The radiation from ultrafast point dipoles, moving uniformly near chiral media by V. N. Kadantsev

“…In this paper, some types of circularly polarized EM waves propagating in optically active (magnetoactive, naturally active, gyrotropic, and chiral) media are considered. …”
Get full text

Cross-sectional imaging of speed-of-sound distribution using photoacoustic reversal beacons by Yang Wang, Danni Wang, Liting Zhong, Yi Zhou, Qing Wang, Wufan Chen, Li Qi

“…We excite and scan a number of PRBs positioned at the periphery of the target, and the generated photoacoustic waves propagate through the target from various directions, thereby achieve spatial sampling of the internal SOS. …”
Get full text

Thermal and acoustic analogy for the study of thermal acoustic physical properties of solid materials by V. M. Fokin, A. V. Kovylin

“…Temperature and sound vibrations (waves) propagate in a solid body according to the cosine law and are easily reproduced in laboratory conditions, which made it possible to conduct an experimental study by measuring the temperature and density of a heat flux on the surface of a specimen.Results. …”
Get full text

Extreme Heating of Minor Ions in Imbalanced Solar-wind Turbulence by Michael F. Zhang, Matthew W. Kunz, Jonathan Squire, Kristopher G. Klein

“…Additional features include a steep transition-range electromagnetic spectrum, proton-cyclotron waves propagating in the direction of the imbalance, significantly enhanced proton-to-electron heating ratios, ion temperatures that are considerably more perpendicular with respect to magnetic field, and extreme heating of heavier species in a manner consistent with mass scalings inferred from spacecraft measurements. …”
Get full text

Curvature Determination Method for Diverging Acoustic Lens of Underwater Acoustic Transducer by Minze Li, Mingzhen Xin, Fanlin Yang, Yu Luo, Jinpeng Liu, Niuniu Wu

“…Taking advantage of the refractive characteristics of sound waves propagating in different media, the directivity indicators can be controlled by installing an acoustic lens outside the underwater acoustic transducer. …”
Get full text

Wind Field Retrieval From Co-Polarized SAR Imagery Without External Wind Direction Assistance by Xianen Wei, Jinsong Chong, Yawei Zhao, Lijie Diao, Xuan Jin

“…This study takes advantage of the fact wind direction is similar to wind waves propagation direction, relying solely on co-polarized SAR images to obtain proper wind direction, thus enabling wind field retrieval without external wind direction assistance. …”
Get full text

Ultrasonic Testing of Railroad Rails: Cold Temperature Effects and Considerations by Aqeel T. Fadhil, Glenn Washer, Anish Poudel, Kalpana Yadav, Survesh Shrestha

“…Velocity measurements of longitudinal waves propagating through the fluid and reflecting from a steel disc target were conducted. …”
Get full text

A New Model for Predicting Flow in Fractured-Vuggy Carbonate Reservoirs under Pseudosteady State Condition by Nai Cao, Gang Lei, Yuan Su, Hong Li, Jiali Zhang, Ci Zhang

“…For constant rate production of a single well in a closed boundary fractured-vuggy carbonate reservoir, when the pressure wave propagates to the reservoir boundaries, boundary-dominated flow occurs, and the transient flow period ends, the reservoir will be in a state of pseudoequilibrium (i.e., pseudosteady state flow occurs, and the pressure at any point in the reservoir declines at the same constant rate over time). …”
Get full text

Prediction model and experimental verification of coal and gas outburst shock wave based on Shock tube theory by Xuelin YANG, Guangcai WEN, Haitao SUN, Fazhi YAN, Huiming YANG, Jie CAO, Xiaoyang CHENG, Jun LU, Huhu LI

“…The outburst shock wave propagates to the end of the roadway and forms a secondary shock wave due to the reflection of obstacles. …”
Get full text

New Torsional Surface Elastic Waves in Cylindrical Metamaterial Waveguides for Sensing Applications by Piotr Kiełczyński, Krzysztof Wieja, Andrzej Balcerzak

“…In fact, the proposed torsional elastic surface waves can be considered as an elastic analog of Surface Plasmon Polariton (SPP) electromagnetic (optical) waves propagating along a metallic rod (cylinder) embedded in a dielectric medium. …”
Get full text