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tailbiter 11-25-2012 05:17 PM

Calculating air velocity within an oven
 
Does anyone happen to know how a person can calculate the velocity of airflow within an oven? From what I understand several variables would be needed such as external temp, and the length/width of the stack, etc..

I've got a friend of mine that can build a virtual model in CAD so simulate air flow, but I need to understand the velocity in inches per second that air would be moving out of the heat source.

My apologies if my information is incomplete.. I'm trying to figure out how to get started with some kind of algorithm. Any pointers appreciated.

Thanks

Eric

Tscarborough 11-25-2012 05:26 PM

Re: Calculating air velocity within an oven
 
The question is not quite like asking how to design the cooling systems for a nuclear reactor, but the difficulties would be along the same lines. Kind of like if you have to ask, ?!

Laurentius 11-25-2012 06:42 PM

Re: Calculating air velocity within an oven
 
Are you an engineering student trying to use this forum as your cheat sheet? Shame on you, this forum is dedicated for those in pursuit of a functioning WFO.

brickie in oz 11-25-2012 11:30 PM

Re: Calculating air velocity within an oven
 
Quote:

Originally Posted by tailbiter (Post 142183)
Does anyone happen to know how a person can calculate the velocity of airflow within an oven?

Why? :confused:
Although it is ignorant of the air velocity my food cooks very well. :rolleyes:

Laurentius 11-26-2012 01:57 AM

Re: Calculating air velocity within an oven
 
Hey Al, Get your head out of your oven its impeding the velocity of airflow over that pizza!

shuboyje 11-26-2012 07:48 AM

Re: Calculating air velocity within an oven
 
I dabble in CFD enough that I can tell you without an accurately simulated fire your airflow results will be meaningless.

jeeppiper 11-26-2012 12:28 PM

Re: Calculating air velocity within an oven
 
I am a seasoned aerodynamicist (i.e. Im getting old), and I can tell you that that there are too many variables involved in the combustion process and that the flow is too hugely complex to conclude anything that is meaningful. CFD is a great tool only if you have meaningful input. Otherwise, garbage-in = garbage-out.

My advice....download the FB plans and start laying bricks...soon you will be eating delicious pizzas and you wont care about the flow velocity anymore.


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