Question on Stove Temp

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woodmakesheat said:
Pics or it didn't happen! I could try that although the flame gets instantly lazed out when I open the door. Also, with the lack of fresh cool air drawn across the flame might effect it's temperature. What reading do you get through the glass?
Click to expand...
Not enough hands for a pic. See above for glass temp. Tried it again. Glass 403::F steel inside 638::F way less flame tho.

EDIT: Just for fun shot some ash build on the heat exchanger. Almost identical to the glass.
 
CladMaster said:
When set right and with all things works as they should in the stove, most stoves can reach over 600F on it's highest setting.

My 25-PDVC on 9/8 inside the firebox can and has reached 610F as measured with my IR gun through the window.

My Ashley AP5660 on 5 (max setting) has reached over 630F. -- Burn pot glows red at this temp as shown in the picture below.

View attachment 150618

These readings may not be exact with the IR gun, I just use the readings as a ref point when checking the stoves performance and when I feed it new / never used pellets.

The outer casing of the flue has never got / gone above 300F before going out the wall.
Click to expand...
Steel turns red at around 1000deg F depending on makeup.
 
Took this snapshot about 5 minutes ago, stove is on max setting (5).


IMG_1447.JPG


There is no way I am opening the door while it's burning like this !
 
F4jock said:
Not enough hands for a pic. See above for glass temp. Tried it again. Glass 403::F steel inside 638::F way less flame tho.

EDIT: Just for fun shot some ash build on the heat exchanger. Almost identical to the glass.
Click to expand...

I guess the correct term is transmittance for the percentage of light energy that passes through the glass (at a given frequency.) ;em I like my invented word better - emissivity/transmissivity just sounds better. ==c Some brands of wood stove glass allow a lot of IR to pass through, others not so much. I'm pretty sure it's a lot less than 90% based on your measurements.
 
woodmakesheat said:
I guess the correct term is transmittance for the percentage of light energy that passes through the glass (at a given frequency.) ;em I like my invented word better - emissivity/transmissivity just sounds better. ==c Some brands of wood stove glass allow a lot of IR to pass through, others not so much. I'm pretty sure it's a lot less than 90% based on your measurements.
Click to expand...
At least in my case. In taking the measurements I tried to shoot the same spot on the steel with the door open as I did through the door glass.
 
F4jock said:
At least in my case. In taking the measurements I tried to shoot the same spot on the steel with the door open as I did through the door glass.
Click to expand...

I'm gonna try this later with my Flir. Nice thing with that is I can take snapshots and post them :)
 
F4jock said:
I need two hands with mine. Let me see what I can do.
Click to expand...

Looks like I wont be posting anything, apparently my IR camera tops out at 662 ::F.
 
F4jock said:
I just shot 818::F with door open.

...BTW glass was 454::F at that time.
Click to expand...

Hmmm so whats that mean if I shoot the glass and it is over 800? :eek: Mine seems to hit that on max.
 
F4jock said:
Shoot the inside and find out.
Click to expand...
Next time I get it up to full load I'll try doing that. However mine is in limp mode right now until I clean it out. Can't even get enough air through it to burn properly on a 1 setting. Next day off I have from work I'll do a deep cleaning, for now I'm relying on my wood stove.
 
OhioBurner© said:
Next time I get it up to full load I'll try doing that. However mine is in limp mode right now until I clean it out. Can't even get enough air through it to burn properly on a 1 setting. Next day off I have from work I'll do a deep cleaning, for now I'm relying on my wood stove.
Click to expand...
You don't have to wait until then. You'll still see the delta T.
 
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