL FACTOR IN MIGRAINE HEADACHES A BIOPHYSICS BASED HYPOTHESIS." International Journal of Research -GRANTHAALAYAH 8, no. 5 (2020): 221–29. https://doi.org/10.29121/granthaalayah.v8.i5.2020.179.

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This manuscript introduces a hypothesis linking the intrinsic pulsating nature of the biomagnetic fields reach found in the human hair follicle as factor in the etiology of migraine headaches. In the last two decades, researchers have emphasized the efficiency of external pulsed electromagnetic fields in the treatment of migraine headaches. Clinical trials have also demonstrated that external pulsed electromagnetic fields may prevent or decrease the migraine attacks. A hypothesis is presented linking the inherent hair follicle pulsed bioelectomagnetism as a factor in the etiology of migraines.

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27

Chang, Ho, Yun Min Yeh, Ching Song Jwo, and Sih Li Chen. "Measurement of Electromagnetic Shielding Effectiveness of the Composite Carbon Fibers/Nickel Thin Film." Key Engineering Materials 437 (May 2010): 580–83. http://dx.doi.org/10.4028/www.scientific.net/kem.437.580.

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This paper presents the development of a conductive composite film and the measurement of electromagnetic (EM) shielding effectiveness (SE) of the prepared film. A coaxial transmission-line technique based on ASTM D4935-99 Standard was used to measure the electromagnetic shielding effectiveness. A nickel nanofluid with an average particle size of 50 nm was prepared with a self-developed nanofluid synthesis system. By using a polymer blending method, carbon fiber and carbon fiber/nickel nanoparticles were blended with waterborne polyurethane (WPU) to prepare conductive composite films of 0.25 m

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28

Wang, Nan, Yuxiang Xia, Yanchuan Wu, and Zunning Zhou. "Electromagnetic performance analysis of NiFe₂O₄ hollow particles." Journal of Physics: Conference Series 2954, no. 1 (2025): 012013. https://doi.org/10.1088/1742-6596/2954/1/012013.

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Abstract In the field of photoelectric passive interference, spinel ferrite has a significant attenuation ability of electromagnetic waves in the 2-18 GHz cm band. However, in practical applications, it is difficult for ferrite to form large-scale electromagnetic wave attenuation aerosols in the air due to its heavy ratio. In this paper, the magnetic NiFe2O4 hollow particles were obtained by preparing them using the hydrothermal method assisted by glucose, which showed excellent electromagnetic loss performance. The changes in particle retention (volume growth value) and electromagnetic wave a

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Yu, Zhicai, Ye Chen, and Hualing He. "Preparation and investigation of moisture transfer and electromagnetic shielding properties of double-layer electromagnetic shielding fabrics." Journal of Industrial Textiles 49, no. 10 (2018): 1357–73. http://dx.doi.org/10.1177/1528083718813528.

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In this study, a type of double-layer electromagnetic shielding fabric that combined reflection and absorption layers was successfully fabricated. Polypyrrole-coated cotton fabric was prepared by in situ polymerization and used as electromagnetic wave absorbed layer. A type of metal composite yarn containing stainless steel wire was woven into warp-knitted fabric as the reflection layer of double-layer electromagnetic shielding fabric. The electromagnetic shielding and conductive properties of double-layer electromagnetic shielding fabric were investigated in this work. Result showed that the

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Suarez, Alejandro, Rafael Salmoral, Pedro J. Zarco-Periñan, and Anibal Ollero. "Experimental Evaluation of Aerial Manipulation Robot in Contact With 15 kV Power Line: Shielded and Long Reach Configurations." IEEE Access 9 (July 1, 2021): 94573–85. https://doi.org/10.1109/ACCESS.2021.3093856.

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The use of aerial manipulators for the inspection and maintenance of the power grid requires the safe interaction of the robot with high voltage power lines. In order to identify possible faults or malfunctions during the approaching or interaction phases, this paper presents experimental results in a real 15 kV power line, considering four different configurations for the manipulator: 1) aluminum tube attached to the landing gear, 2) robotic arm attached to the multi-rotor base, 3) shielded aerial manipulator, and 4) long reach configuration (insulated). The paper investigates the electromagn

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31

Liu, Zheng, and Xiao Mei Liu. "New Technology with Efficient and Energy-Saving to Prepare Semisolid Alloy Slurry." Advanced Materials Research 239-242 (May 2011): 1248–52. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.1248.

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Semisolid alloy slurry was prepared by an efficient and energy-saving technology which consists of low superheat pouring and slightly electromagnetic stirring (LSPSES). The effects of the main preparing parameters on the slurry were researched. The results indicate that the slurry to satisfy rhoe-forming needed can be prepared by LSPSES. The pouring temperature and the stirring power remarkablely affect the morphology and size of primary α-Al in semisolid Al alloy slurry. Through the suitable slightly electromagnetic stirring, the pouring temperature can be suitably raised to reach the efficie

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Yatchev, Ivan, Krastio Hinov, Iosko Balabozov, and Kristina Krasteva. "Static force characteristics of electromagnetic actuators for Braille screen." Facta universitatis - series: Electronics and Energetics 24, no. 2 (2011): 157–67. http://dx.doi.org/10.2298/fuee1102157y.

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Several constructions of electromagnetic actuators with moving permanent magnet for Braille screen are studied. All they are formed from a basic one that consists of two coils, core and moving permanent magnet. The finite element method is used for modeling of the magnetic field and for obtaining the electromagnetic force acting on the mover. The static force-stroke characteristics are obtained for four different constructions of the actuator. The constructions with ferromagnetic disc between the coils ensure greater force than the ones without disc and can reach the required minimum force.

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Feng, Ding, Bian You Tan, Yong Xin Yuan, Li Wu, and Hong Zhang. "The Structure Design of Electromagnetic Clutch in the Adverse Circumstances." Applied Mechanics and Materials 52-54 (March 2011): 686–91. http://dx.doi.org/10.4028/www.scientific.net/amm.52-54.686.

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The trajectory control tool of high build-up rate well-bore, is such a kind of down hole tool that is used to control the well-bore trajectory of the extended reach well. Due to the complex working environment, so it is necessary to design a special electromagnetic clutch. Firstly we should analysis the hostile working environment of the special electromagnetic clutch. The slipping toothed electromagnetic clutch is selected and structural design is going on to adapt the hostile working environment. In order to meet requirements of meshing when the axis is turning, armature ring gear has been d

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Souza, Cynelle Olívia de. "Complements to Gravity Theories." International Journal of Innovative Science and Research Technology 5, no. 7 (2020): 673–78. http://dx.doi.org/10.38124/ijisrt20jul535.

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Gravity, electricity, magnetism and strong and weak nuclear forces form the fundamental energies and force fields for the organization of matter in the universe. All visible matter emits electromagnetic waves at specific frequencies; dark matter does not emit them. It is assumed, or else, that it can be formed by particles like the neutrino, which subtly interact with electromagnetic waves and with matter. Under the action of strong energy, the neutrino can theoretically reach speeds greater than that of light. Such an effect can occur when this particle becomes detached from electromagnetic i

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Song, Sixuan, Ming Deng, Kai Chen, Muer A, and Sheng Jin. "A new borehole electromagnetic receiver developed for controlled-source electromagnetic methods." Geoscientific Instrumentation, Methods and Data Systems 10, no. 1 (2021): 55–64. http://dx.doi.org/10.5194/gi-10-55-2021.

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Abstract. Conventional surface electromagnetic methods have limitations of a shallow detection depth and low resolution. To increase the detection depth and resolution, borehole–surface electromagnetic methods for electromagnetic three-dimensional observations of the ground, tunnels, and boreholes have been developed. Current borehole receivers only measure a single parameter of the magnetic field component, which does not meet the special requirements of controlled-source electromagnetic (CSEM) methods. This study proposes a borehole electromagnetic receiver that realizes synchronous acquisit

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Jankauskienė, J., A. Paunksnis, A. Blužienė, and J. Saulgozis. "The Effect of Pulsed Electromagnetic Field on Patients with Endocrine Ophthalmopathy." European Journal of Ophthalmology 8, no. 4 (1998): 253–57. http://dx.doi.org/10.1177/112067219800800409.

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Purpose To evaluate eye signs, proptosis and ocular movements in patients with endocrine ophthalmopathy under the influence of pulsed electromagnetic field therapy. Methods We examined 14 patients (9 women, 5 men) with endocrine ophthalmopathy and evaluated eye signs, proptosis and ocular movements before and after the course of pulsed electromagnetic field therapy, and 12 controls. Their age ranged from 29 to 57 years. Visual sensitivity was investigated with a static automatic perimeter (Allergan Humphrey Field Analyzer). The score was calculated by rating the severity of involvement of soft

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Boikhanov, Z.U., and A.U. Orifjanov. "ENERGY INDICATORS OF INDUCTION MOTORS." Research and implementation 2, no. 3 (2024): 65–67. https://doi.org/10.5281/zenodo.10744154.

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In this article, electromagnetic pointers in an asynchronous Motor, f.i.k, where the power factor and their product reach the maximum at a given value of the current, variable loss and excitation loss are equal f.i.k. information is provided that it achieves its greatest value

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Amoskov, Victor, Daria Arslanova, Gennady Baranov, et al. "Modelling EMS Maglev systems to develop control algorithms." Cybernetics and Physics, Volume 7, 2018, Number 1 (June 18, 2018): 11–17. http://dx.doi.org/10.35470/2226-4116-2018-7-1-11-17.

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Electromagnetic suspension (EMS) system for magnetically levitated vehicles can utilize different types of magnets, such as room temperature electromagnets, superconducting magnets as well as permanent magnets. In the course of the study the trichotomy has been applied to the electromagnetic suspension system. The EMS configuration considered in this paper has been treated as a combination of these three types of magnets modelled individually. Results of computations were compared to measurements on a working prototype that provided stable levitation of a platform weighing above 190 kg. A good

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Zhu, Muzhi, Jintao Liang, and Shengdun Zhao. "Designing of an electromagnetic driver for the reversing valve of CNC die forging hammer." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 232, no. 2 (2016): 358–68. http://dx.doi.org/10.1177/0954406216679437.

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This paper is aimed at the solution of the driving actuator of the reversing valve, which is the core component of CNC die forging hammer. The proposed electromagnetic drive method contributes to a precise control of the valve spool position and eliminates the transmission mechanism and hydraulic circuits. The complete structure and the topology structure of the electromagnetic part are designed to guarantee its high controllability and robustness. The structure parameters of the electromagnetic part are calculated based on the driving requirement of the reversing valve. With the finite elemen

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Haibing, Wen, Song Baowei, Zhang Kehan, and Yan Zhengchao. "A novel electromagnetic actuator in an inductive power transmission system for autonomous underwater vehicle." Advances in Mechanical Engineering 10, no. 9 (2018): 168781401879742. http://dx.doi.org/10.1177/1687814018797421.

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Autonomous underwater vehicle is a class of intelligent robots, which has been widely used in ocean observatory. Inductive power transmission is a good way to supply power and extend the working endurance of autonomous underwater vehicle. The power transfer characteristic depends on the electromagnetic actuator. A novel electromagnetic actuator has been proposed for different traditional autonomous underwater vehicle docking applications in this study. At first, the structure of electromagnetic actuator and assembled configurations for autonomous underwater vehicle submerged docks was given. T

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Zhang, Zuoqun, Chaoshan Yang, Hua Cheng, Xiaohan Huang, and Yuhao Zhu. "The Electromagnetic Wave Absorption Performance and Mechanical Properties of Cement-Based Composite Material Mixed with Functional Aggregates with High Fe2O3 and SiC." Revue des composites et des matériaux avancés 31, no. 4 (2021): 249–55. http://dx.doi.org/10.18280/rcma.310409.

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Now there’re many researches on the electromagnetic radiation protection function of the cement-based electromagnetic wave absorbing materials, such materials have been widely used in various types of buildings. This paper proposed an idea for preparing a cement-based composite material by mixing functional aggregates with high content of Fe2O3 and SiC, that is, adding Fe3O4 powder and nano-SiC of different contents in the clay, and then sintering at 1190℃; the prepared aggregates showed obvious magnetic loss and dielectric loss to electromagnetic waves, and the numerical tube pressure could r

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Li, Dian-sen, Shi-jun Wang, Yue Zhou, and Lei Jiang. "Lightweight and hydrophobic Ni/GO/PVA composite aerogels for ultrahigh performance electromagnetic interference shielding." Nanotechnology Reviews 11, no. 1 (2022): 1722–32. http://dx.doi.org/10.1515/ntrev-2022-0088.

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Abstract Lightweight and high-performance electromagnetic interference (EMI) shielding materials are urgently required to solve increasingly serious radiation pollution. However, traditional lightweight EMI shielding materials usually show low EMI shielding performance, poor mechanical properties, and environmental stability, which greatly limit their practical applications. Herein Ni foam/graphene oxide/polyvinyl alcohol (Ni/GO/PVA) composite aerogels were successfully prepared by a freeze-drying method. The Ni/GO/PVA composite aerogels possessed low density (189 mg cm−3) and high compression

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Zhang, Yue Fang, Wan Jun Hao, Bao Yi Li, Yu Ping Duan, and Shun Hua Liu. "Electromagnetic Wave Absorbing Properties of Glass Fiber Reinforced Cement Composites with Special-Shaped Structure Surfaces." Applied Mechanics and Materials 401-403 (September 2013): 614–18. http://dx.doi.org/10.4028/www.scientific.net/amm.401-403.614.

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In order to reach high electromagnetic wave absorption property, here we developed a cement composites building materials. Special-shaped structure surfaces have been designed to make the continuity change of impedance and increase the incident times for electromagnetic wave. Different ratio of flexible glass fiber were introduced to adjust the impedance matching characteristics of the composites and to attenuate the incident wave by scattering. As the concentration of 9% glass fiber and the surface of rectangle, the reflectivity reached the highest in the absorber with 20mm thickness. the low

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Tang, Guo Xing, Wei Min Mao, and Yong Feng Liu. "Preparation of Semisolid A356 Al Alloy Slurry by Low Superheat Pouring and Weak Traveling-Wave Electromagnetic Stirring." Advanced Materials Research 311-313 (August 2011): 707–11. http://dx.doi.org/10.4028/www.scientific.net/amr.311-313.707.

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The semisolid slurry of A356 Al alloy was preparation by low superheat pouring and weak traveling-wave electromagnetic stirring. The effects of pouring temperature and stirring power on the semisolid slurry were researched. The results show that the shape of primary α-Al experiences a transition from rosette-like grains to spherical grains with the pouring temperature lowing gradually, and the smaller grains with a spherical appearance distribute in the microstructure homogeneously. The appropriately raising the electromagnetic stirring power is good for the formation of the semisolid A356 Al

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Grelier, M., A. C. Lepage, X. Begaud, M. Jousset, and S. Mallégol. "Design methodology to enhance high impedance surfaces performances." Advanced Electromagnetics 3, no. 1 (2014): 8. http://dx.doi.org/10.7716/aem.v3i1.239.

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A methodology is introduced for designing wideband, compact and ultra-thin high impedance surfaces (HIS). A parametric study is carried out to examine the effect of the periodicity on the electromagnetic properties of an HIS. This approach allows designers to reach the best trade-off for HIS performances.

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Saynisch, Jan, Christopher Irrgang, and Maik Thomas. "Estimating ocean tide model uncertainties for electromagnetic inversion studies." Annales Geophysicae 36, no. 4 (2018): 1009–14. http://dx.doi.org/10.5194/angeo-36-1009-2018.

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Abstract. Over a decade ago the semidiurnal lunar M2 ocean tide was identified in CHAMP satellite magnetometer data. Since then and especially since the launch of the satellite mission Swarm, electromagnetic tidal observations from satellites are increasingly used to infer electric properties of the upper mantle. In most of these inversions, ocean tidal models are used to generate oceanic tidal electromagnetic signals via electromagnetic induction. The modeled signals are subsequently compared to the satellite observations. During the inversion, since the tidal models are considered error free

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Guo, Xin, Li Liu, Naixiu Ding, and Guangye Liu. "Transformation from Electromagnetic Inflection to Absorption of Silicone Rubber and Accordion-Shaped Ti3C2MXene Composites by Highly Electric Conductive Multi-Walled Carbon Nanotubes." Polymers 15, no. 10 (2023): 2332. http://dx.doi.org/10.3390/polym15102332.

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Electromagnetic (EM) pollution becomes more penetrating in daily life and work due to more convenience provided by multi-electrical devices, as does secondary pollution caused by electromagnetic reflection. EM wave absorption material with less reflection is a good solution to absorb unavoidable EM radiation or reduce it from the source. Filled with two-dimensional Ti3SiC2MXenes, silicone rubber (SR)composite demonstrated a good electromagnetic shielding effectiveness of 20 dB in the X band by melt-mixing processes for good conductivity of more than 10−3 S/cm and displayed dielectric propertie

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Kubiak, Ireneusz. "Impact of IT Devices Production Quality on the Level of Protection of Processed Information against the Electromagnetic Infiltration Process." Electronics 8, no. 9 (2019): 1054. http://dx.doi.org/10.3390/electronics8091054.

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Due to the variety and multiplicity of electronic devices, the issue of electromagnetic environment protection is becoming more and more important. We often hear about how necessary it is for electronic devices to meet appropriate requirements. Meeting these requirements determines whether a device can be marketed. Unfortunately, the electrical parameters of electronic components have a very wide range of tolerances. For this reason, measured values of electromagnetic disturbances generated by devices of the same type are not always identical. Differences between those values may reach up to s

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Zhang, Jianwei, and Zhuojing Yang. "Electromagnetic Field Analysis and Shielding Method of Underground Variable Frequency Power Cable." Advances in Civil Engineering 2022 (January 5, 2022): 1–13. http://dx.doi.org/10.1155/2022/3271806.

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The transmission and radiation of underground variable frequency electromagnetic waves will seriously interfere with the operation of the power cable and its surrounding environment. At present, the test methods for power cables basically require the impedance of the test system to match the characteristic impedance of the cable. The defect is that the process of designing and making the impedance matching impedance network is relatively complex and requires high manufacturing accuracy. In order to solve these problems, this paper puts forward the electromagnetic field fast detection formula a

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Ge, Liang, Junxian Chen, Guiyun Tian, Wen Zeng, Qi Huang, and Ze Hu. "Study on a New Electromagnetic Flow Measurement Technology Based on Differential Correlation Detection." Sensors 20, no. 9 (2020): 2489. http://dx.doi.org/10.3390/s20092489.

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Under the conditions of low flow rate and strong noise, the current electromagnetic flowmeter (EMF) cannot satisfy the requirement for measurement or separate the actual flow signal and interference signal accurately. Correlation detection technology can reduce the bandwidth and suppress noise effectively using the periodic transmission of signal and noise randomness. As for the problem that the current anti-interference technology cannot suppress noise effectively, the noise and interference of the electromagnetic flowmeter were analyzed in this paper, and a design of the electromagnetic flow

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