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Home > Visual / Audio Mods > Exterior Styling > How do HIDs work?? pics...

How do HIDs work?? pics...

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rrimportracer
California, US
  • Godlike Advisor
 Well since web asked for useful info on how things, work, what they are, so on, i decided to do some research on hids, and heres what i came up with also from howstuffworks.com

Quote:
* Halogen lights
* Gas camping lanterns (the kind with mantles)
* Lasers
* Fluorescent lights
* Electroluminescent panels

All of these technologies excite atoms so that they produce photons. In the case of halogen bulbs and gas lanterns, heat is doing the exciting. In other technologies it is various forms of electricity or light that create the excitement.

Most cars currently use halogen bulbs in their headlights. The new blue-ish headlights are using a different technology called High Intensity Discharge (HID). We normally see HID lamps in the form of mercury vapor and sodium vapor lights used as street lamps and as outdoor lighting for stadiums. These lamps are popular because they are efficient. In the case of sodium vapor, they are twice as efficient as normal fluorescent bulbs.

Mercury and sodium vapor lamps produce light using a technique similar to that used in fluorescent lamps. In fluorescent lamps a low-pressure mercury vapor produces lots of ultraviolet light that excites a phosphor coating the tube. In the case of mercury vapor lamps, it is a high-pressure gas, the distance between the electrodes is very short and the light is produced directly without the need for the phosphor.

In the case of HID headlights, the same high-pressure technology is used. The lamp is similar to a mercury vapor lamp. However, designers of the headlights had to solve one problem with normal mercury vapor lamps -- the fact that they have long start-up times. Xenon helps solve the start-up problem, as does a special controller. All of these tricks mean that these headlights are expensive now, but mass production should bring the cost down eventually.


Quote:
Xenon Headlights
Also known as "high-intensity-discharge (HID)" and "bi-xenon" headlights. Standard on some vehicles and optional on others, they provide a brighter and more effective beam. On a few vehicles, the headlights can move laterally in concert with the steering wheel to illuminate the road ahead even in a curve.









myspace.com/asphalt_photos check us out!!!
[#] Mar 06, 2007 12:32pm
Web
Maryland, US
  • THE SHADOW
 Sticky in Exterior Styling.


When we get our new site up and running, all news articles will go into one general areas along with FAQs.


Complaining is futile when you supported the victory.
http://clubsciontc.com/fo...-rims--5x100-pattern.html
[#] Mar 06, 2007 12:42pm
rrimportracer
California, US
  • Godlike Advisor
 i looked at orins and i thought i should put it in the same spot, lol cant wait to get the new server running, we need a new web layout


myspace.com/asphalt_photos check us out!!!
[#] Mar 06, 2007 12:52pm

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