Comparative study of quantum Otto and Carnot engines powered by a spin working substance
Quantum Otto and Carnot engines have recently been receiving attention due to their ability
to achieve high efficiencies and powers based on the laws of quantum mechanics. This …
to achieve high efficiencies and powers based on the laws of quantum mechanics. This …
Theoretical and experimental studies of heat transfer in a double-pipe heat exchanger equipped with twisted tape and nanofluid
R Aghayari, H Maddah, SM Pourkiaei… - The European Physical …, 2020 - Springer
This study represents the performance of Fe 2 O 3/water nanofluid (20 nm) in a double-pipe
heat exchanger equipped with twisted-tape inserts for enhancing heat transfer. Fe 2 O …
heat exchanger equipped with twisted-tape inserts for enhancing heat transfer. Fe 2 O …
Measurement-based quantum heat engine in a multilevel system
We compare quantum Otto engines based on two different cycle models: a two-bath model,
with a standard heat source and sink, and a measurement-based protocol, where the role of …
with a standard heat source and sink, and a measurement-based protocol, where the role of …
Powering quantum Otto engines only with -deformation of the working substance
We consider a quantum Otto cycle with aq-deformed quantum oscillator working substance
and classical thermal baths. We investigate the influence of the quantum statistical …
and classical thermal baths. We investigate the influence of the quantum statistical …
Quantum Stirling engine based on dinuclear metal complexes
Low-dimensional metal complexes are versatile materials with tunable physical and
chemical properties that make these systems promising platforms for caloric applications. In …
chemical properties that make these systems promising platforms for caloric applications. In …
Measurement-based quantum Otto engine with a two-spin system coupled by anisotropic interaction: Enhanced efficiency at finite times
We have studied the performance of a measurement-based quantum Otto engine (QOE) in a
working system of two spins coupled by Heisenberg anisotropic interaction. A nonselective …
working system of two spins coupled by Heisenberg anisotropic interaction. A nonselective …
Engineering four-qubit fuel states for protecting quantum thermalization machine from decoherence
Decoherence is a major issue in quantum information processing, degrading the
performance of tasks or even precluding them. Quantum error-correcting codes, creating …
performance of tasks or even precluding them. Quantum error-correcting codes, creating …
Constructal design of a non-uniform heat generating disc based on entropy generation minimization
H Feng, J You, L Chen, Y Ge, S **a - The European Physical …, 2020 - epjplus.epj.org
Non-uniform heat generating phenomenon is ubiquitous in real electronic devices. Based
on this point, this paper researches the entropy generation rate (EGR) performance of a non …
on this point, this paper researches the entropy generation rate (EGR) performance of a non …
A generalized irreversible thermal Brownian motor cycle and its optimal performance
C Qi, L Chen, Z Ding, Y Ge, H Feng - The European Physical Journal Plus, 2021 - Springer
A finite time thermodynamic model of generalized irreversible thermal Brownian motor is
proposed, in which heat transfer rate of particles through potential field, heat absorption of …
proposed, in which heat transfer rate of particles through potential field, heat absorption of …
Benchmarking quantum Stirling and Otto cycles for an interacting spin system
S Çakmak - JOSA B, 2022 - opg.optica.org
A properly selected quantum heat engine consumes resources efficiently. Also, there are
many parameters to determine the right option. In this study, we construct and compare the …
many parameters to determine the right option. In this study, we construct and compare the …