Difference between revisions of "Template:VT"

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m (*renamed templates;)
m (Use new mass template)
 
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<includeonly>{{#expr: <!--
 
<includeonly>{{#expr: <!--
 
-->    ( <!--
 
-->    ( <!--
-->        2 * {{G}} * {{Body data|{{{planet|{{{1}}}}}}|mass}} <!--
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-->        2 * {{G}} * {{Body data/Mass|{{{planet|{{{1}}}}}}}} <!--
 
-->        / ( <!--
 
-->        / ( <!--
 
-->            ({{{alt|{{{2}}}}}} + {{Body data|{{{planet|{{{1}}}}}}|radius}} <!--
 
-->            ({{{alt|{{{2}}}}}} + {{Body data|{{{planet|{{{1}}}}}}|radius}} <!--
 
-->            )^2 * <!--
 
-->            )^2 * <!--
-->            ( {{BodyData|{{{planet|{{{1}}}}}}|pressure}} * e^(-{{{alt|{{{2}}}}}}/{{Body data|{{{planet|{{{1}}}}}}|scale height}}) <!--
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-->            ( {{Body data|{{{planet|{{{1}}}}}}|pressure}} * e^(-{{{alt|{{{2}}}}}}/{{Body data|{{{planet|{{{1}}}}}}|scale height}}) <!--
 
-->            ) * (1.2230948554874 * 0.008) * 0.2 * 1 <!--
 
-->            ) * (1.2230948554874 * 0.008) * 0.2 * 1 <!--
 
-->        ) <!--
 
-->        ) <!--
 
-->    ) ^ 0.5 {{#if: {{{3|{{{round|}}}}}}|round {{{3|{{{round}}}}}}}}}}</includeonly><noinclude>
 
-->    ) ^ 0.5 {{#if: {{{3|{{{round|}}}}}}|round {{{3|{{{round}}}}}}}}}}</includeonly><noinclude>
  
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{{Outdated|
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* This is almost certainly outdated due to the atmospheric physics changes in [[1.0]].
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}}
 
{| class="wikitable"
 
{| class="wikitable"
 
! Usage || Produces
 
! Usage || Produces
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|}
 
|}
  
This template calculates terminal velocity of an object given the planet and the altitude from the planet's surface. It uses {{Tl|BodyData}} with the properties <tt>mass</tt>, <tt>radius</tt>, <tt>pressure</tt> and <tt>scale height</tt>.
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This template calculates terminal velocity of an object given the planet and the altitude from the planet's surface. It uses {{Tl|Body data}} with the properties <tt>mass</tt>, <tt>radius</tt>, <tt>pressure</tt> and <tt>scale height</tt>.
  
 
{{Parameter table|name=both|parameters=
 
{{Parameter table|name=both|parameters=

Latest revision as of 11:41, 12 May 2018



Usage Produces
{{VT | planet = Kerbin | alt = 0}}
100.1288989294

This template calculates terminal velocity of an object given the planet and the altitude from the planet's surface. It uses {{Body data}} with the properties mass, radius, pressure and scale height.

#/Name Optional Description Default
1 or planet No The celestial body
2 or alt No The altitude at which the terminal velocity should be calculated.
3 or round Yes Round to the given number of decimal places. Not set/Doesn't round

(M is the mass of the body, r is the body's radius, p0 is pressure at 0 m altitude (“sea level”), a is the altitude above sea level and H is the scale height)

The formula assumes that the coefficient of drag (d) is 0.2 and is used from the atmosphere article.