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Article #1243Re: THE SHORTEST HISTORY OF THERMODYNAMICS
From: Butler
Date: Sat, 01 Aug 2009 14:20
Date: Sat, 01 Aug 2009 14:20
46 lines
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3364 bytes
On Aug 1, 1:53 am, Pentcho Valev <pva...@yahoo.com> wrote: > In 1824 Sadi Carnot advanced a false premise and deduced a conclusion > later called "the second law of thermodynamics": > > Kelvin's version: It is impossible to perform a cyclic process with no > other result than that heat is absorbed from a reservoir, and work is > performed. > > This implies that, when two INTERACTING heat engines absorb heat from > a reservoir (the surroundings) and perform reversible work, the > following equality of partial derivatives holds: > > dF1 / dX2 = dF2 / dX1 > > where F1 and F2 are work-producing forces and X1 and X2 are the > respective displacements. > > The above implication is more or less an oxymoron since the equality > clearly characterizes NON-INTERACTING heat engines. At least in two > cases (seehttp://www.wbabin.net/valev/valev2.htm) the partial > derivatives are not equal and therefore the second law of > thermodynamics is false. > > The next development of thermodynamics can be characterized in the > following way: > > Camouflaging the falsehood of the second law of thermodynamics by > introducing a red herring called "the law of entropy increase": > > http://philsci-archive.pitt.edu/archive/00000313/ > Jos Uffink: "This summary leads to the question whether it is fruitful > to see irreversibility or time-asymmetry as the essence of the second > law. Is it not more straightforward, in view of the unargued > statements of Kelvin, the bold claims of Clausius and the strained > attempts of Planck, to give up this idea? I believe that Ehrenfest- > Afanassjewa was right in her verdict that the discussion about the > arrow of time as expressed in the second law of the thermodynamics is > actually a RED HERRING." > > Pentcho Valev > pva...@yahoo.com Sir, i have difficulties understanding you this time 2nd law cant possibly be wrong, there is an arrow in any case, you can feel it
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X-Google-Thread: 237b8ad48,2b0e69144b1a3b4d X-Google-Attributes: gid237b8ad48,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news2.google.com!postnews.google.com!o6g2000yqj.googlegroups.com!not-for-mail From: Butler <i4h29n8@snakebite.com> Newsgroups: sci.physics.relativity,sci.physics,fr.sci.physique,fr.sci.astrophysique Subject: Re: THE SHORTEST HISTORY OF THERMODYNAMICS Date: Sat, 1 Aug 2009 07:20:35 -0700 (PDT) Organization: http://groups.google.com Lines: 46 Message-ID: <a7ef48b9-0405-4f74-b1f7-476dfae5c28d@o6g2000yqj.googlegroups.com> References: <9edc484f-ba58-4427-a4f6-608365e5c78d@o15g2000yqm.googlegroups.com> NNTP-Posting-Host: 200.65.127.161 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Trace: posting.google.com 1249136436 10284 127.0.0.1 (1 Aug 2009 14:20:36 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Sat, 1 Aug 2009 14:20:36 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: o6g2000yqj.googlegroups.com; posting-host=200.65.127.161; posting-account=i4wMqgoAAAAbXhpeVxt3lvPuC2cMjaVj User-Agent: G2/1.0 X-HTTP-Via: 1.0 reverse-eventosEspeciales (NetCache NetApp/5.6.2) X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-GB; rv:1.8.1.20) Gecko/20081217 Firefox/2.0.0.20 (.NET CLR 3.5.30729),gzip(gfe),gzip(gfe)