Πίεση: Διαφορά μεταξύ των αναθεωρήσεων

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T mihos (συζήτηση | συνεισφορές)
Χωρίς σύνοψη επεξεργασίας
T mihos (συζήτηση | συνεισφορές)
Χωρίς σύνοψη επεξεργασίας
Γραμμή 55:
*'''Απόλυτη πίεση''' χαρακτηρίζεται εκείνη που αρχή μέτρησης έχει το τέλειο ή απόλυτο κενό.
*'''Πραγματική πίεση''' χαρακτηρίζεται εκείνη που ως αρχή μέτρησης λαμβάνεται η [[ατμοσφαιρική πίεση|βαρομετρική πίεση]].
 
<table class="wikitable">
<caption>Pressure units</caption>
<tr>
<th rowspan="2">
<div class="plainlinks hlist navbar mini">
<ul>
<li class="nv-view"><a href="/wiki/Template:Pressure_Units" title="Template:Pressure Units"><span title="View this template">v</span></a></li>
<li class="nv-talk"><a href="/wiki/Template_talk:Pressure_Units" title="Template talk:Pressure Units"><span title="Discuss this template">t</span></a></li>
<li class="nv-edit"><a class="external text" href="//en.wikipedia.org/w/index.php?title=Template:Pressure_Units&amp;action=edit"><span title="Edit this template">e</span></a></li>
</ul>
</div>
</th>
<th width="16%"><a href="/wiki/Pascal_(unit)" title="Pascal (unit)">Pascal</a></th>
<th width="16%"><a href="/wiki/Bar_(unit)" title="Bar (unit)">Bar</a></th>
<th width="16%"><a href="/wiki/Technical_atmosphere" title="Technical atmosphere">Technical atmosphere</a></th>
<th width="16%"><a href="/wiki/Atmosphere_(unit)" title="Atmosphere (unit)">Standard atmosphere</a></th>
<th width="16%"><a href="/wiki/Torr" title="Torr">Torr</a></th>
<th width="16%"><a href="/wiki/Pounds_per_square_inch" title="Pounds per square inch">Pounds per square inch</a></th>
</tr>
<tr>
<th>(Pa)</th>
<th>(bar)</th>
<th>(at)</th>
<th>(atm)</th>
<th>(Torr)</th>
<th>(psi)</th>
</tr>
<tr style="text-align:center;">
<th>1 Pa</th>
<td>≡ 1 <a href="/wiki/Newton_(unit)" title="Newton (unit)">N</a>/m<sup>2</sup></td>
<td>10<sup>−5</sup></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">6995101970000000000♠</span><span style="white-space:nowrap">1.0197</span><span style="margin-left:0.25em;margin-right:0.15em">×</span>10<sup>−<span style="white-space:nowrap">5</span></sup></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">6994986919999999999♠</span><span style="white-space:nowrap">9.8692</span><span style="margin-left:0.25em;margin-right:0.15em">×</span>10<sup>−<span style="white-space:nowrap">6</span></sup></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">6997750060000000000♠</span><span style="white-space:nowrap">7.5006</span><span style="margin-left:0.25em;margin-right:0.15em">×</span>10<sup>−<span style="white-space:nowrap">3</span></sup></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">6996145037700000000♠</span><span style="white-space:nowrap">1.450<span style="margin-left:.25em">377</span></span><span style="margin-left:0.25em;margin-right:0.15em">×</span>10<sup>−<span style="white-space:nowrap">4</span></sup></span></td>
</tr>
<tr style="text-align:center;">
<th>1 bar</th>
<td>10<sup>5</sup></td>
<td>≡ 100 <a href="/wiki/Kilopascal" title="Kilopascal" class="mw-redirect">kPa</a>
<p>≡ 10<sup>6</sup>&#160;<a href="/wiki/Dyne" title="Dyne">dyn</a>/cm<sup>2</sup></p>
</td>
<td><span class="nowrap"><span style="display:none" class="sortkey">7000101970000000000♠</span><span style="white-space:nowrap">1.0197</span></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">6999986920000000000♠</span><span style="white-space:nowrap">0.986<span style="margin-left:.25em">92</span></span></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">7002750069999900000♠</span><span style="white-space:nowrap">750.06</span></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">7001145037700000000♠</span><span style="white-space:nowrap">14.503<span style="margin-left:.25em">77</span></span></span></td>
</tr>
<tr style="text-align:center;">
<th>1 at</th>
<td><span class="nowrap"><span style="display:none" class="sortkey">7004980665000000000♠</span><span style="white-space:nowrap">0.980<span style="margin-left:.25em">665</span></span><span style="margin-left:0.25em;margin-right:0.15em">×</span>10<sup><span style="white-space:nowrap">5</span></sup></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">6999980665000000000♠</span><span style="white-space:nowrap">0.980<span style="margin-left:.25em">665</span></span></span></td>
<td>≡ 1 <a href="/wiki/Kilogram-force" title="Kilogram-force">kp</a>/cm<sup>2</sup></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">6999967841100000000♠</span><span style="white-space:nowrap">0.967<span style="margin-left:.25em">8411</span></span></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">7002735559200000000♠</span><span style="white-space:nowrap">735.5592</span></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">7001142233400000000♠</span><span style="white-space:nowrap">14.223<span style="margin-left:.25em">34</span></span></span></td>
</tr>
<tr style="text-align:center;">
<th>1 atm</th>
<td><span class="nowrap"><span style="display:none" class="sortkey">7005101325000000000♠</span><span style="white-space:nowrap">1.013<span style="margin-left:.25em">25</span></span><span style="margin-left:0.25em;margin-right:0.15em">×</span>10<sup><span style="white-space:nowrap">5</span></sup></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">7000101325000000000♠</span><span style="white-space:nowrap">1.013<span style="margin-left:.25em">25</span></span></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">7000103319999999999♠</span><span style="white-space:nowrap">1.0332</span></span></td>
<td>1</td>
<td>≡ <span class="nowrap"><span style="display:none" class="sortkey">7002760000000000000♠</span><span style="white-space:nowrap">760</span></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">7001146959500000000♠</span><span style="white-space:nowrap">14.695<span style="margin-left:.25em">95</span></span></span></td>
</tr>
<tr style="text-align:center;">
<th>1 Torr</th>
<td><span class="nowrap"><span style="display:none" class="sortkey">7002133322399999999♠</span><span style="white-space:nowrap">133.3224</span></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">6997133322400000000♠</span><span style="white-space:nowrap">1.333<span style="margin-left:.25em">224</span></span><span style="margin-left:0.25em;margin-right:0.15em">×</span>10<sup>−<span style="white-space:nowrap">3</span></sup></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">6997135955100000000♠</span><span style="white-space:nowrap">1.359<span style="margin-left:.25em">551</span></span><span style="margin-left:0.25em;margin-right:0.15em">×</span>10<sup>−<span style="white-space:nowrap">3</span></sup></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">6997131578900000000♠</span><span style="white-space:nowrap">1.315<span style="margin-left:.25em">789</span></span><span style="margin-left:0.25em;margin-right:0.15em">×</span>10<sup>−<span style="white-space:nowrap">3</span></sup></span></td>
<td>≡ <sup>1</sup>/<sub>760</sub> <a href="/wiki/Atmosphere_(unit)" title="Atmosphere (unit)">atm</a>
<p>≈ 1&#160;<a href="/wiki/Millimeter_of_mercury" title="Millimeter of mercury">mm<sub>Hg</sub></a></p>
</td>
<td><span class="nowrap"><span style="display:none" class="sortkey">6998193367800000000♠</span><span style="white-space:nowrap">1.933<span style="margin-left:.25em">678</span></span><span style="margin-left:0.25em;margin-right:0.15em">×</span>10<sup>−<span style="white-space:nowrap">2</span></sup></span></td>
</tr>
<tr style="text-align:center;">
<th>1 psi</th>
<td><span class="nowrap"><span style="display:none" class="sortkey">7003689480000000000♠</span><span style="white-space:nowrap">6.8948</span><span style="margin-left:0.25em;margin-right:0.15em">×</span>10<sup><span style="white-space:nowrap">3</span></sup></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">6998689480000000000♠</span><span style="white-space:nowrap">6.8948</span><span style="margin-left:0.25em;margin-right:0.15em">×</span>10<sup>−<span style="white-space:nowrap">2</span></sup></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">6998703069000000000♠</span><span style="white-space:nowrap">7.030<span style="margin-left:.25em">69</span></span><span style="margin-left:0.25em;margin-right:0.15em">×</span>10<sup>−<span style="white-space:nowrap">2</span></sup></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">6998680460000000000♠</span><span style="white-space:nowrap">6.8046</span><span style="margin-left:0.25em;margin-right:0.15em">×</span>10<sup>−<span style="white-space:nowrap">2</span></sup></span></td>
<td><span class="nowrap"><span style="display:none" class="sortkey">7001517149300000000♠</span><span style="white-space:nowrap">51.714<span style="margin-left:.25em">93</span></span></span></td>
<td>≡ 1 <a href="/wiki/Pound-force" title="Pound-force" class="mw-redirect"><span title="pound-force">lb<sub>F</sub></span></a> /in<sup>2</sup></td>
</tr>
</table>
 
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Ανακτήθηκε από "https://el.wikipedia.org/wiki/Πίεση"