Results 141 to 150 of about 1,122,763 (363)

Investigation of diesel pre-injection effects on combustion and emission characteristics in a small-displacement ammonia/diesel dual-fuel engine

open access: yesFuel Processing Technology
As a zero‑carbon fuel, ammonia is characterized by a high ignition temperature and slow laminar flame speed. Ammonia/diesel dual-fuel (ADDF) mode effectively improves ammonia combustion characteristics.
Shikai Xing   +6 more
doaj   +1 more source

Three‐dimensional Antimony Sulfide Based Flat Optics

open access: yesAdvanced Functional Materials, EarlyView.
This work presents the development of a grayscale electron beam lithography (g‐EBL) method for fabricating antimony trisulfide (Sb2S3) nanostructures with customizable 3D profiles. The refractive index of g‐EBL patterned Sb2S3 is determined based on the synergy of genetic algorithm and transfer matrix method.
Wei Wang   +18 more
wiley   +1 more source

Acoustic propagation over periodic and quasi-periodic rough surfaces [PDF]

open access: yes, 2016
Transport noise is an ever present concern in urban areas affecting the quality of life for millions of people. The traditional noise barrier is not always a convenient method of noise control and can divide communities.
Attenborough, Keith   +3 more
core  

Roll‐to‐Roll Mechanical Exfoliation for Large‐Area van der Waals Films with Preserved Crystallographic Alignment

open access: yesAdvanced Functional Materials, EarlyView.
A roll‐to‐roll exfoliation method is demonstrated that preserves the crystallographic alignment of anisotropic 2D materials over large areas, enabling scalable fabrication of directional electronic and optoelectronic devices. Abstract Anisotropic 2D materials such as black phosphorus (BP), GeS or CrSBr, exhibit direction‐dependent optical and ...
Esteban Zamora‐Amo   +14 more
wiley   +1 more source

Low knocking cycles recognition methods based on in-cylinder pressure resonance analysis

open access: yes, 2021
Irina A. Jimenez received a funding through the grant 132GRISOLIAP/2018/132 from the Generalitat Valenciana and the European Social Fund.
openaire   +2 more sources

Methods for heat transfer and temperature field analysis of the insulated diesel phase 2 progress report [PDF]

open access: yes
This report describes work done during Phase 2 of a 3 year program aimed at developing a comprehensive heat transfer and thermal analysis methodology for design analysis of insulated diesel engines. The overall program addresses all the key heat transfer
Blumberg, P. N.   +3 more
core   +1 more source

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