Results 211 to 220 of about 307,407 (286)

Comparative Analysis of Graded‐Index and Quarter‐Wave One‐Dimensional Photonic Crystal Filters for GaSb Thermophotovoltaic Cells

open access: yesEnergy Technology, EarlyView.
The efficiency and output power of thermophotovoltaic systems can be improved by using one‐dimensional photonic crystal optical filters with graded index profiles. Using a filter with a graded index profile increases the system efficiency from 15.8 to 27%.
Mehran Sepah Mansoor   +2 more
wiley   +1 more source

Solar Energy Storage Optimization Using Fractional Derivative Simulations of Maxwell Hybrid Nanofluid Flow: Entropy Generation Analysis

open access: yesEnergy Science &Engineering, EarlyView.
ABSTRACT This attempt examines the heat transfer enhancement from unsteady bioconvective Maxwell nanofluid flow under the incidence of solar radiation influenced by viscous dissipation and chemical reaction through a porous medium. The nanofluid contains silver and titanium alloy hybrid nanoparticles with gyrotactic micro‐organisms in ethylene glycol ...
Bhupendra K. Sharma   +4 more
wiley   +1 more source

Cauchy problem for degenerate parabolic equations [PDF]

open access: yesProceedings of the Japan Academy, Series A, Mathematical Sciences, 1973
openaire   +2 more sources

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