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<p>tip - upstream pressure > 5 <a href="page.php?w=Bar_%28unit%29">bar</a><br/>
* a multi nozzle tip, sonic or subsonic<br/>
* a Coanda tip - a profiled tip using the <a href="page.php?w=Coanda_effect">Coanda effect</a> to entrain air into the gas to improve combustion.</p>

<p><big> Flare stack height </big></p>
<p>The height of a flare stack, or the reach of a flare boom, is determined by the <a href="page.php?w=thermal_radiation">thermal radiation</a> that is permissible or tolerable for equipment or personnel to be exposed to. For continuous exposure</p><p>
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