VG and dripping

[chocotaco]

Originally Posted by SLDS181

I think you need to go back to studying your texts. Black body radiation wavelength references a very specific phenomenon, where no radiation passes through or is reflected.

My mistake - you aren't confusing two similar and related terms with each other. There is no such phenomenon as I described. Thermographic cameras work by magic rather than by measuring this mythical "black body radiation" that I made up. A piece of metal glowing orange is actually quite cool - obviously this is the case in my atomizer's heating element, because otherwise the surface temperature of that tiny piece of metal would be transferred to my fingers with magical 100% efficiency, burning them clear off! It would also instantly heat the air to the same temperature, scorching my lungs into oblivion and setting my body ablaze - because there is no such thing as specific heat capacity, and whoever decided that air has an extremely low thermal conductivity was clearly a nutjob like myself. You are an expert in the natural sciences, and you've undoubtedly researched the relevant terms thoroughly before correcting my confused ramblings.

I withdraw both of my utterly nonsensical posts. Go flood your atomizer with glycerin and vape the **** out of it.

Or, for ****s and giggles, let's say that I'm not just a crazy guy. First let's calculate whether it's even theoretically possible to raise the heating element to such temperatures with the available power.

I know for a fact that my atomizer can draw at least 5.25 V at approximately 0.5 A from my USB port. P = IV = 2.63W = 2.63 J/sec. This is enough power to heat 1/100 gram of nichrome (with a specific heat capacity of 0.45 J/g*C) by 700 degrees C in under two seconds:

(0.45 J/g*C) (0.01g) (700 C) = 3.15 J

Of course, this wouldn't happen with complete efficiency, but nevertheless I don't see it as completely ridiculous that a tiny piece of nichrome could heat up that much with a few watts going through it during a five to seven second draw. Unless you think your heating element is much more massive than that. Feel free to rip apart your atomizer and weigh it.

Calculating whether a heating element that hot would annihilate my fingers and lungs takes some integration which I can't illustrate in a forum post. I'll explain it in simple terms - the mass and surface area of the heating element is very low. The thermal conductivity of air (the rate at which heat flows into it due to a temperature gradient) is also very low. The amount of time that the atomizer remains at such a temperature is also pretty low. So no, I don't think it's completely ridiculous that the atomizer could reach 700-some-odd degrees for a second and not injure me.

Anyway. Whatever. Do whatever you want. I was just trying to warn people to be careful about using these devices in ways that they weren't designed to be used. Using consumables that they weren't necessarily designed to be used with. I really wasn't trying to claim that anyone is going to drop dead or start a panic. You're kind of a typical "internet armchair smart guy" and I guess I shouldn't let you get to me. But when you obviously took 5 seconds to look up the wrong term on wikipedia or google and then publicly call me a moron based on that, it ticks me off just a bit.

Originally Posted by SLDS181

Do you have any idea how hot 730 degrees Celsius is?

Yes.

Originally Posted by SLDS181

Did you read any of the studies done which state - quite explicitly - the temperatures achieved when using a PV?

Yes. If you have a study where someone directly measured the temperature of the heating element (a very tiny and specific component of the atomizer) in a variety of models, I would absolutely love to see it.

Sigh.

[stevo_tdo]

The atomizer acts as a resistor itself, and you are not taking into the account that proper juice saturation and airflow when inhaling reduces the temperature further.

[SLDS181]

Originally Posted by chocotaco

My mistake - you aren't confusing two similar and related terms with each other. There is no such phenomenon as I described.

*sigh*

Get your terminology correct, and try again.

These get nowhere near 730 degrees centigrade. (In case you weren't aware.... thats about the melting point of nichrome.)

Stop it.

[chocotaco]

Originally Posted by SLDS181

*sigh*

Get your terminology correct, and try again.

These get nowhere near 730 degrees centigrade. (In case you weren't aware.... thats about the melting point of nichrome.)

Stop it.

Again you have no idea what you're talking about. I can't post external links because I'm a noob, but here's an easy one: Look up this ENTIRE TERM "Black body radiation" on wikipedia. It will describe EXACTLY what I said.

730C is nowhere NEAR the melting point of nichrome (>1400C).

Look, this isn't even about acrolein anymore. I couldn't care less what you do to yourself. I just want you to get it through your thick head that when metal GLOWS A SPECIFIC COLOR from heating, you can DETERMINE ITS TEMPERATURE from that. I know children that know this fact. Please just learn it and shut up. And stop quoting "facts" that you made up on the spot. Jeez.

[SLDS181]

Originally Posted by chocotaco

Again you have no idea what you're talking about. I can't post external links because I'm a noob, but here's an easy one: Look up this ENTIRE TERM "Black body radiation" on wikipedia. It will describe EXACTLY what I said.

You said it had a black body radiation wavelength, with a period. As in, the phenomenon of a theoretical pure black body.

I know what you're saying, and I'm just telling you that you phrased it incorrectly.

Originally Posted by chocotaco

730C is nowhere NEAR the melting point of nichrome (>1400C).

This is true, you're right - for some reason I was thinking farenheit instead of celsius. I blame lack of food at lunch time, now rectified.

This still doesn't change the fact that the coil and the atomizer are not getting that hot, that acrolein has a very obvious smell. Acrolein causes IMMEDIATE harm to your body in very small amounts. If VG was being heated up as much as you are suggesting, the results would be obvious.