Results 101 to 110 of about 168,015 (309)

ULTRA-SHARP nonoscillatory convection schemes for high-speed steady multidimensional flow [PDF]

open access: yes
For convection-dominated flows, classical second-order methods are notoriously oscillatory and often unstable. For this reason, many computational fluid dynamicists have adopted various forms of (inherently stable) first-order upwinding over the past few
Leonard, B. P., Mokhtari, Simin
core   +1 more source

Triboelectric Nanogenerators Enable Multifunctional Ice Accretion, Melting, and Interfacial Fracture Detection

open access: yesAdvanced Materials, EarlyView.
Water impacting, freezing, melting, and being mechanically removed from the designed dielectric surfaces generates a triboeletric signal that can be used to detect various icing and de‐icing scenarios. The charge transferred directly scales with the interfacial fracture mechanism, further validating triboelectricity as an excellent ice‐detection ...
Kamran Alasvand Zarasvand   +12 more
wiley   +1 more source

Sub‐1000 °C Sintering of Protonic Ceramic Electrochemical Cells via Microwave‐Driven Vapor Phase Diffusion

open access: yesAdvanced Materials, EarlyView.
A transformative microwave‐driven vapor‐phase sintering strategy enables densification of proton‐conducting electrolytes at 980 °C, reducing the sintering temperature by over 500 °C and addressing a major bottleneck toward PCEC manufacturing. Abstract Protonic ceramic electrochemical cells (PCECs) hold significant promise for efficient power generation
Dongyeon Kim   +8 more
wiley   +1 more source

Numerical study of the effects of boundary conditions on the measurement and calibration of gardon type heat flux sensors [PDF]

open access: yes
To monitor the high-intensity heat flux conditions that occur in the space shuttle main engine (SSME), it is necessary to use specifically designed heat flux sensors.
Dybbs, A., Krane, M.
core   +1 more source

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