Results 261 to 270 of about 735,606 (326)

Entropy Generation Rate for a Peristaltic Pump

Journal of Non-Equilibrium Thermodynamics, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Souidi, Ferhat, Ayachi, Kheira, Benyahia, Nabil   +2 more
openaire   +1 more source

A numerical analysis of the energy and entropy generation rate in a Linear Fresnel Reflector using computational fluid dynamics

, 2020
This work presents an energy and entropy generation analysis of a Linear Fresnel Reflector using the Computational Fluid Dynamics. It consists of 25 mirrors oriented to a receiver tube, which is located inside a Compound Parabolic Concentrator.
O. López-Núñez, J. Alfaro-Ayala, O. Jaramillo, J. Ramírez-Minguela, J. C. Castro, C. Damian-Ascencio, S. Cano-Andrade   +6 more
semanticscholar   +1 more source

Optimization of a Linear Fresnel Reflector Applying Computational Fluid Dynamics, Entropy Generation Rate and Evolutionary Programming

, 2020
This work presents an optimization of a Linear Fresnel Reflector based on the Computational Fluid Dynamics, the Entropy Generation Rate and the Evolutionary Programming method.
O. López-Núñez, J. Alfaro-Ayala, J. Ramírez-Minguela, J. M. Belman-Flores, O. Jaramillo   +4 more
semanticscholar   +1 more source

Entropy generation rate during laser pulse heating: Effect of laser pulse parameters on entropy generation rate

Optics and Lasers in Engineering, 2008
Laser pulse heating of solid surface and entropy generation during the heating process are considered. Time exponentially decaying pulse is accommodated in the analysis and the laser pulse parameter (β1/β2) resulting in minimum entropy generation rate is computed. Analytical solutions for temperature rise are presented and volumetric entropy generation
H. Al-Qahtani, B.S. Yilbas
openaire   +1 more source

Generalized entropy decay rates of one-dimensional maps

Physical Review A, 1988
A series of entropies, approaching the order-q Renyi's entropies when the length of orbits tends to infinity, is considered. Their scaling form is determined for chaotic one-dimensional maps. For the characteristic relaxation time a general expression is derived, and it is shown to be closely related to the eigenvalues of a generalized Frobenius-Perron
, Csordás, , Szépfalusy
openaire   +2 more sources

Entropy generation in silicon thin film: Influence of film thickness on entropy generation rate

Journal of Non-Equilibrium Thermodynamics, 2014
Abstract Thermodynamic irreversibility in thin silicon film is considered and entropy generation in the film is predicted. The Boltzmann equation is incorporated to formulate the phonon transport in the film due to temperature disturbance across the film edges. Frequency-dependent and frequency-independent phonon transport are introduced
Haider Ali, Bekir S. Yilbas
openaire   +1 more source

Entropy generation analysis in MHD hybrid nanofluid flow: Effect of thermal radiation and chemical reaction

Numerical Heat Transfer, Part B Fundamentals, 2023
The current study computationally investigates the thermally radiative incompressible flow of hybrid nanofluid induced by a radially stretchable rotating disk with entropy generation analysis.
N. Vijay, K. Sharma
semanticscholar   +1 more source

Entropy generation rate minimization for hydrocarbon synthesis reactor from carbon dioxide and hydrogen

International Journal of Heat and Mass Transfer, 2019
The process of hydrocarbon synthesis from carbon dioxide and hydrogen in a fixed-bed reactor, a novel approach of converting renewable and distributed energy to high-energy-density liquid hydrocarbon fuels, is designed and optimized thermodynamically in ...
Lei Zhang, Shaojun Xia, Lingen Chen, Y. Ge, Chao Wang, H. Feng   +5 more
semanticscholar   +1 more source

Robust heart rate variability analysis by generalized entropy minimization

Computational Statistics & Data Analysis, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Davide La Vecchia, Lorenzo Camponovo, Davide Ferrari   +2 more
openaire   +4 more sources

Artificial neural networking (ANN) analysis for heat and entropy generation in flow of non‐Newtonian fluid between two rotating disks

Mathematical methods in the applied sciences, 2021
Mixed convection is a mechanism of heat transport in a thermodynamic system in which the motion of fluid particles is produced by gravity as well as external forces like fans, pumps, or any other devices.
T. Zhao, M. Khan, Yuming Chu
semanticscholar   +1 more source