<div dir="ltr"><div>Hi all</div><div><br></div><div>Indeed pressure=no mostly refers to vacuum, instead of normal atmospheric conditions.</div><div><br></div><div>Shouldn't we consider following values as to prevent the need of two tags to state if it's pressurised and which normal pressure?</div><div>* pressure=yes : Unknown pressure > 1 atm (1.013 bar)</div><div>* pressure=atmosphere : Normal atmospheric pressure at the feature elevation (default).<br></div><div>* pressure=no : Primary vacuum (< 100 Pa). Useful for kind of hyperloop tunnels for instance.<br></div><div>* pressure=]0;+inf[ : Fixed pressure.</div><div><br></div><div>Units will undoubtedly be an issue as Pascal is the international system unit but many fields of knowledge still prefer many others (bar, psi, atm...).</div><div><br></div><div>I see no issue with this and feel free to correct/complete</div><div><br></div><div>All the best</div><div><br></div><div>François<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Le ven. 17 sept. 2021 à 01:58, Martin Koppenhoefer <<a href="mailto:dieterdreist@gmail.com">dieterdreist@gmail.com</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto"><br><br><div dir="ltr">sent from a phone</div><div dir="ltr"><br><blockquote type="cite">On 16 Sep 2021, at 22:37, Kyle Hensel <<a href="mailto:K.y.l.e@outlook.co.nz" target="_blank">K.y.l.e@outlook.co.nz</a>> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div style="color:rgb(33,33,33);background-color:rgb(255,255,255)" dir="auto">'pressurized' means there is a deliberate effort to maintain a pressure level that is different to the surrounding area. </div>
<div style="color:rgb(33,33,33);background-color:rgb(255,255,255)" dir="auto">
<span style="font-size:12pt">So pressurized=no is a logical tag, but pressure=no makes no sense. </span></div></div></blockquote><br><div><br></div><div>+1</div><div><br></div><div>Cheers Martin </div></div>_______________________________________________<br>
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