I think people overly concern themselves with numbers as it is. I don't care about the numbers, just the vape. So really, to me, no one method of adjustment is any better than another.
Is Temperature the Future of Digital Vaping?
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Still trying to wrap my head around this. As I see it you have 3 "states",
A - Too low temperature to evaporate liquid
B - Sufficient temperature to evaporate liquid
C - Upping the wattage beyond the bare minimum for evaporating liquid
Up to the evaporation point, you simply do not supply sufficient power for anything worthwhile to happen. Makes temperature control in this range completely redundant.
Once you reach evaporation temperatures, you're there. There is no more "controlling temperature". There is only maintaining temperature until you run out of liquid "coolant". You can run at higher wattages, but this does not change the temperature as long as the coil is liquid cooled. At this point, "temperature control" is no longer temperature control. It's current control. So what separates it from VV/VW in practical terms? The ability to fiddlenitpick ones way to the exact temperature at which you evaporate very little liquid?
... or have I got it all wrong? ... which would not surprise me at all
A - Too low temperature to evaporate liquid
B - Sufficient temperature to evaporate liquid
C - Upping the wattage beyond the bare minimum for evaporating liquid
Up to the evaporation point, you simply do not supply sufficient power for anything worthwhile to happen. Makes temperature control in this range completely redundant.
Once you reach evaporation temperatures, you're there. There is no more "controlling temperature". There is only maintaining temperature until you run out of liquid "coolant". You can run at higher wattages, but this does not change the temperature as long as the coil is liquid cooled. At this point, "temperature control" is no longer temperature control. It's current control. So what separates it from VV/VW in practical terms? The ability to fiddlenitpick ones way to the exact temperature at which you evaporate very little liquid?
... or have I got it all wrong? ... which would not surprise me at all
Still trying to wrap my head around this. As I see it you have 3 "states",
A - Too low temperature to evaporate liquid
B - Sufficient temperature to evaporate liquid
C - Upping the wattage beyond the bare minimum for evaporating liquid
Up to the evaporation point, you simply do not supply sufficient power for anything worthwhile to happen. Makes temperature control in this range completely redundant.
Once you reach evaporation temperatures, you're there. There is no more "controlling temperature". There is only maintaining temperature until you run out of liquid "coolant". You can run at higher wattages, but this does not change the temperature as long as the coil is liquid cooled. At this point, "temperature control" is no longer temperature control. It's current control. So what separates it from VV/VW in practical terms? The ability to fiddlenitpick ones way to the exact temperature at which you evaporate very little liquid?
... or have I got it all wrong? ... which would not surprise me at all
The vapor temperature can change. We know that from our own vaping experience. Its not different in that sense to what we have now, but would be a different way of measuring it and a different feedback system to control it. Some people may like it - talking about how their Cinamon juice tastes better at 32 degrees. If you see what I mean.
The other possibility is that we don't waste power - that would depend on the efficiency of it though.
Still trying to wrap my head around this. As I see it you have 3 "states",
A - Too low temperature to evaporate liquid
B - Sufficient temperature to evaporate liquid
C - Upping the wattage beyond the bare minimum for evaporating liquid
Up to the evaporation point, you simply do not supply sufficient power for anything worthwhile to happen. Makes temperature control in this range completely redundant.
Once you reach evaporation temperatures, you're there. There is no more "controlling temperature". There is only maintaining temperature until you run out of liquid "coolant". You can run at higher wattages, but this does not change the temperature as long as the coil is liquid cooled. At this point, "temperature control" is no longer temperature control. It's current control. So what separates it from VV/VW in practical terms? The ability to fiddlenitpick ones way to the exact temperature at which you evaporate very little liquid?
... or have I got it all wrong? ... which would not surprise me at all
So... somehow .... I don't know what you are thinking "controlling temperature" means if you think "maintaining temperature" is not controlling temperature. ??????????????????
What separates VT from VV and VW in practical terms?
Well with plain battery, you need to adjust your coil to the battery.
With VV, you can use whatever coil, and adjust voltage instead.
With VW, you set the power level, and now you don't need to adjust for different coils.
With VT, you adjust the temperature, and the coil heats up faster, but does not overheat, does not dry hit, does not burn out if the tank goes dry; you vape is at the right temperature regardless of ohms or wicking (and perhaps dual or single coil - depends on the method of VT used).
By definition, there's a limit to how hot a liquid can get before it evaporates. As long as there is liquid evaporating on your coil, the coil can't get hotter than the liquid. Coil heats liquid. Evaporation cools coil.
Say your liquid boils at 100 degrees and you set your desired coil temperature to 150 degrees. You have now created an impossible task for your temperature control. Temperature is no longer controlled by the atty, but by physics. You can't tell it to get hotter. You can only tell it to evaporate liquids at a faster rate. It goes from being variable temperature to variable voltage.
I get the part about no more dry hits when liquid runs out or you exceed wicking ability. That could be real handy for setups without visible liquid levels. Better yet, I'd want something to tell me when I'm at 50% liquid and 20% liquid. But that's another thread I guess
By definition, there's a limit to how hot a liquid can get before it evaporates. As long as there is liquid evaporating on your coil, the coil can't get hotter than the liquid. Coil heats liquid. Evaporation cools coil.
Say your liquid boils at 100 degrees and you set your desired coil temperature to 150 degrees. You have now created an impossible task for your temperature control. Temperature is no longer controlled by the atty, but by physics. You can't tell it to get hotter. You can only tell it to evaporate liquids at a faster rate. It goes from being variable temperature to variable voltage.
I get the part about no more dry hits when liquid runs out or you exceed wicking ability. That could be real handy for setups without visible liquid levels. Better yet, I'd want something to tell me when I'm at 50% liquid and 20% liquid. But that's another thread I guess
Ah; yes that's a good example; setting 150 degree for a liquid that boils at 100 degree would make the device run at full trottle;
Yes that would be an impossible task. (well- almost - it will overpower and dry the wick first which is undesirable)
What I would want of a temperature control device is in that case you set end up setting the temperature to 100 degree; or maybe 105 or something like that and the device, if cold, pumps power hard into the coil to bring it up to that temperature, but once it gets there, it just puts only enough power to - as you put it - "maintain temperature".
So once the wick is wicking more cool liquid and the temperature is being reduced by more liquid, the device tends to hold the power up to keep the temperature at the evaporating point; and if the wicking is too slow and not keeping up, the device reduces power, to keep the temperature constant.
absolutely important and futuristic. i have read threads from 2009 that suggested using temp to control vapor. imo, we are seeking to boil juice without scorching. the optimum boil point will vary with different liquids. i think the trick is for the coil/heater to heat quickly and level off at the desired temp setting. control of temp would be fantastic. however it is obtained, it won't be regulated by vape temp. i am thinking of kuerig coffee makers. it holds some preheated water and displays ready to brew. when you press the button it draws in more water and immediately starts dispensing your beverage. possibly, a device for vaping may hold some preheated juice and display ready to vape. only needing a bit more heat or ultrasonic to vaporize. possibly only needs release from a preheated/ pressurized chamber. i am very interested to see the results of a members testing on the effect of heat on nicotine. does strength break down from lengthy exposure to heat? i only use heat to help marry pg/vg with an ultrasonic cleaner and mag stir. when i am ready to bottle, i add flavor/nic and UC cold two 8 min. cycles. let sit 24hrs. ready to vape.
By definition, there's a limit to how hot a liquid can get before it evaporates. As long as there is liquid evaporating on your coil, the coil can't get hotter than the liquid. Coil heats liquid. Evaporation cools coil.
Say your liquid boils at 100 degrees and you set your desired coil temperature to 150 degrees. You have now created an impossible task for your temperature control. Temperature is no longer controlled by the atty, but by physics. You can't tell it to get hotter. You can only tell it to evaporate liquids at a faster rate. It goes from being variable temperature to variable voltage.
I get the part about no more dry hits when liquid runs out or you exceed wicking ability. That could be real handy for setups without visible liquid levels. Better yet, I'd want something to tell me when I'm at 50% liquid and 20% liquid. But that's another thread I guess
If you can read the coil temperature during a vape, (and you certainly could with Nichrome at least,) then you can control the vape very intelligently without the user having to set anything.
You could increase the power until adding more power didn't increase the temperature. That means that the coil is producing vapour. You could continue to increase power until the coil started to get hotter again. That's too far, so you back off until it's just back on the plateau. Now it's operating with maximum efficiency. When the liquid runs out, the plateau disappears and there's nothing to stop the temperature rising higher.
Once you've taken one puff, the PV knows the target temperature and the steady-state power and can get there quickly on each subsequent puff, just making small adjustments and checks to maintain an optimum vape as conditions change.
Man, I read through 23 pages with my checkbook out, and no luck. However, fascinating discussion, I think the argument that you can select temperature properly depending on the chemical makeup of your juice is pretty compelling, and probably indicates the future. Maybe, say, you could vape out the WTAs you want and not the ones you don't, say, if their boiling points were favorable.
Was following a couple of links looking at some mechanical mods and came across a temperature controlled vaporiser. Not for e-liquid tho - this is a herbal vaporiser:
Its the Arizer Solo. The buttons on the front are for each heat setting.
The heat level is set by simply selecting 1 of 7 different temperature settings. Temp settings range from 365-410 degrees F. Since it has a heating element its more like settings for a stove top. The "vaporiser" works differently to ejuice vaporisers, but perhaps something like this could be modded for the the coils we use.
Its the Arizer Solo. The buttons on the front are for each heat setting.
The heat level is set by simply selecting 1 of 7 different temperature settings. Temp settings range from 365-410 degrees F. Since it has a heating element its more like settings for a stove top. The "vaporiser" works differently to ejuice vaporisers, but perhaps something like this could be modded for the the coils we use.
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