Reference : Thermodynamic cycles with active matter
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Physics and Materials Science
http://hdl.handle.net/10993/47912
Thermodynamic cycles with active matter
English
Ekeh, Timothy [Ekeh, T (Corresponding Author), Univ Cambridge, Ctr Math Sci, DAMTP, Wilberforce Rd, Cambridge CB3 0WA, England. Ekeh, Timothy]
Cates, Michael E. [Cates, Michael E.]
Fodor, Etienne mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)]
2020
PHYSICAL REVIEW E
AMER PHYSICAL SOC
102
1
Yes (verified by ORBilu)
International
2470-0045
ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
[en] Active matter constantly dissipates energy to power the self-propulsion of its microscopic constituents. This opens the door to designing innovative cyclic engines without any equilibrium equivalent. We offer a consistent thermodynamic framework to characterize and optimize the performances of such cycles. Based on a minimal model, we put forward a protocol which extracts work by controlling only the properties of the confining walls at boundaries, and we rationalize the transitions between optimal cycles. We show that the corresponding power and efficiency are generally proportional, so that they reach their maximum values at the same cycle time in contrast with thermal cycles, and we provide a generic relation constraining the fluctuations of the power.
http://hdl.handle.net/10993/47912
10.1103/PhysRevE.102.010101
Article

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