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I have a great idea for a vape that, instead of a heating element, uses a high power laser to heat the oil. In this way there is no byproduct from the heating o

I have a great idea for a vape that, instead of a heating element, uses a high power laser to heat the oil. In this way there is no byproduct from the heating of the coil in the vapor.

function_seven 7y ago
How will the laser achieve the Leidenfrost Effect[1] that’s necessary to atomize the liquid into droplets? [1] https://en.wikipedia.org/wiki/Leidenfrost_effect https://en.wikipedia.org/wiki/Leidenfrost_effect
- iamleppert 7y ago
  Using a piezo electric element to rapidly create a stream of liquid droplets between two apertures, where the gap in the middle an IR laser is focused to evaporate each drop at the rate they are coming from the transducer. It’s possible to use IR laser light to evaporate water droplets without contact with a surface. See: https://www.usna.edu/MechEngDept/_files/documents/brownell_files/ICTAM%2016.pdf https://www.usna.edu/MechEngDept/_files/documents/brownell_f... but there are many other documented experiments.
  - function_seven 7y ago
    The main component of "vapor" from e-cigarettes is the atomized liquid, not a gas. The laser would create extremely hot gasses that would not be pleasant to inhale. (Boiling point of propylene glycol is over 300°F, and glycerol is even higher.) There have been attempts to use a piezo element to create vapor without using a hot coil, but as far as I know, the results are not nearly as effective as the coil-and-wick method.
- logfromblammo 7y ago
  Not sure that's actually necessary. Ultrasonic/cavitation humidifiers create water droplet mists without a heated element. A piezoelectric ultrasonic transducer membrane vibrates faster than the speed of sound in water, and cavitation bubbles form that throw mist droplets into the air when they implode at the surface. Propylene glycol (0.042 Pa-s) and glycerin (1.412 Pa-s) are more viscous than water (0.001 Pa-s). But glycerol is essentially non-volatile below 310K, and the vapor pressure of propylene glycol is less than 1% that of water. But if you're not depending on heat-vaporizing the carrier solution, you could add water to make it cold-mistable by ultrasonic cavitation. Both of the usual bases are miscible in water. Your cold-mist e-juice would not be compatible with regular vaporizers. Maybe an impeller recirculating the fluid through a venturi could also lower the local pressure enough to help induce cavitation. I'm not sure how a laser would help, though.
deleted 7y ago
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liability 7y ago
Maybe a better invention would be a device that fires a high-power laser beam directly into the eyes of anybody who tries to 'innovate' in the addictive substance industry.
- iamleppert 7y ago
  Better blind all the Facebook, Instagram, & Twitter employees then. I’m pretty sure my right hand is going numb from clutching my phone all day...
- Smithalicious 7y ago
  Virtually anything that is enjoyable is potentially addictive. Trying to police the "addictive substances industry" will very quickly turn you into the fun police.
  - liability 7y ago
    Do I get a badge?
- goatlover 7y ago
  Caffein is also addictive. So are video games.
- averros 7y ago
  Nah, I'd rather use high-power laser to slice off heads of people who are so full of themselves that they think they have a moral right to force others to live their idea of ideal society. This kind of sanctimonious idiocy is quite addictive and way more deadly than all addictive substances together - as evident from 200 or so millions murdered in 20th century by the warriors for the Progress.

I have a great idea for a vape that, instead of a heating element, uses a high power laser to heat the oil. In this way there is no byproduct from the heating of the coil in the vapor.

function_seven 7y ago

How will the laser achieve the Leidenfrost Effect[1] that’s necessary to atomize the liquid into droplets? [1] https://en.wikipedia.org/wiki/Leidenfrost_effect https://en.wikipedia.org/wiki/Leidenfrost_effect

iamleppert 7y ago
Using a piezo electric element to rapidly create a stream of liquid droplets between two apertures, where the gap in the middle an IR laser is focused to evaporate each drop at the rate they are coming from the transducer. It’s possible to use IR laser light to evaporate water droplets without contact with a surface. See: https://www.usna.edu/MechEngDept/_files/documents/brownell_files/ICTAM%2016.pdf https://www.usna.edu/MechEngDept/_files/documents/brownell_f... but there are many other documented experiments.
- function_seven 7y ago
  The main component of "vapor" from e-cigarettes is the atomized liquid, not a gas. The laser would create extremely hot gasses that would not be pleasant to inhale. (Boiling point of propylene glycol is over 300°F, and glycerol is even higher.) There have been attempts to use a piezo element to create vapor without using a hot coil, but as far as I know, the results are not nearly as effective as the coil-and-wick method.
logfromblammo 7y ago
Not sure that's actually necessary. Ultrasonic/cavitation humidifiers create water droplet mists without a heated element. A piezoelectric ultrasonic transducer membrane vibrates faster than the speed of sound in water, and cavitation bubbles form that throw mist droplets into the air when they implode at the surface. Propylene glycol (0.042 Pa-s) and glycerin (1.412 Pa-s) are more viscous than water (0.001 Pa-s). But glycerol is essentially non-volatile below 310K, and the vapor pressure of propylene glycol is less than 1% that of water. But if you're not depending on heat-vaporizing the carrier solution, you could add water to make it cold-mistable by ultrasonic cavitation. Both of the usual bases are miscible in water. Your cold-mist e-juice would not be compatible with regular vaporizers. Maybe an impeller recirculating the fluid through a venturi could also lower the local pressure enough to help induce cavitation. I'm not sure how a laser would help, though.

deleted 7y ago

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deleted 7y ago

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liability 7y ago

Maybe a better invention would be a device that fires a high-power laser beam directly into the eyes of anybody who tries to 'innovate' in the addictive substance industry.

iamleppert 7y ago
Better blind all the Facebook, Instagram, & Twitter employees then. I’m pretty sure my right hand is going numb from clutching my phone all day...
Smithalicious 7y ago
Virtually anything that is enjoyable is potentially addictive. Trying to police the "addictive substances industry" will very quickly turn you into the fun police.
- liability 7y ago
  Do I get a badge?
goatlover 7y ago
Caffein is also addictive. So are video games.
averros 7y ago
Nah, I'd rather use high-power laser to slice off heads of people who are so full of themselves that they think they have a moral right to force others to live their idea of ideal society. This kind of sanctimonious idiocy is quite addictive and way more deadly than all addictive substances together - as evident from 200 or so millions murdered in 20th century by the warriors for the Progress.