Results 31 to 40 of about 1,790 (131)

THERMODYNAMICAL EFFICIENCY OF A DETONATION ENGINE

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2018
An attempt has been made to analyze qualitatively and quantitatively the thermodynamic cycle of detonative combustion and to compare it with the Otto and Brayton cycles in order to establish the degree of its thermodynamic perfection. A comparison of the
Alhussan Khaled   +3 more
doaj   +1 more source

Multi-criteria/comparative analysis and multi-objective optimization of a hybrid solar/geothermal source system integrated with a carnot battery

open access: yesCase Studies in Thermal Engineering
Among the different electrical energy storage technologies, the Carnot batteries are promising options with low specific cost that do not suffer from geographical limitations and power-capacity coupling.
Badreddine Ayadi   +5 more
doaj   +1 more source

Effect of Heat Leak and Finite Thermal Capacity on the Optimal Configuration of a Two-Heat-Reservoir Heat Engine for Another Linear Heat Transfer Law

open access: yesEntropy, 2003
: Based on a model of a two-heat-reservoir heat engine with a finite high-temperature source and bypass heat leak, the optimal configuration of the cycle is found for the fixed cycle period with another linear heat transfer law .
Chih Wu   +3 more
doaj   +1 more source

Regarding the application limitations of the Carnot, s theorem

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2019
The purpose of this article is to perform a comparative study of a reversible heat engine with an ideal or real gas as a working fluid and to determine the change in its efficiency depending on the thermodynamic characteristics of the working fluid.
V. G. Kiselev
doaj   +1 more source

Effect of Machine Entropy Production on the Optimal Performance of a Refrigerator

open access: yesEntropy, 2020
The need for cooling is more and more important in current applications, as environmental constraints become more and more restrictive. Therefore, the optimization of reverse cycle machines is currently required.
Michel Feidt, Monica Costea
doaj   +1 more source

Attaining Carnot efficiency with quantum and nanoscale heat engines

open access: yesnpj Quantum Information, 2021
A heat engine operating in the one-shot finite-size regime, where systems composed of a small number of quantum particles interact with hot and cold baths and are restricted to one-shot measurements, delivers fluctuating work.
Mohit Lal Bera   +2 more
doaj   +1 more source

One-Particle Representation of Heat Conduction Described within the Scope of the Second Law. [PDF]

open access: yesPLoS ONE, 2016
The Carnot cycle and its deduction of maximum conversion efficiency of heat inputted and outputted isothermally at different temperatures necessitated the construction of isothermal and adiabatic pathways within the cycle that were mechanically ...
Christopher Gunaseelan Jesudason
doaj   +1 more source

Achieving Carnot efficiency in a finite-power Brownian Carnot cycle with arbitrary temperature difference [PDF]

open access: bronze, 2022
Kosuke Miura   +5 more
openalex   +1 more source

Carnot Model and Theoretical Efficiency of Large-Temperature-Difference of Absorption Cycle

open access: yesZhileng xuebao, 2005
The Carnot analysis method was proposed for the simplification of the thermodynamic analysis of the absorption cycle,by the comparison of the absorption cycle and the compression cycle.The system with two evaporators and two absorbers that is suitable ...
隋军
doaj  

Ideal mass transfer cycle and thermal performance optimization for liquid desiccant air conditioning system

open access: yesResults in Physics
Mass transfer processes, cycles and associated conversion devices find wide application in air-conditioning. However, several optimization problems concerning mass-related devices and systems persist due to the absence of corresponding optimization ...
Yin Zhang   +3 more
doaj   +1 more source

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