Results 111 to 120 of about 2,549,521 (376)

Numerical Model and Experimental Validation of Composite Metal Foam in Protecting Carbon Steel Against Puncture

open access: yesAdvanced Engineering Materials, EarlyView.
The puncture prevention and energy absorption performance of composite metal foam (CMF) are studied experimentally and numerically for hazardous materials transportation protection. The numerical model implementing air within the CMF (nonhomogeneous model using fluid cavity technique) predicts puncture more accurately compared to the homogeneous CMF ...
Aman Kaushik, Afsaneh Rabiei
wiley   +1 more source

HD 119130 b Is Not an “Ultradense” Sub-Neptune

open access: yesThe Astronomical Journal
We present a revised mass measurement for HD 119130 b (aka K2-292 b), a transiting planet ( P = 17 days, R _p = ${2.63}_{-0.10}^{+0.11}$ R _⊕ ) orbiting a chromospherically inactive G dwarf, previously thought to be one of the densest sub-Neptunes known.
Joseph M. Akana Murphy   +15 more
doaj   +1 more source

Fluid-mechanical structure of a turbulent premixed V flame

open access: yesNihon Kikai Gakkai ronbunshu, 2015
The flow field of a turbulent premixed V flame has been closely examined by using a three-color six-beam LDV system. A bi-modal distribution, composed of the velocity fluctuations of both the high velocity mode and the low velocity mode, is observed ...
Yasuko YOSHIDA, Junichi FURUKAWA
doaj   +1 more source

The donor star radial velocity curve in the cataclysmic variable GY Cnc confirms white dwarf eclipse modelling mass [PDF]

open access: green, 2023
S. P. Littlefair   +4 more
openalex   +1 more source

THE RADIAL VELOCITY EXPERIMENT (RAVE): FIFTH DATA RELEASE [PDF]

open access: yes, 2013
Data Release 5 (DR5) of the Radial Velocity Experiment (RAVE) is the fifth data release from a magnitude-limited ( ) survey of stars randomly selected in the Southern Hemisphere. The RAVE medium-resolution spectra ( ) covering the Ca-triplet region (8410–
M. Steinmetz   +53 more
semanticscholar   +1 more source

Liquid Crystal Elastomers Under Confinement: A Review of Template‐Based Fabrication and Applications

open access: yesAdvanced Engineering Materials, EarlyView.
Template‐assisted confinement offers powerful ways to control the alignment, structure, and function of liquid crystal elastomers. This review highlights several templating strategies and details how geometry and interfaces shape material responses.
Meng Zhang   +7 more
wiley   +1 more source

Molecular Hydrogen Kinematics in Cepheus A

open access: yes, 2004
We present the radial velocity structure of the molecular hydrogen outflows associated to the star forming region Cepheus A. This structure is derived from doppler shift of the H_2 v=1-0 S(1) emission line obtained by Fabry-Perot spectroscopy.
David Hiriart   +6 more
core   +1 more source

Radial velocities of early-type stars in the Perseus OB2 association [PDF]

open access: yes, 2003
We present radial velocities for 29 B- and A-type stars in the field of the nearby association Perseus OB2. The velocities are derived from spectra obtained with AURELIE, via cross correlation with radial velocity standards matched as closely as possible
Abt   +54 more
core   +3 more sources

Experimental Analysis and Physics‐Based Analytical Model on Twisted and Coiled Artificial Muscles

open access: yesAdvanced Engineering Materials, EarlyView.
Twisted and coiled artificial muscles made from silver‐coated nylon fibers are investigated through experiments and analytical modeling. The actuators achieve contractions up to 19.3% and specific work of 8 kJ kg−1, though efficiency remains limited (≈0.15%) by thermal losses.
Salvatore Garofalo   +3 more
wiley   +1 more source

The Impact of Observing Cadence and Undetected Companions on the Accuracy of Planet Mass Measurements from Radial Velocity Monitoring

open access: yesThe Astronomical Journal
We conduct experiments on both real and synthetic radial velocity (RV) data to quantify the impact that observing cadence, the number of RV observations, and undetected companions all have on the accuracy of small planet mass measurements.
Joseph M. Akana Murphy   +2 more
doaj   +1 more source

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