halogen atomisers
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I've thought about that, Quartz, halogen, ceramic. unfortunately can't seem to find something that small.
Lasers could work, I've Once used a laser out of a DVD burner to heat up some stuff but the object needs to be black to absorb all of the energy, and it didn't get really hot.
Lasers could work, I've Once used a laser out of a DVD burner to heat up some stuff but the object needs to be black to absorb all of the energy, and it didn't get really hot.
There's a site called Wicked Lasers that sells lasers powerful enough to accomplish this feat, unfortunately it costs about $1700 to buy one
DealExtreme has lots of really inexpensive lasers that cannot be sold and shipped in the U.S., but can be purchased elsewhere. It would require a redesign of the e-cig, but a laser heater for a lump-type atomizer might solve a lot of problems. Fraught with dangers, however. If anyone could do it, Trog could.
I doubt laser technology is likely to provide any reasonable solution soon. I have a powerful laser hand held device (about twice the size of a fountain pen) that shines for miles (and has documentation that warns that the beam can cause heating. You'd need to be damned cold to notice!).
I use the laser as a safety device on my boat - it can signal my presence in fog and can act as a locational aid if I get in trouble. I can think of many reasons why some countries might prohibit these devices; eg, my one can track a plane coming in to land.
I'm damned sure the thing won't cause enough heat to be an alternative to a atomiser.
I use the laser as a safety device on my boat - it can signal my presence in fog and can act as a locational aid if I get in trouble. I can think of many reasons why some countries might prohibit these devices; eg, my one can track a plane coming in to land.
I'm damned sure the thing won't cause enough heat to be an alternative to a atomiser.
Check the videos linked from DealExtreme on a laser lighting birthday cake candles and instantly popping balloons. It depends on the laser and the focus. If the intensity were focused on an atomizer, it could heat in a split-second. The dangers would come from poor design or a malfunction.
There are plenty of things we could use. I recently found the advent of a microhotplate, which can reach 350c. unfortunately this technology is not avialable commercially. The problem is that we cannot find anything in this small package.
DC - perhaps you've a point and a lens could make a difference. I'll not be trying it - at short range the light causes spots on your eyes just looking at the laser dot but perhaps a highly engineered lens could cause heat. I do know that the laser is very heavy on batteries.
I'll have a look at DealExtreme as TB suggests but I really doubt lasers are an answer.
I'll have a look at DealExtreme as TB suggests but I really doubt lasers are an answer.
At the end of the day, a laser is basically just light. It requires a massive amount of power to get the laser to get hot enough to heat something, which is why an etching/cutting laser is thousands of dollars while a laser pointer is $15.
Probably the best "cheap" source of a hot laser I can think of would be a laser printer.
Probably the best "cheap" source of a hot laser I can think of would be a laser printer.
Current e-cig atomizers consume at least 2 watts when heating. Most of that energy is released as heat and some as magnetic field. Some of that heat goes to waste. 200mW laser costs about $120 at dx. So laser would have to be 10 times more effective at generating vapor than regular coil to even make that work. Sure you could probably make it generate vapor by focusing but it wont generate enough vapor to be useful. Coils are so effective at heating so seems sort of pointless trying to find other ways of heating. So that leaves vibration as the only potential way of making vapor as far as I can see.
You're right. Just because something might could be done doesn't make it practical or financially feasible. We have a working, inexpensive way of creating exactly the right amount of vapor. Who knows what future technology holds, but at this moment the vibrating atomizer rules.
It's not a vibrating atomizer. it's nichrome wire coil. heats up through means of resistance vs voltage vs current. It would be possible to use a micro ultrasonic transducer but i haven't found one small enough and that is water proof.
The current standard issue atomizer is a piezoelectric conductor. I'll edit in the link after some searching of another thread that discusses this. It is in essence a vibrator, like TB stated.
Edit: Here's the thread:
http://www.e-cigarette-forum.com/fo...uyan-cartridge-safety-report-21-oct-08-a.html
Here's what I posted:
Edit: Here's the thread:
http://www.e-cigarette-forum.com/fo...uyan-cartridge-safety-report-21-oct-08-a.html
Here's what I posted:
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Borrowed from Wikipedia:
Piezo electric effect converts electricity to mechanical motion, or mechanical motion to electricity. Nichrome wire converts electrical energy into heat energy. it's a big difference. with piezoelectricity you can atomize the liquid with little residual heat.
Piezo electric effect converts electricity to mechanical motion, or mechanical motion to electricity. Nichrome wire converts electrical energy into heat energy. it's a big difference. with piezoelectricity you can atomize the liquid with little residual heat.
Should of said: "So that leaves vibration as the only other potential way of making vapor as far as I can see."
PIEZO CERAMIC TRANSDUCER 2.8MHz15RRA MIST GEN - eBay (item 7534010958 end time Nov-07-08 07:21:10 PST)
Shipping that to EU safely costs too much so wont be trying that one myself.
That should vaporize about 0.5ml/min while 3*15/60*0.1 = 0.075000ml/min seems enough for e-cigs. 3 seconds per puff, 15 puffs per cig and 0.1 ml per cig. So it potentially could generate 0.5/0.075000=6.6667 times the vapor actually needed. Half that and round to 3 since it obviously will not work as well as it did in the lab. Supply voltage was +- 24V so 24/3=+-8 should be about right in theory.
PIEZO CERAMIC TRANSDUCER 2.8MHz15RRA MIST GEN - eBay (item 7534010958 end time Nov-07-08 07:21:10 PST)
Shipping that to EU safely costs too much so wont be trying that one myself.
That should vaporize about 0.5ml/min while 3*15/60*0.1 = 0.075000ml/min seems enough for e-cigs. 3 seconds per puff, 15 puffs per cig and 0.1 ml per cig. So it potentially could generate 0.5/0.075000=6.6667 times the vapor actually needed. Half that and round to 3 since it obviously will not work as well as it did in the lab. Supply voltage was +- 24V so 24/3=+-8 should be about right in theory.
Wrap wire or flixible flatfoil heating element around ceramic wick which protrudes directly out of sealed and refillable fluid cartridge.
Or maybe a piece of a fishtank airstone might do the job.
Ceramic wicks
www DOT hung-hsin DOT com DOT tw/images/E_B10 DOT htm
Or maybe a piece of a fishtank airstone might do the job.
Ceramic wicks
www DOT hung-hsin DOT com DOT tw/images/E_B10 DOT htm
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A DVD burning laser is very cheap. There are videos on YouTube of people using one from an old DVD to burn stuff. Might be worth reconsidering this as a long-lasting alternative to nichrome wire as an atomiser heating element.
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