Maxwell's Demon 2 Entropy, Classical and Quantum by Harvey Leff, Andrew F. Rex

By Harvey Leff, Andrew F. Rex

Over a hundred thirty years in the past, James Clerk Maxwell brought his hypothetical "demon" as a problem to the scope of the second one legislations of thermodynamics. Fascination with the demon endured through the improvement of statistical and quantum physics, details concept, and desktop technological know-how, and hyperlinks were tested among Maxwell's demon and every of those disciplines. The demon's seductive caliber makes it attractive to actual scientists, engineers, machine scientists, biologists, psychologists, and historians and philosophers of science.

Since the e-book of Maxwell's Demon: Entropy, info, Computing in 1990, Maxwell's demon has been the topic of renewed and elevated curiosity via a number of researchers within the fields pointed out above. up to date and increased, Maxwell's Demon 2: Entropy, Classical and Quantum info, Computing keeps some of the seminal papers that seemed within the first version, together with the unique techniques of James Clerk Maxwell and William Thomson; a historic overview by way of Martin Klein; and key articles by means of Leo Szilard, Leon Brillouin, Rolf Landauer, and Charles Bennett that ended in new branches of study at the demon. This moment variation comprises more recent articles by way of Landauer, Bennett, and others, with regards to Landauer's precept; connections with quantum mechanics; algorithmic details; and the thermodynamics and boundaries of computation. The e-book additionally contains separate bibliographies: an alphabetical directory by way of writer and a chronological bibliography that's annotated by means of the editors and comprises chosen prices from the books and articles indexed. The bibliography has greater than doubled in dimension because booklet of the 1st version and now includes over 570 entries.

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Vapor is supercooled or in a supersaturated state without a phase transformation since condensation transfers heat to the adjacent wall. The vapor temperature is equal to the condensing wall temperature and the saturation temperature (Ts) corresponding to vapor pressure ( pv) is higher than Tw. The liquid and vapor state for a liquid droplet in equilibrium with surrounding vapor in a phase diagram. “EF” is supercooled and “FG” is super heated state of vapor at a given wall temperature, Fig. 14b.

15b, c. There is some conflict in the calculation of volume of deformed drop and its experimental validation for sessile drops on an inclined surface. Dussan (1985) and Elsherbini and Jacobi 2004a, b suggested that approximating the drop shape as spherical cap can lead to 10–25 % errors in volume. Based on experimental evidence, others (Extrand and Kumagai 1995; Dimitrakopoulos and Higdon 1999) believe that such approximation is quite valid for a small drop. As pendant drops tend to be small, the spherical cap approximation is used in the present work.

In the present monograph, the leading side angle (θmax) is assumed equal to the advancing angle (θadv) of drop and trailing side angle (θmin) equal to the receding angle (θrcd) at criticality for determining the size of drop at criticality. Various researchers (Leach et al. 2006; Ma et al. 2008; Kim and Kim 2011; Rykaczewski 2012) have reported that heat transfer rate increases with diminishing contact angle hysteresis since criticality of drop slide-off/fall-off is inversely proportional to it.

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