Results 1 to 10 of about 70,649 (267)

The Approximation Characteristics of Weighted p-Wiener Algebra

open access: yesMathematics, 2023
In this paper, we study the approximation characteristics of weighted p-Wiener algebra AωpTd for 1 ...
Ying Chen   +3 more
doaj   +1 more source

Mixed Convection Heat Transfer and Entropy Generation in a ‎Water-filled Square Cavity Partially Heated from Below: The ‎Effects of Richardson and Prandtl Numbers [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2022
In the present study, fluid flow, heat transfer, and entropy generation for mixed convection inside a water-filled square cavity were investigated numerically.
Nawal Ferroudj   +2 more
doaj   +1 more source

Approximation of Entropy Numbers [PDF]

open access: yesComplex Analysis and Operator Theory, 2019
10 ...
K. P. Deepesh, V. B. Kiran Kumar
openaire   +2 more sources

Entropy-stable schemes in the low-Mach-number regime: Flux-preconditioning, entropy breakdowns, and entropy transfers [PDF]

open access: yesJournal of Computational Physics, 2022
Entropy-Stable (ES) schemes, specifically those built from [Tadmor \textit{Math. Comput.} 49 (1987) 91], have been gaining interest over the past decade, especially in the context of under-resolved simulations of compressible turbulent flows using high-order methods.
Ayoub Gouasmi   +2 more
openaire   +3 more sources

Entropy generation of nanofluid flow in hexagonal microchannel

open access: yesJournal of Taibah University for Science, 2022
A new model for entropy generation number in hexagonal microchannel is developed going from the equation proposed by Bejan. The effect of Cu, CuO, Al2O3 and TiO2 mixed with pure water inside the microchannel is evaluated via entropy generation analysis ...
Mohamed Omri   +3 more
doaj   +1 more source

Numerical Investigation of Nanofluid Mixed Convection and Entropy Generation in an Inclined Ventilating Cavity [PDF]

open access: yesJournal of Nanostructures, 2012
This paper presents results of a numerical study of mixed convection and entropy generation of Cu–water nanofluid in a square ventilating cavity at different inclination angles. Except a piece of bottom wall with a uniform heat flux, all of the cavity
H. Khorasanizadeh   +3 more
doaj   +1 more source

Approximation and entropy numbers of composition operators

open access: yesConcrete Operators, 2020
We give a survey on approximation numbers of composition operators on the Hardy space, on the disk and on the polydisk, and add corresponding new results on their entropy numbers, revealing how they are different.
Li Daniel   +2 more
doaj   +1 more source

Entropy of pseudo-random-number generators [PDF]

open access: yesPhysical Review E, 2004
4 pages, 4 ...
Mertens, Stephan, Bauke, Heiko
openaire   +3 more sources

Estimates of entropy numbers in probabilistic setting

open access: yesOpen Mathematics, 2020
In this paper, we define the entropy number in probabilistic setting and determine the exact order of entropy number of finite-dimensional space in probabilistic setting.
Han Yongjie, Xiao Hanyue, Chen Guanggui
doaj   +1 more source

Numerical Study of Entropy Generation in a Vertical Square Channel Packed with Saturated Porous Media [PDF]

open access: yesEngineering and Technology Journal, 2011
Entropy generation in a vertical square channel packed with saturated porous media, and subjected to differentially heated isothermal walls has been numerically investigated.
Abdulhassan A. Karamallah   +2 more
doaj   +1 more source

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