Results 31 to 40 of about 49,973 (302)

Optimization of plasmon–plasmon coupling in photorefractive layered media [PDF]

open access: yes, 2013
In this paper we study grating-induced plasmon–plasmon coupling in photorefractive layered media using a weakcoupling approximation. The method used is applicable to general layered structures that support both plasmonic and optical modes, such as ...
Daly, K.R.   +3 more
core   +1 more source

Water-repellent soil and its relationship to granularity, surface roughness and hydrophobicity: a materials science view [PDF]

open access: yes, 2005
Considerable soil water repellency has been observed at a wide range of locations worldwide. The soil exhibiting water repellency is found within the upper part of the soil profile.
Newton, Michael   +5 more
core   +1 more source

Uncertainty Model for Total Solar Irradiance Estimation on Australian Rooftops

open access: yesE3S Web of Conferences, 2017
The installations of solar panels on Australian rooftops have been in rise for the last few years, especially in the urban areas. This motivates academic researchers, distribution network operators and engineers to accurately address the level of ...
Al-Saadi Hassan   +2 more
doaj   +1 more source

Comparison of Modelled and Measured Tilted Solar Irradiance for Photovoltaic Applications

open access: yesEnergies, 2017
This work assesses the performance of five transposition models that estimate the global and diffuse solar irradiance on tilted planes based on the global horizontal irradiance.
Riyad Mubarak   +3 more
doaj   +1 more source

Tilted Wave Fizeau Interferometer for flexible and robust asphere and freeform testing

open access: yesLight: Advanced Manufacturing, 2022
Tilted Wave Interferometry (TWI) is a measurement technique for fast and flexible interferometric testing of aspheres and freeform surfaces. The first version of the tilted wave principle was implemented in a Twyman-Green type setup with separate ...
Christian Schober   +4 more
doaj   +1 more source

A comparison of polymer film and glass collectors for concentrating solar power [PDF]

open access: yes, 2014
This paper describes work to compare the optical properties and surface texture of glass and polymer film collectors. We also present the results of experiments designed to simulate collector cleaning processes (both contact and non-contact), and the ...
Sansom, Christopher L.   +4 more
core   +1 more source

Chemical process effects on sloped surface with changing mass and consistent temperature [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly
The research extensively investigated the turbulent flow patterns surrounding an unbounded inclined plate under the conditions of uniform temperature and variable mass dispersion.
Gnanavel Nagarajan   +4 more
doaj   +1 more source

Roughness Measurements with Polychromatic Speckles on Tilted Surfaces [PDF]

open access: yesNanomanufacturing and Metrology, 2021
AbstractSurface light scattering enables contactless and fast measurements of surface roughness. A surface inclination alters the direction of the scattering beam and thus the measured surface roughness is calculated from the detected intensity distribution. Hence, an accurate sensor–surface alignment is necessary. In order to achieve tilt-independent
Johannes Stempin   +3 more
openaire   +1 more source

Surface Normal Estimation of Tilted Images via Spatial Rectifier

open access: yes, 2020
In this paper, we present a spatial rectifier to estimate surface normals of tilted images. Tilted images are of particular interest as more visual data are captured by arbitrarily oriented sensors such as body-/robot-mounted cameras. Existing approaches
Park, Hyun Soo   +7 more
core   +1 more source

Oscillatory motion of viscoelastic drops on slippery lubricated surfaces

open access: yesCommunications Physics, 2022
Water droplets move smoothly at a constant speed down an inclined tilted slippery lubricated surface. Here, droplets of polymer fluids are shown to exhibit for the same homogenous surface an oscillatory motion down the slope due to the viscoelastic ...
Paolo Sartori   +7 more
doaj   +1 more source

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