Application of seismic refraction tomography for tunnel design in Santa Clara Mountain, San Juan, Argentina Application of seismic refraction tomography for tunnel design in Santa... by Imhof Armando Luis, Sánchez Manuel, Calvo Carlos, Martín Adriana

“…</p><p style="font-family: verdana; font-size: small;">The methodology used with the new seismic waves' source generator, as well as SRT application in this type of geological structure, demonstrated that satisfactory results could be obtained for this kind of geophysical study for geotechnical purposes.…”
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Acoustic energy distribution in space around the pipe outlet by Stefan WEYNA

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Some comments about the existing theory of sound with comparison to the experimental research of vector effects in real-life acoustic near fields by Stefan WEYNA

“…It is also known that typical interference phenomena, such as diffraction and scattering of acoustic waves, appear in an acoustic field of the real sources as a result of mutual reactions of component waves. …”
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A Catalog of Local Universe Fast Radio Bursts from CHIME/FRB and the KKO by The CHIME/FRB Collaboration, Mandana Amiri, Daniel Amouyal, Bridget C. Andersen, Shion Andrew, Kevin Bandura, Mohit Bhardwaj, P. J. Boyle, Charanjot Brar, Alyssa Cassity, Shami Chatterjee, Alice P. Curtin, Matt Dobbs, Fengqiu Adam Dong, Yuxin Dong, Gwendolyn M. Eadie, Tarraneh Eftekhari, Wen-fai Fong, Emmanuel Fonseca, B. M. Gaensler, Mark Halpern, Jason W. T. Hessels, Hans Hopkins, Adaeze L. Ibik, Ronniy C. Joseph, Jane Kaczmarek, Lordrick Kahinga, Victoria Kaspi, Kholoud Khairy, Charles D. Kilpatrick, Adam E. Lanman, Mattias Lazda, Calvin Leung, Robert Main, Lluis Mas-Ribas, Kiyoshi W. Masui, Ryan Mckinven, Juan Mena-Parra, Bradley W. Meyers, Daniele Michilli, Nikola Milutinovic, Kenzie Nimmo, Gavin Noble, Ayush Pandhi, Swarali Shivraj Patil, Aaron B. Pearlman, Emily Petroff, Ziggy Pleunis, J. Xavier Prochaska, Masoud Rafiei-Ravandi, Mubdi Rahman, Andre Renard, Mawson W. Sammons, Ketan R. Sand, Paul Scholz, Vishwangi Shah, Kaitlyn Shin, Seth R. Siegel, Sunil Simha, Kendrick Smith, Ingrid Stairs, Keith Vanderlinde, Haochen Wang, Dallas Wulf, Tarik J. Zegmott

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Folded pseudochiral Fermi surface in 4Hb-TaSe2 from band hybridization with a charge density wave by Matthew D. Watson, Andrea Tonelli, Mugerabe Zerabza, Sam Hayward, Rebecca Wilkinson, Ettore Carpene, Cephise Cacho, Valentina De Renzi, Simon Crampin, Enrico Da Como

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Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne Technique by Shuqing Chen, Zhiqiang Xie, Junmin Liu, Yanliang He, Yao Cai, Xiaoke Zhang, Jiangnan Xiao, Ying Li, Dianyuan Fan

“…By using optical heterodyne technique, we demonstrated the stable emission of sub-terahertz wave with the frequency ranging from 88 GHz to 101 GHz, which can operate as microwave source for nonlinear response measurement system. …”
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Numerical Simulation of the Transition to Detonation in a Hydrogen–Air Mixture Due to Shock Wave Focusing on a 90-Degree Wedge by Jose Bermudez De La Hoz, Wojciech Rudy, Andrzej Teodorczyk

“…This study numerically explores the initiation of detonation through shock wave reflection and focusing on a 90-degree wedge in varying mixtures of hydrogen–air. …”
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Load Observing System Based on Wave Reflection for Soft-Switching Control of MHz-Frequency Resonant Inverter Against Load Fluctuations by Aoi Oyane, Kazuhiro Umetani, Eiji Hiraki

“…The proposed system estimates the load impedance by utilizing a directional coupler that is typically built into an RF power source to observe traveling and reflected waves. Therefore, unlike typical low-frequency power electronics systems, the proposed system does not require output current sensors which are not suitable for MHz-frequencies. …”
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Derivation and Experimental Validation of a Parameterized Nonlinear Froude–Krylov Force Model for Heaving-Point-Absorber Wave Energy Converters by Houssein Yassin, Tania Demonte Gonzalez, Gordon Parker, Giorgio Bacelli, Carlos Michelen

“…Wave energy converters (WECs) have gained significant attention as a promising renewable energy source. …”
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Modeling, Control, and Simulation of Battery Storage Photovoltaic-Wave Energy Hybrid Renewable Power Generation Systems for Island Electrification in Malaysia by Nahidul Hoque Samrat, Norhafizan Bin Ahmad, Imtiaz Ahmed Choudhury, Zahari Bin Taha

“…This paper proposes a standalone hybrid photovoltaic- (PV-) wave energy conversion system with energy storage. …”
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Synchronization of pulsed and continuous-wave IMPATT oscillators in the millimeter wavelength range. Part 2. Stabilizing microwave parameters of synchronized generators by Mykola Karushkin

“…The paper also presents the designs and parameters of coherent microwave power sources in the short-wave part of the millimeter wavelength range using the nonlinear properties of the IMPATT diodes in the radio-pulse conversion mode. …”
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Assessment of dentists’ knowledge and awareness of oral manifestations of COVID-19 and the impact of pandemic waves on dental practice in India - an embedded study by Swati Bhatnagar, Shushma Rao B., Rahul Srivastava, Niharicka Gopalakrishnan, Ramya Shenoy, Roma Mascarenhas

“…In phase II, four themes were formed from interviews: Source of 1st information, Outlook towards COVID-19, Impact and Self-retrospection. …”
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Continuum Enhancement and Line Asymmetries of Solar Flares in Different Heating Models: Alfvén Waves, Nonthermal Electron Beams, and Their Joint Effect by Jun Tian, Ying Li, Jie Hong, M. D. Ding

“…Nonthermal electron beams are usually considered as an essential heating source, yet Alfvén waves have also been proposed as a promising heating mechanism. …”
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Preliminary Numerical Simulation of Acoustic Reflection Imaging Logging While Drilling Based on the Vertical Incidence of Acoustic Waves on the Borehole Wall by LIU Xien, ZHAO Teng, CHE Xiaohua

“…The simulation results show that the acoustic source in the well generates P-waves and S-waves in the formation near the well, where P-waves mainly propagate in the direction perpendicular to the well axis, and S-waves mainly propagate along the upper and lower lateral directions of the well. …”
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Numerical investigation of dual‐source gas explosion dynamics in h‐type tunnels under varied enclosed situations by Weijian Wang, Qing Ye, Zhenzhen Jia

“…Abstract To further investigate the propagation characteristics of shock waves and flame waves in H‐type tunnel gas explosions, numerical simulation studies were conducted on a dual‐source gas explosion model using Fluent software. …”
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Charged fermions and vector bosons in magnetic fields within a spacetime generated by a spinning point source by Semra Gurtas Dogan, Omar Mustafa, Abdullah Guvendi

“…We investigate the relativistic dynamics of charged fermions and vector bosons in magnetic fields within a 2+1-dimensional spacetime background generated by a spinning point source. We derive the equations for the charged Dirac oscillator (DO) and charged vector bosons, aiming to find analytical solutions to the resulting wave equations. …”
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A Hall current impact and variable thermal conductivity of hydrodynamic nanostructure semiconductors subjected to decaying heat source by Hashim M. Alshehri

“…This study investigates the effects of Hall currents, nonlocality, and variable thermal conductivity on wave propagation within a nanostructured hydrodynamic semiconductor medium. …”
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Comparing Three Approaches to the Inducing Source Setting for the Ground Electromagnetic Field Modeling due to Space Weather Events by Elena Marshalko, Mikhail Kruglyakov, Alexey Kuvshinov, Liisa Juusola, Norah Kaggwa Kwagala, Elena Sokolova, Vyacheslav Pilipenko

“…The third model is based on a “plane wave” approximation which assumes that the source is locally laterally uniform. …”
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Quantifying the Size and Duration of a Microburst‐Producing Chorus Region on 5 December 2017 by S. S. Elliott, A. W. Breneman, C. Colpitts, J. M. Pettit, C. A. Cattell, A. J. Halford, M. Shumko, J. Sample, A. T. Johnson, Y. Miyoshi, Y. Kasahara, C. M. Cully, S. Nakamura, T. Mitani, T. Hori, I. Shinohara, K. Shiokawa, S. Matsuda, M. Connors, M. Ozaki, J. Manninen

“…We combine datasets that measure chorus waves (Van Allen Probes [RBSP], Arase, ground‐based VLF stations) and microburst (>30 keV) precipitation (FIREBIRD II and AC6 CubeSats, POES) to determine the size of the microburst‐producing chorus source region beginning on 5 December 2017. …”
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Tunnel Seismic Detection for Tunnel Boring Machine by Joint Active and Passive Source Method and Imaging Advanced Prediction by Xinglin Lu, Jun Wang, Wei Wang, Xuhua Liu, Chao Yang, Yufeng Liu, Zhihong Fu

“…The proposed method integrates the active source data into the passive source method to extract the P- and S-waves. …”
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