Results 31 to 40 of about 5,943,244 (298)

Optical analysis of a beam-down linear Fresnel reflector coupled with a flat plate receiver

open access: yesGreen Energy and Sustainability
Beam-down concentrating solar systems consist of two successive reflections. Compared to the conventional concentrated configurations, there are two concentrators, and the receiver is on the ground level.
Christos Sammoutos   +7 more
doaj   +1 more source

Using a GPS-Aided Inertial System for Coarse-Pointing of Free-Space Optical Communication Terminals [PDF]

open access: yes, 2006
In the Capanina project, it has been shown that it is possible to use solely GPS positions for coarse-pointing of a stratospheric free-space optical communication terminal.
Bernhard Epple, Epple, Bernhard
core   +1 more source

Analysis of Vorticity and Velocity Fields of Jets from Gas Injector Using PIV

open access: yesApplied Sciences
The present article offers a detailed analysis of helium jet velocity and vorticity intensity distribution using the particle image velocimetry (PIV) technique. A gaseous fuel injector featuring an interchangeable tip was implemented.
Giovanni Cecere   +4 more
doaj   +1 more source

Properties of the Window Layers for the CZTSe and CZTS Based Solar Cells [PDF]

open access: yesЖурнал нано- та електронної фізики, 2012
The paper presents complex investigation of optical characteristics and some structural parameters of ZnS and ZnSe films obtained by the close-spaced sublimation technique under different growth condition.
I.Yu. Protsenko   +4 more
doaj  

Design and performance evaluations with optical comparator link

open access: yesEngineering Science and Technology, an International Journal, 2017
This article presents performance investigation of the proposed high speed optical comparator network. Execution for inputs data A and data B, the equivalence (A = B), less than (A  B) operations have been realized through separate branches accompanying ...
Devendra Kr. Tripathi
doaj   +1 more source

Probing Families of Optical Soliton Solutions in Fractional Perturbed Radhakrishnan–Kundu–Lakshmanan Model with Improved Versions of Extended Direct Algebraic Method

open access: yesFractal and Fractional, 2023
In this investigation, we utilize advanced versions of the Extended Direct Algebraic Method (EDAM), namely the modified EDAM (mEDAM) and r+mEDAM, to explore families of optical soliton solutions in the Fractional Perturbed Radhakrishnan–Kundu–Lakshmanan ...
Humaira Yasmin   +3 more
doaj   +1 more source

Optical properties of recent non-fullerene molecular acceptors for bulk heterojunction solar cells

open access: yesResults in Physics, 2020
For many years the faith of organic photovoltaics has been linked to the one of fullerene, since fullerene has been considered the electron-acceptor of choice in bulk heterojunctions solar cells.
Andrea Farina   +2 more
doaj   +1 more source

Theoretical Investigation of Anhydrofusarubin: Structural and Optical Properties

open access: yesCrystals, 2023
Anhydrofusarubin is a naphthoquinone pigment synthesized by a number of Fusarium genus fungi. Being a biologically active substance, it demonstrates promising antibiotic properties and rather good hypothetical effectiveness against certain types of ...
Dmitrii Pankin   +10 more
doaj   +1 more source

Exercise Capacity, Physical Activity, Fatigue, and Neurocognitive Function in Adult Survivors of Childhood Acute Lymphoblastic Leukemia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Adult survivors of childhood acute lymphoblastic leukemia (ALL) are at risk of reduced exercise capacity, decreased physical activity levels, persistent fatigue, and neurocognitive deficits. The aim was to investigate exercise capacity and physical activity levels of adult survivors of childhood ALL and their associations with ...
Laura Jess   +5 more
wiley   +1 more source

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