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What is Supercavitation?
A53GG4
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7-20-2008 1:58 AM
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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/e6600189-0599-4caf-93f2-8a6b9fc33b3b/89C275A3-47D9-4B57-8C1B-B0A604AB490C/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.wisegeek.com/what-is-supercavitation.htm" href="http://www.wisegeek.com/what-is-supercavitation.htm" style="font-size: 11px;">www.wisegeek.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.wisegeek.com/what-is-supercavitation.htm"><H1 class="arTitle">What is Supercavitation?</H1></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.wisegeek.com/what-is-supercavitation.htm"><P><SPAN class="yellowFade"><SPAN><SPAN class="yellowFadeInnerSpan">Supercavitation</SPAN></SPAN></SPAN> is a remarkable <A class="iAs" classname="iAs" href="#" target="_blank" itxtdid="5018348">technology</A> which most people have never heard of. By reducing drag on submarines and torpedoes by a factor of 60-70%, supercavitation could transform the stealthy world of submarine warfare into something more like aerial combat, with objects flying back and forth at speeds much faster than the submarines we know.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.wisegeek.com/what-is-supercavitation.htm"><SPAN class="yellowFade"><SPAN><SPAN class="yellowFadeInnerSpan">Supercavitation</SPAN></SPAN></SPAN> exploits the phenomena of <A href="http://www.wisegeek.com/what-is-cavitation.htm" linkindex="13">cavitation</A>, something that submarine designers usually try to avoid. It would work as follows. When the nose of a <A href="http://www.wisegeek.com/what-is-a-torpedo.htm" linkindex="14">torpedo</A> or submarine is shaped in a certain way, usually flat with sharp edges, it creates an excessive amount of drag through the water. But the design of the nose accelerates the water it moves through at quick speeds, causing it to lose pressure and vaporize into bubbles.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.wisegeek.com/what-is-supercavitation.htm">By purposefully vaporizing as much water as it can, a supercavitating submarine or torpedo can create a bubble of air so large that it encompasses the whole vehicle.</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/89C275A3-47D9-4B57-8C1B-B0A604AB490C/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>
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