Talk:Aurel Stodola

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First artificial limb?

The article says "He also invented the world's first artificial limb, the Stodola arm."... However, this link: [1] on the history of prosthetics states that limbs were being developed hundreds of years before, by Ambroise Paré. This website: [2] notes that Herodotus tells the story of a Persian man with a wooden foot (which is an artficial limb). This is a clear overstatement. -LeeNapier 18:54, 19 June 2007 (UTC)[reply]

Modified Stodola Equation In the ST model used in GateCycle, the external characteristics of off-design steam turbines are determined using the following modified form of Stodola's ellipse law:

W=Cq*SQRT(Pb/vb)*SQRT(1-((r-r*)/(1-r))^2)

Where: W = inlet flow rate to group stage Cq = flow coefficient Pb = bowl pressure vb = bowl specific volume r = outlet pressure ratio r* = critical pressure ratio

Gouy-Stodola theorem

I find no links and notations about the Gouy-Stodola theorem that states the relation B=TS, where B = entropy loss, T = temperature and S = entropy that is an equality that is linked to at least to thermodynamics, entropy and exergy. It seems that there exists no wikipedia page for Gouy-Stodola theorem yet so that should be created as well (I wouldn't dare to do that as I'm still new with the wikipedia editing). The equality was represented in Stodola, A. (1910), Steam and Gas Turbines, McGraw-Hill and Gouy, Louis G. (1889), "Sur L'Energie Utilizable" (On Utilizable Energy), Journal de Physique 8, 501 independently. — Preceding unsigned comment added by 88.114.246.128 (talk) 12:35, 24 August 2012 (UTC)[reply]

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External links modified

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Added archive https://web.archive.org/web/20070607094527/http://www.ethbib.ethz.ch/exhibit/stodola/inhalt.html to http://www.ethbib.ethz.ch/exhibit/stodola/inhalt.html

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