Lasers instead of spark plugs - Chicagoland Sportbikes
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post #1 of 11 (permalink) Old 04-24-2011, 08:04 PM Thread Starter
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Lasers instead of spark plugs

This is pretty cool...



Car engines could soon be fired by lasers instead of spark plugs, researchers say.

A team at the Conference on Lasers and Electro-Optics will report on 1 May that they have designed lasers that could ignite the fuel/air mixture in combustion engines.

The approach would increase efficiency of engines, and reduce their pollution, by igniting more of the mixture.

The team is in discussions with a spark plug manufacturer.

The idea of replacing spark plugs - a technology that has changed little since their invention 150 years ago - with lasers is not a new one.

Spark plugs only ignite the fuel mixture near the spark gap, reducing the combustion efficiency, and the metal that makes them up is slowly eroded as they age.

But only with the advent of smaller lasers has the idea of laser-based combustion become a practical one.

http://www.bbc.co.uk/news/science-environment-13160950
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post #2 of 11 (permalink) Old 04-24-2011, 08:11 PM
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post #3 of 11 (permalink) Old 04-24-2011, 08:26 PM
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This is pretty cool stuff.

aut cum scuto aut in scuto

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post #4 of 11 (permalink) Old 04-24-2011, 08:33 PM
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What happens when the lens gets dirty?

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post #5 of 11 (permalink) Old 04-24-2011, 08:55 PM

 
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Hmm??

read up on how the flame front is the issue.

Does it change the flame front with more than one ignition point?

The thing about a 2 dollar part that has not changed in 100 years.How much will these cost and in the end will they be better?

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post #6 of 11 (permalink) Old 04-24-2011, 10:33 PM
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^^^^ This. A good chamber design will overshadow any improvement in ignition technology. Multiple ignition points help, but only under certain conditions, otherwise all cars would have dual plugs.
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post #7 of 11 (permalink) Old 04-24-2011, 10:43 PM

 
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I wonder if the laser company designed the perfect test chamber as to compare with the standard efficiency numbers.

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post #8 of 11 (permalink) Old 04-25-2011, 12:15 AM
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Quote:
Originally Posted by Richfiero View Post
What happens when the lens gets dirty?
this will be the biggest issue for adpotion i think

-Jason
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post #9 of 11 (permalink) Old 04-25-2011, 12:26 AM
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Now auto manufacturers will put plugs in a more asshat place. Ever change plugs on a '02 Camaro?
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post #10 of 11 (permalink) Old 04-25-2011, 09:20 AM
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Screw this, I'm waiting for the invention of the laser-toothpick.

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Noodles accepts no liability for the content of this post, or for the consequences of any actions taken on the basis of the information provided, unless that information is subsequently confirmed in writing. Any views or opinions presented in this post are solely those of the author and do not necessarily represent those of Noodles.
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post #11 of 11 (permalink) Old 04-26-2011, 03:10 AM
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Won't need spark plugs in your electric car don'tcha know. "They" say $400.00 a gallon gas buy next summer.

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