Results 261 to 270 of about 1,566,376 (417)

Aerodynamic characteristics of the modified 40- by 80-foot wind tunnel as measured in a 1/50th-scale model [PDF]

open access: yes
The aerodynamic characteristics of the 40- by 80-Foot Wind Tunnel at Ames Research Center were measured by using a 1/50th-scale facility. The model was configured to closely simulate the features of the full-scale facility when it became operational in ...
Naumowicz, Tim, Smith, Brian E.
core   +1 more source

Thermodynamic Stability and Site‐Specific Distribution of Graphitic and Pyridinic Nitrogen in Graphene Moiré on Ru(0001)

open access: yesAdvanced Materials Interfaces, EarlyView.
Nitrogen doping on Ru(0001) is investigated using ion implantation and annealing, tuning the distribution of graphitic (GN) and pyridinic (PN) nitrogen sites. STM, XPS, and DFT identified the structure and site distribution, and a thermodynamic phase diagram showed that GN is most stable at the Atop region, while PN preferred boundaries between FCC and
Buddhika S. A. Gedara   +8 more
wiley   +1 more source

Surface flow visualization of separated flows on the forebody of an F-18 aircraft and wind-tunnel model [PDF]

open access: yes
A method of in-flight surface flow visualization similar to wind-tunnel-model oil flows is described for cases where photo-chase planes or onboard photography are not practical.
Banks, Daniel W.   +2 more
core   +1 more source

Roll‐to‐Roll (R2R) Processing of Large‐Area Flexible Piezoresistive Films with Magnetically Z‐Aligned Nickel Microcolumnar Morphology

open access: yesAdvanced Materials Technologies, EarlyView.
Development of processing window for the continuous manufacturing of flexible and anisotropic piezoresistive films using magnetic‐field assisted alignment of Ni particles on a roll‐to‐roll processing line. Abstract Flexible pressure sensors are highly sought after for applications like rehabilitation healthcare, advanced wearable electronics ...
Nagarpita Moka Vidyanag   +3 more
wiley   +1 more source

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