Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!wuarchive!cec2!news
From: fcr@saturn.wustl.edu (Frank C. Robey X5569)
Newsgroups: sci.electronics
Subject: Re: Vacuum Terminology
Summary: 1 atm = 101,325 Pa
Message-ID: <1990Feb5.070856.22477@cec1.wustl.edu>
Date: 5 Feb 90 07:08:56 GMT
Expires: 1990Feb15
References: <108800006@uxa.cso.uiuc.edu> <9505@nigel.udel.EDU> <1990Jan30.045241.20029@utzoo.uucp> <13027@cbnewsd.ATT.COM>
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Reply-To: fcr@saturn.UUCP (Frank C. Robey X5569)
Organization: Washington University, St. Louis MO
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In article <13027@cbnewsd.ATT.COM> knudsen@cbnewsd.ATT.COM (michael.j.knudsen) writes:
> ...
>Could someone tell me what is the format definition of a Pascal?
>Something simple, like a dyne/cm2? 

According to my Thermo' book 1Pa = 1 Newton/m^2.

> ...
>As the above shows, it is almost but not quite a power of ten
>times one atmosphere.  

Also in my Thermo' book, 1 atm (std) = 101,325 Pa.
                         1 bar       = 100,000 Pa.

My book is C 1976, so there may have been minor changes in the std atm since
then.
Frank Robey
fcr@saturn.wustl.edu	fcr@wuee1.wustl.edu
Electronic Systems and Signals Research Laboratory
Washington University- St. Louis