Results 11 to 20 of about 45,527 (189)
Autonomous circular heat engine [PDF]
Physical Review E, 2022 A dynamical model of a highly efficient heat engine is proposed, where an applied temperature difference maintains the motion of particles around the circuit consisting of two asymmetric narrow channels, in one of which the current flows against the applied thermodynamic forces.
Giuliano Benenti +3 more
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Optimization of an active heat engine [PDF]
Physical Review E, 2021 Optimisation of heat engines at the micro-scale has applications in biological and artificial nano-technology, and stimulates theoretical research in non-equilibrium statistical physics. Here we consider non-interacting overdamped particles confined by an external harmonic potential, in contact either with a thermal reservoir or with a stochastic self ...
Gronchi G, Puglisi A
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Holographic heat engines as quantum heat engines [PDF]
Classical and Quantum Gravity, 2020 Certain solutions of Einstein's equations in anti-de Sitter spacetime can be engineered, using extended gravitational thermodynamics, to yield `holographic heat engines', devices that turn heat into useful mechanical work. On the other hand, there are constructions (both experimental and theoretical) where a series of operations is performed on a small
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Topological Josephson heat engine [PDF]
Communications Physics, 2020 AbstractTopological superconductors represent a fruitful playing ground for fundamental research as well as for potential applications in fault-tolerant quantum computing. Especially Josephson junctions based on topological superconductors remain intensely studied, both theoretically and experimentally. The characteristic property of these junctions is
Benedikt Scharf +4 more
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Investigation of effect of heat exchanger size on power output in low-temperature difference Stirling engines [PDF]
E3S Web of Conferences, 2021 The Stirling engine is capable of converting any source of thermal energy into kinetic energy, which makes it an attractive option for utilizing low-temperature sources such as geothermal or waste heat below 100 °C.
Hasanovich Linda, Nobes David
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Verification of ignition energy time distribution control for a diluted combustion engine
Nihon Kikai Gakkai ronbunshu, 2021 Several high energy ignitions have been proposed to improve ignition performance of diluted combustion recently. One of the major issues in the high energy ignition systems is heat generation of an ignition coil due to increase of power consumption. This
Eiichiro OHATA, Kazuhiro ORYOJI
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Nature, 1892 IN trying Mr. Smith's experiment on the rotation of nickel (NATURE, January 28, p. 294), I find my disk has a more complex action.
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Natural Convection Heat Transfer from an Isothermal Plate
Thermo, 2023 Using boundary-layer theory, natural convection heat transfer formulas that are accurate over a wide range of Rayleigh numbers (Ra) were developed in the 1970s and 1980s for vertical and downward-facing plates.
Aubrey Jaffer
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General Thermodynamic Properties of FRW Universe and Heat Engine
Universe, 2022 In this work, the Friedmann–Robertson–Walker (FRW) Universe is considered a thermodynamic system, where the cosmological constant generates the thermodynamic pressure.
Ujjal Debnath
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