Heat engine in the three-dimensional spacetime
Sign Up to like & getrecommendations! Published in 2017 at "Journal of High Energy Physics"
DOI: 10.1007/jhep03(2017)010
Abstract: A bstractWe define a kind of heat engine via three-dimensional charged BTZ black holes. This case is quite subtle and needs to be more careful. The heat flow along the isochores does not equal to… read more here.
Keywords: three dimensional; heat engine; heat; result ... See more keywords
A comparative thermo-ecological performance analysis of generalized irreversible solar-driven heat engines
Sign Up to like & getrecommendations! Published in 2017 at "Renewable Energy"
DOI: 10.1016/j.renene.2017.06.091
Abstract: In this study, an analysis based upon thermo-ecology criteria has been performed for an irreversible solar-driven heat engine. In the conceived heat engine, heat is transferred by using simultaneous radiation and convection mode from the… read more here.
Keywords: solar driven; irreversible solar; heat engine; performance ... See more keywords
Optically manipulating thermodynamic performances of a quantum-dot heat engine
Sign Up to like & getrecommendations! Published in 2020 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2020.106625
Abstract: Abstract Quantum dots (QDs) as near perfect energy filters are of significant interest for investigating efficient energy harvesting at the nanoscale. In this paper we propose a QD heat engine triggered by a voltage difference… read more here.
Keywords: heat engine; heat; thermodynamic performances; optically manipulating ... See more keywords
Low-Grade Waste Heat Recovery via an Osmotic Heat Engine by Using a Freestanding Graphene Oxide Membrane
Sign Up to like & getrecommendations! Published in 2018 at "ACS Omega"
DOI: 10.1021/acsomega.8b02101
Abstract: The osmotic heat engine represents a new and promising technology for the harvesting of low-grade waste heat from various sources. However, the lack of an adequate semipermeable membrane hinders the technology’s advancement. In this study,… read more here.
Keywords: osmotic heat; heat engine; heat; low grade ... See more keywords
A quantum heat engine driven by atomic collisions
Sign Up to like & getrecommendations! Published in 2021 at "Nature Communications"
DOI: 10.1038/s41467-021-22222-z
Abstract: Quantum heat engines are subjected to quantum fluctuations related to their discrete energy spectra. Such fluctuations question the reliable operation of thermal machines in the quantum regime. Here, we realize an endoreversible quantum Otto cycle… read more here.
Keywords: heat; heat engine; quantum heat; power output ... See more keywords
Thermodynamic analysis and multi-objective optimisation of endoreversible Lenoir heat engine cycle based on the thermo-economic performance criterion
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Ambient Energy"
DOI: 10.1080/01430750.2017.1423386
Abstract: ABSTRACT A thermodynamic model of a steady-flow endoreversible Lenoir heat engine cycle (a ‘three-point’ cycle) coupled with constant-temperature heat reservoirs is established in this paper by using finite-time thermodynamic theory. The cycle consists of one… read more here.
Keywords: engine; lenoir heat; cycle; heat engine ... See more keywords
Building an irreversible Carnot-like heat engine with an overdamped harmonic oscillator
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Statistical Mechanics: Theory and Experiment"
DOI: 10.1088/1742-5468/abb0e1
Abstract: We analyse non-equilibrium Carnot-like cycles built with a colloidal particle in a harmonic trap, which is immersed in a fluid that acts as a heat bath. Our analysis is carried out in the overdamped regime.… read more here.
Keywords: building irreversible; heat engine; heat; carnot like ... See more keywords
Quantum heat engine based on dynamical materials design
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.102.125131
Abstract: We propose a quantum heat engine based on the ultrafast dynamical control of the magnetic properties of a nanoscale working body. The working principle relies on nonlinear phononics, an example for dynamical materials design. We… read more here.
Keywords: quantum heat; quantum; heat engine; engine based ... See more keywords
Exact model of the power-to-efficiency trade-off while approaching the Carnot limit
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review D"
DOI: 10.1103/physrevd.98.026008
Abstract: The Carnot heat engine sets an upper bound on the efficiency of a heat engine. As an ideal, reversible engine, a single cycle must be performed in infinite time, and so the Carnot engine has… read more here.
Keywords: engine; limit; power; model ... See more keywords
Quantum heat engine based on level degeneracy.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review. E"
DOI: 10.1103/physreve.100.012123
Abstract: We study a quantum Stirling cycle which extracts work using quantized energy levels of a potential well. The work and the efficiency of the engine depend on the length of the potential well, and the… read more here.
Keywords: potential well; based level; engine; quantum heat ... See more keywords
Controlling thermodynamics of a quantum heat engine with modulated amplitude drivings.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review. E"
DOI: 10.1103/physreve.106.024131
Abstract: External driving of bath temperatures with a phase difference of a nonequilibrium quantum engine leads to the emergence of geometric effects on the thermodynamics. In this work we modulate the amplitude of the external driving… read more here.
Keywords: heat engine; thermodynamics; engine; quantum heat ... See more keywords