two ignition ideas

Jim Zurlo zurlo at execpc.com
Thu Aug 6 13:45:58 GMT 1998


It's been done before.  Someone at GM ran a single cylinder CFR engine
using laser ignition.  I can't remember what type of laser was used, but
you could check it out by getting SAE paper 780329.
Jim Z.


>>Second, something made me think that it would be clever/cool to use
>>short-wave UV light to ignite the charge. It generates ozone, after all,
>>which ought to ignite things nicely. I'm not sure how you'd make part of
>>the cylinder head transparent (a quartz glass plug?), or how you'd
>>generate the UV pulses reliably. (Some kind of solid state laser is
>>probably the only thing reliable enough that I can think of. Are there
>>long-life UV flashlamps?)  A drawback or benefit is that the charge would
>>no longer be ignited from a single point, but rather a whole region would
>>be ignited. You could control this somewhat by altering how the light
>>shines through the port in the head. Would it be good or bad to have the
>>whole charge ignite at once? 





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