Tuesday, November 6, 2012

Lasers Ignition Technology in car engines

Since the first days of the combustion engine, spark plugs have offered the key source for the air/fuel combination. Over the years, spark plugs have gotten small, and the use of unique materials in their electrodes has prolonged connect life to 100,000 kilometers or more. But spark plugs still have a conductive center electrode enclosed by an insulator, and one or more electrodes at the tip. Ignition still happens as a result of a large voltage, ignites getting the gap between the electrodes.

Laser Ignition Controlled Engines

Laser in on Spark Plug Technology

Eliminating the spark plugs and predicting a high-power laser device into the burning chamber starts up a whole new world of opportunities. With a laser device, ignition happens when the energy in the laser device smashes down (ionizes) air elements resulting in them to produce a “plasma release.” The hot plasma lights the air/fuel combination without actually developing a spark. The plasma release happens very easily, taking only 10 to 100 nanoseconds (a nanosecond is one billionth of a second!). A traditional ignite, by evaluation, generally continues 0.8 to 1.2 milliseconds (a nanosecond is one thousandth of a second).

ND-YAG Laser Spark

Merits of Laser Technology in car engines:

The main merit of laser system is that the beam can be directed to any side of the chamber. Thus the ignition point can be directed for the most important burn. The fuel usage, power and emission can be maintained by directing flame kernel towards the middle of the chamber. By using this laser system no electrodes are needed to ignite spark in the engine of the car. The next merits of using it in the car system is that more small combination of fuel/air can be used. It has open merits for fuel economy and emissions. It works more efficiently than spark system.

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