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Archive:000/Hydrogen gas/Pressurized storage: Difference between revisions

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(Created page with "==How much steel: Estimating the ''absolute bare minimum'' required== In physics, there is a general formula to estimate the theoretical minimum material-to-gas ratio, for ''any material'' containing ''any gas'' at high pressure. a = 1.5 R T D / (S M) {|class="wikitable" !colspan="2" |Parameters |- |<code>a</code> |The '''ratio''' we're calculating {{minor|Mass of the container, divided by the mass of the gas}} |- |<code>R</code> |{{light|''The universal gas constant...")
 
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|<code>a</code>
|<code>a</code>
|The '''ratio''' we're calculating {{minor|Mass of the container, divided by the mass of the gas}}
|The '''ratio''' we're calculating {{minor|'''Mass''' of the container, divided by the '''mass''' of the gas}}
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|<code>R</code>
|<code>R</code>
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|<code>T</code>
|<code>T</code>
|The maximum storage '''temperature'''
|{{minor|&nbsp;}} The maximum storage '''temperature''' {{minor|<small>Relative to ''absolute zero'' (&minus;273&deg;C)</small>}}
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|<code>D</code>
|<code>D</code>
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|<code>M</code>
|<code>M</code>
|The '''molar mass''' of the gas
|The '''''molar'' mass''' of the gas molecule {{minor|Which, in the case of ''hydrogen gas'' (H<sub>2</sub>), is about <code>2.02</code>}}
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<tab name="How this formula was obtained" collapsed>
<tab name="How this formula was obtained" collapsed>
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</tab>
</tab>


Let's apply this formula to a few possible cases below:
''Let's apply this formula to a few possible cases below:''


===Cheap structural steel===
===Cheap structural steel===