Results 11 to 20 of about 67,690 (262)

Entropy generation from convective–radiative moving exponential porous fins with variable thermal conductivity and internal heat generations

open access: yesScientific Reports, 2022
The performance and thermal properties of convective–radiative rectangular and moving exponential porous fins with variable thermal conductivity together with internal heat generation are investigated.
Zia Ud Din   +3 more
doaj   +1 more source

On A Generalized Entropy’s Formula [PDF]

open access: yesResults in Mathematics, 1990
The authors consider measures \(\mu\) being generalized Rademacher-Riesz products. Using the properties of such products and using Frostman's lemma, they find the Hausdorff dimension of a Borel subset of [0,1] of positive \(\mu\)-measure. Thereby they generalize \textit{H. G. Egglestone}'s result [Q. J. Math., Oxf. II. Ser.
Karanikas, C.   +3 more
openaire   +2 more sources

Streaming generalized cross entropy [PDF]

open access: yesSoft Computing, 2019
We propose a new method to combine adaptive processes with a class of entropy estimators for the case of streams of data. Starting from a first estimation obtained from a batch of initial data, model parameters are estimated at each step by combining the prior knowledge with the new observation (or a block of observations).
Mario Angelelli   +2 more
openaire   +3 more sources

GENERALIZED ENTROPIES [PDF]

open access: yes, 2013
21 ...
Dupuis Frederic   +4 more
openaire   +2 more sources

Generalized $$\alpha $$-observational entropy

open access: yesQuantum Information Processing, 2023
Comment: 13 pages: Accepted for Publication in Quantum Information ...
Sinha, Shivam   +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

Generalized Entropies, Variance and Applications [PDF]

open access: yesEntropy, 2020
The generalized cumulative residual entropy is a recently defined dispersion measure. In this paper, we obtain some further results for such a measure, in relation to the generalized cumulative residual entropy and the variance of random lifetimes. We show that it has an intimate connection with the non-homogeneous Poisson process.
Abdolsaeed Toomaj, Antonio Di Crescenzo
openaire   +4 more sources

Generalized weighted permutation entropy

open access: yesChaos: An Interdisciplinary Journal of Nonlinear Science, 2022
A novel heuristic approach is proposed here for time series data analysis, dubbed Generalized weighted permutation entropy, which amalgamates and generalizes beyond their original scope two well established data analysis methods: Permutation entropy and Weighted permutation entropy.
Darko Stosic   +3 more
openaire   +4 more sources

Numerical Study on Entropy Generation in Thermal Convection with Differentially Discrete Heat Boundary Conditions

open access: yesEntropy, 2018
Entropy generation in thermal convection with differentially discrete heat boundary conditions at various Rayleigh numbers (Ra) are numerically investigated using the lattice Boltzmann method.
Zhengdao Wang, Yikun Wei, Yuehong Qian
doaj   +1 more source

The effects of transient radiant flow on pipe in contact with natural convection, for developed laminar flow of fluid with high Prandtl number, on enthalpy and entropy generation [PDF]

open access: yesChemical Review and Letters, 2019
Convection flow is passed in a pipe wall possessing radiation-convection, in order to find the best case with at least enthalpy and minimum entropy generation, through pipe wall having radiant flow.
reza kakulvand
doaj   +1 more source

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