Hi stovers,
The debate on the role of secondary air both for natural draft and forced draft
has been raging for quite some time now. Obtaining secondary air in pre-heated
form has been the research area for me in the laboratory for the past few
weeks. However, one conclusion I obtained was that secondary air if not
pre-heated would have the tendency to put off the fire by blowing in cold air.
Hence my question is:
What is the role of secondary air for wood burning stoves ? Is there an optimum
gap for the secondary air to travel between the jackets of the combustion
chamber before ejecting out into the combustion chamber ? How does this effect
the performance of the cookstove ? I know a few cookstoves which have secondary
air concept included and which seemed to decrease the CO and PM up to some
extent.
What is the role of secondary air for charcoal burning stoves ? Quoting Crispin
"Secondary air is necessary to burn charcoal in a low O2 environment at a high
temperature." How does this effect the performance of the charcoal cookstove?
Waiting for the responses.
Cheers
Sarbagya Tuladhar
Pondicherry, INDIA
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