Results 41 to 50 of about 84,280 (228)

A novel imaging technique to evaluate airflow characteristics in the upper airway of an obstructive sleep apnea patient

Clinical Case Reports, 2017
Key Clinical Message We report about a novel imaging technique for airflow analysis, particle image velocimetry (PIV), used in a moderate obstructive sleep apnea (OSA) patient.
Hui Chen, Ghizlane Aarab, Jian‐wei Liu, Yong‐liang Yu, Jing Guo, Paul F. van derStelt, Frank Lobbezoo   +6 more
doaj   +1 more source

SOPHIE velocimetry of Kepler transit candidates. XV. KOI-614b, KOI-206b, and KOI-680b: a massive warm Jupiter orbiting a G0 metallic dwarf and two highly inflated planets with a distant companion around evolved F-type stars

, 2015
We report the validation and characterization of three new transiting exoplanets using SOPHIE radial velocities: KOI-614b, KOI-206b, and KOI-680b. KOI-614b has a mass of $2.86\pm0.35~{\rm M_{Jup}}$ and a radius of $1.13^{+0.26}_{-0.18}~{\rm R_{Jup ...
Almenara, J. M., Barros, S. C. C., Boisse, I., Bonomo, A., Bouchy, F., Bruno, G., Damiani, C., Deleuil, M., Diaz, R. F., Havel, M., Hébrard, G., Montagnier, G., Santerne, A.   +12 more
core   +1 more source

Application of High-Speed Self-Aligned Focusing Schlieren System for Supersonic Flow Velocimetry

Aerospace
A self-aligned focusing schlieren (SAFS) system combines the field of view of a conventional schlieren system with the defocus blur of a focusing schlieren system away from the object plane.
Philip A. Lax, Sergey B. Leonov
doaj   +1 more source

Realization of Multitone Continuous Wave Lidar

IEEE Photonics Journal, 2019
We have developed a multitone modulated continuous wave (MTCW) Lidar system made of a CW laser with multiple fixed RF tones for a high precision range finding and velocimetry.
Rasul Torun, Mustafa M. Bayer, Imam U. Zaman, Jose E. Velazco, Ozdal Boyraz   +4 more
doaj   +1 more source

A Non‐Reciprocal Architected Porous Medium

Advanced Functional Materials, EarlyView.
ABSTRACT In several fluid flow, energy‐dumping, and energy‐harvesting applications, a dominant flow direction or dominant resistance direction is desirable. In this study, we propose a simple modular geometry that doubles flow resistance in one direction relative to the opposite direction, while maintaining laminar viscous flow.
Clément Vezies, Pablo Zavattieri, Nicolás Silin   +2 more
wiley   +1 more source

An experimental study of particle sedimentation using ultrasonic speckle velocimetry [PDF]

, 2010
Ultrasonic speckle velocimetry (USV) is a non-invasive technique that allows the measurement of fluid velocity in flow and also that of powders under sedimentation.
Chinaud, Maxime, Delaunay, Thomas, Tordjeman, Philippe   +2 more
core   +3 more sources

Swelling‐Induced Stress‐Assisted Transfer of Nanodiamond Arrays With a PVA Carrier Tape for Conformal Bio‐Integrated Sensing and Labelling

Advanced Functional Materials, EarlyView.
This work introduces a swelling‐induced, stress‐assisted water‐soluble PVA tape strategy to transfer‐print nanodiamond quantum‐sensor arrays onto soft, curved biological interfaces. The room‐temperature, water‐triggered process achieves >98% fidelity and residue‐free integration, enabling conformal quantum sensing on contact lenses, neural probes, and ...
Luyao Zhang, Lingzhi Wang, Xinhao Hu, Tai Nam Yip, Mingze Sun, Jixiang Jing, Lizhi Xu, Yuan Lin, Yong Hou, Zhiqin Chu   +9 more
wiley   +1 more source

The Flow Characteristics of an Evaporating Ethanol Water Mixture Droplet on a Glass Substrate

Journal of Thermal Science and Technology, 2012
Droplet evaporation has attracted much interest recently, being relevant to a wide range of biological and technological applications. The underlying mechanisms for this phenomenon are still poorly understood.
Yoshinori HAMAMOTO, John R. E. CHRISTY, Khellil SEFIANE   +2 more
doaj   +1 more source

Experimental flows through an array of emerged or slightly submerged square cylinders over a rough bed

Scientific Data, 2021
Measurement(s) velocity • depth of water Technology Type(s) particle-image velocimetry • ultrasonic velocimetry • ultrasonic transit time probe Factor Type(s) square cylinder immersion rate Machine-accessible metadata file describing the reported data ...
Marina Oukacine, Sébastien Proust, Frédérique Larrarte, Nicole Goutal   +3 more
doaj   +1 more source

High-Resolution Projectile Velocity And Acceleration Measurement Using Photonic Doppler Velocimetry [PDF]

, 2009
This paper describes the new photonic Doppler velocimetry (PDV) technique for measuring time-resolved projectile velocity and acceleration profiles for full flight of the launch package in a two-stage light-gas gun (LGG).
Levinson, S., Satapathy, S.
core   +1 more source