Results 181 to 190 of about 9,881,663 (387)

Absolute/convective instabilities and the convective Mach number in a compressible mixing layer [PDF]

open access: yes
Two aspects of the stability of a compressible mixing layer: Absolute/Convective instability and the convective Mach number were considered. It was shown that, for Mach numbers less than one, the compressible mixing layer is convectively unstable unless ...
Grosch, C. E., Jackson, T. L.
core   +1 more source

From Wood Rosin to a Green Compatibilizer: Enhancing the Performance of Natural Fiber/Polypropylene Composites

open access: yesPolymer Composites, EarlyView.
Synthesis of a green compatibilizer from wood rosin. ABSTRACT In this study, we investigate whether fortified rosin with maleic anhydride (FRMA), synthesized from renewable wood rosin, can effectively compatibilize polypropylene/natural fiber (PP/NF) composites.
Merve Genc, Murat Ertas
wiley   +1 more source

A numerical and experimental study of the time-evolution of a low Mach number jet [PDF]

open access: bronze, 2001
A. C. Raga   +4 more
openalex   +1 more source

Hypersonic turbulent wall boundary layer computations [PDF]

open access: yes
The Baldwin-Lomax algebraic turbulence model was modified for hypersonic flow conditions. Two coefficients in the outer layer eddy viscosity model were determined as functions of Mach number and temperature ratio.
Harloff, G. J., Kim, S. C.
core   +1 more source

Classical biological control of the brown marmorated stink bug (Halyomorpha halys) in apple orchard: a success story

open access: yesPest Management Science, EarlyView.
The classical biological control program with Trissolcus japonicus in Trentino effectively reduced Halyomorpha halys damage in apple orchards, increasing discovery efficiency and egg parasitization rates from 2020 to 2023. The results demonstrate reduced pesticide use and fruit damage, highlighting CBC as a sustainable pest management strategy against ...
Claudio Ioriatti   +9 more
wiley   +1 more source

Cruise noise of the SR-2 propeller model in a wind tunnel [PDF]

open access: yes
Noise data on the SR-2 model propeller were taken in the NASA Lewis Research Center 8- by 6-Foot Wind Tunnel. The maximum blade passing tone rises with increasing helical tip Mach number to a peak level at a helical tip Mach number of about 1.05; then it
Dittmar, James H.
core   +1 more source

Low‐Loss Polarization‐Maintaining Router for Single and Entangled Photons at a Telecom Wavelength

open access: yesAdvanced Quantum Technologies, EarlyView.
A novel electro‐optic routing of arbitrarily polarized single photons and, crucially, multi‐photon entangled states is demonstrated. Utilizing optics with near‐normal incidence and cross‐aligned electro‐optic crystals, low‐loss polarization‐maintaining routing is achieved with a minimal number of components.
Pengfei Wang   +5 more
wiley   +1 more source

Exploring New Chemical Paths in Quantum AI: Preliminary Accomplishments and Future Perspectives

open access: yesAdvanced Quantum Technologies, EarlyView.
Two new strategies derived from Chemical AI to promote the advancement of sustainable quantum technologies are presented and discussed. The first strategy relies on the chemical implementation of molecular fuzzy sets, which are quantum mixed states associated with chemical microheterogeneous systems. The second strategy relies on photochromic compounds
Pier Luigi Gentili
wiley   +1 more source

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