Volume 106, Number 1, April 2014
|Number of page(s)||6|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||09 April 2014|
Is Carnot efficiency the upper bound for work extraction from thermal reservoirs?
Candida Oancea Institute, Polytechnic University of Bucharest - Spl. Independentei 313, Bucharest 060042, Romania and Academia Romana - Calea Victorie 125, Bucharest, Romania
Received: 3 January 2014
Accepted: 23 March 2014
Thermal reservoirs include heat and radiation reservoirs. The simplest case of radiation reservoirs (i.e. blackbody isotropic radiation) is considered here. Carnot efficiency is not the upper bound for work extraction from radiation reservoirs. New upper bound efficiencies are obtained.
PACS: 84.60.Bk – Performance characteristics of energy conversion systems; figure of merit / 05.70.Ce – Thermodynamic functions and equations of state / 88.05.De – Thermodynamic constraints on energy production
© EPLA, 2014
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