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Fluctuation Relation for Heat Engines [PDF]
J. Phys. A: Math. Theor. 44 405001 (2011), 2011 We derive the exact equality, referred to as the fluctuation relation for heat engines (FRHE), that relates statistics of heat extracted from one of the two heat baths and the work per one cycle of a heat engine operation. Carnot's inequality of classical thermodynamics follows as a direct consequence of the FRHE.
arxiv +6 more sources
Autonomous rotor heat engine. [PDF]
Physical Review E, 2016 The triumph of heat engines is their ability to convert the disordered energy of thermal sources into useful mechanical motion. In recent years, much effort has been devoted to generalizing thermodynamic notions to the quantum regime, partly motivated by
Alexandre Roulet +4 more
semanticscholar +6 more sources
Revisiting Endoreversible Carnot Engine: Extending the Yvon Engine [PDF]
EntropyCurzon and Ahlborn’s 1975 paper, a pioneering work that inspired the birth of the field of finite-time thermodynamics, unveiled the efficiency at maximum power (EMP) of the endoreversible Carnot heat engine, now commonly referred to as the Curzon–Ahlborn
Xiu-Hua Zhao, Yu-Han Ma
doaj +2 more sources
Enhancement of Quantum Heat Engine by Encircling a Liouvillian Exceptional Point. [PDF]
Physical Review Letters, 2023 Quantum heat engines are expected to outperform the classical counterparts due to quantum coherences involved. Here we experimentally execute a single-ion quantum heat engine and demonstrate, for the first time, the dynamics and the enhanced performance ...
J. Bu +12 more
semanticscholar +1 more source
Spin Quantum Heat Engine Quantified by Quantum Steering. [PDF]
Physical Review Letters, 2022 Following the rising interest in quantum information science, the extension of a heat engine to the quantum regime by exploring microscopic quantum systems has seen a boon of interest in the last decade.
Wentao Ji +8 more
semanticscholar +1 more source
Interaction-enhanced quantum heat engine [PDF]
Physical Review Research, 2022 We study a minimal quantum Otto heat engine, where the working medium consists of an interacting few-body system in a harmonic trap. This allows us to consider the interaction strength as an additional tunable parameter during the work strokes.
Mohamed Boubakour +2 more
semanticscholar +1 more source
Quantum-Enhanced Heat Engine Based on Superabsorption. [PDF]
Physical Review Letters, 2021 We propose a quantum-enhanced heat engine with entanglement. The key feature of our scheme is superabsorption, which facilitates enhanced energy absorption by entangled qubits.
Shunsuke Kamimura +4 more
semanticscholar +1 more source
Coherence-enhanced quantum-dot heat engine [PDF]
Physical Review Research, 2021 We show that quantum coherence can enhance the performance of a continuous quantum heat engine in the Lindblad description. We investigate the steady-state solutions of the particle-exchanging quantum heat engine, composed of degenerate double quantum ...
J. Um, K. Dorfman, Hyunggyu Park
semanticscholar +1 more source
Fluctuations in heat engines [PDF]
Journal of Physics A: Mathematical and Theoretical, 2021 Abstract At the dawn of thermodynamics, Carnot’s constraint on efficiency of heat engines stimulated the formulation of one of the most universal physical principles, the second law of thermodynamics. In recent years, the field of heat engines acquired a new twist due to enormous efforts to develop and describe microscopic machines based
Viktor Holubec, Artem Ryabov
openaire +2 more sources
Equivalent Heat Load Test on Hot Aircraft Engine Components [PDF]
Archives of Foundry Engineering, 2023 The paper presents the assumptions and methodology for investigating equivalent heat load testing of hot aircraft engine components. The basic heat loads occurring in an aircraft engine during aircraft flight are characterised.
M. Mróz +3 more
doaj +1 more source