Re: [Stoves] Pot size influences performance

Wed, 27 Jun 2012 05:16:42 -0700

Crispin,

Interesting.  Points out the need to study more about high heat vs low heat cooking.

Large pots with large tops can lose much more heat than small pots with small tops (especially when there is no lid). 

Paul
Paul S. Anderson, PhD  aka "Dr TLUD"
Email:  [email protected]   Skype: paultlud  Phone: +1-309-452-7072
Website:  www.drtlud.com
On 6/26/2012 10:57 AM, Crispin Pemberton-Pigott wrote:

Dear Friends

 

I just clipped this chart, Figure 10, from 20100202 DUE Heterogeneous testing Robinson Makonese Pemberton-Pigott and Annegarn.pdf which is in the list of documents at http://www.newdawnengineering.com/website/library/SeTAR%20Centre/

 

It shows something unusual about a stove cooking with two different pots (not at the same time). The thermal efficiency is almost always better for a large pot than a smaller one, but this is not always the case. Assume nothing.

 

 

The thermal efficiency of the small pot was higher on low power than the large one, and the reverse was true at higher power. Low power flames can be very unstable to don’t read too much into this, other than make no assumptions – test the combination (stove+fuel+pot) to find out what the performance actually is.

 

Regards

Crispin

 



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