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* TITLE [JRG Seminar] Efficiency at maximum power of heat engines
* SPEAKERS
Name Affiliation E-mail
Prof. Zhanchun Tu Beijing Normal Univ. Prof. Xin Zhou (APCTP) xzhou(at)apctp.org
* HOST(Applicant)
Name Affiliation E-mail
-
* DATE / TIME 2009-08-24, 3pm
* PLACE APCTP Headquarters, Pohang
* ABSTRACT
We discuss the efficiency at maximum power output of heat engines including macroscopic heat engine, stochastic heat engine and Feynman\'s ratchet. For these three different models, the efficiency at maximum power has a universal feature in the region of small relative temperature differences.

Reference:
[1] F. L. Curzon and B. Ahlborn, Am. J. Phys. 43 (1975) 22
[2] T. Schmiedl and U. Seifert, EPL 81 (2008) 20003
[3] Z. C. Tu, J. Phys. A 41 (2008) 312003
[4] M. Esposito, K. Lindenberg, and C. Van den Broeck, PRL 102 (2009) 130602
 
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