New way to get that vital spark - Laser Ignition


	New way to get that vital spark - Laser Ignition

The Infowarrior

7-23-2009 11:18 AM

87 views

tags:

automotive engines, gasoline direct injection, laser ignition, fuel efficiency, reduced emissions

The Infowarrior says:

It is about time somone updated that aging tech we all rely on.

Long interesting article at source.

But I can't help thinking one question.

Soot? Or to be more accurate carbon build up.

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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/8ff8ce0d-d33f-43d1-a687-04b59ce7768f/65385F2A-138F-402B-9B42-9E6FB2AD8445/" 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.liv.ac.uk/researchintelligence/issue36/laserignition.htm" href="http://www.liv.ac.uk/researchintelligence/issue36/laserignition.htm" style="font-size: 11px;">www.liv.ac.uk</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.liv.ac.uk/researchintelligence/issue36/laserignition.htm"><H2 id="main_content_title">New way to get that vital spark</H2></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.liv.ac.uk/researchintelligence/issue36/laserignition.htm"><P class="introduction">The automotive industry is under ever-increasing pressure to increase fuel efficiency and reduce levels of harmful emissions. In principle, laser ignition offers the potential to deliver both; in practice, the combination of foreseeable problems and uncertainties involved in using a laser to power combustion in mass produced petrol engines has deterred most researchers. Recently, however, engineers at The University of Liverpool reported encouraging results, following a collaboration with Ford Motor Company and a laser manufacturer. </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.liv.ac.uk/researchintelligence/issue36/laserignition.htm"><P>This is good news from the perspective of dwindling oil reserves, but GDI won’t realise its full potential until there’s an alternative to the 90-year old technology we still rely on to ignite the fuel. Spark plugs impose severe constraints on our ability to achieve ultra lean burn by manipulating combustion: they ignite the charge in a fixed position, so they can’t cope with a stratified charge. </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.liv.ac.uk/researchintelligence/issue36/laserignition.htm"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.liv.ac.uk/img/8D109504-5836-4E22-8621-040883BB446A" alt="ND:Yag laser" /></div></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.liv.ac.uk/researchintelligence/issue36/laserignition.htm"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.liv.ac.uk/img/E6F908E4-F2DD-4F44-853B-39C74BC5E10E" alt="A laser beam angled down through the optical plug below the aperture and into the research engine&rsquo;s single cylinder" /></div></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.liv.ac.uk/researchintelligence/issue36/laserignition.htm"><P><BR />Test results</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.liv.ac.uk/researchintelligence/issue36/laserignition.htm"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.liv.ac.uk/img/3E9B8BCC-E357-46F6-8680-C299320E9AC1" alt="Firing a laser beam through the optical spark plug produces a bigger and more intense spark (top) than a conventional spark plug connected to a high-tension lead (bottom). Right: This can be seen much more clearly when photographed in the dark. " /></div></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.liv.ac.uk/researchintelligence/issue36/laserignition.htm"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.liv.ac.uk/img/5D966823-1D16-412D-992E-D8EC841D6FBC" alt="Firing a laser beam through the optical spark plug produces a bigger and more intense spark (top) than a conventional spark plug connected to a high-tension lead (bottom). Right: This can be seen much more clearly when photographed in the dark. " /></div></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;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/65385F2A-138F-402B-9B42-9E6FB2AD8445/blog/" title="blog or email this clip"><img src="http://content6.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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