About: An exactly solvable model of a stochastic heat engine: optimization of power, power fluctuations and efficiency     Goto   Sponge   NotDistinct   Permalink

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Description
  • We investigate a stochastic heat engine based on an over-damped particle diffusing on the positive real axis in an externally driven time-periodic log-harmonic potential. The periodic driving is composed of two isothermal and two adiabatic branches. Within our specific setting we verify the recent universal results regarding efficiency at maximum power and discuss properties of the optimal protocol. Namely, we show that for certain fixed parameters the optimal protocol maximizes not only the output power but also the efficiency. Moreover, we calculate the variance of the output work and discuss the possibility of minimizing fluctuations of the output power.
  • We investigate a stochastic heat engine based on an over-damped particle diffusing on the positive real axis in an externally driven time-periodic log-harmonic potential. The periodic driving is composed of two isothermal and two adiabatic branches. Within our specific setting we verify the recent universal results regarding efficiency at maximum power and discuss properties of the optimal protocol. Namely, we show that for certain fixed parameters the optimal protocol maximizes not only the output power but also the efficiency. Moreover, we calculate the variance of the output work and discuss the possibility of minimizing fluctuations of the output power. (en)
Title
  • An exactly solvable model of a stochastic heat engine: optimization of power, power fluctuations and efficiency
  • An exactly solvable model of a stochastic heat engine: optimization of power, power fluctuations and efficiency (en)
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  • An exactly solvable model of a stochastic heat engine: optimization of power, power fluctuations and efficiency
  • An exactly solvable model of a stochastic heat engine: optimization of power, power fluctuations and efficiency (en)
skos:notation
  • RIV/00216208:11320/14:10286288!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita
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  • S
http://linked.open...iv/cisloPeriodika
  • 4
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  • 2477
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  • RIV/00216208:11320/14:10286288
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  • exact results; driven diffusive systems (theory) (en)
http://linked.open.../riv/klicoveSlovo
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  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [EF19B2F06AA2]
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  • Journal of Statistical Mechanics: Theory and Experiment
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  • Neuveden
http://linked.open...iv/tvurceVysledku
  • Holubec, Viktor
http://linked.open...ain/vavai/riv/wos
  • 000338856600023
issn
  • 1742-5468
number of pages
http://bibframe.org/vocab/doi
  • 10.1088/1742-5468/2014/05/P05022
http://localhost/t...ganizacniJednotka
  • 11320
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