Effects of venturi length on combustion characteristics on inshot burners
Conference
·
OSTI ID:435623
- Univ. of Oklahoma, Norman, OK (United States). School of Aerospace and Mechanical Engineering
An experimental study of the changes caused in the flame structure and pollutant emission characteristics by the modifications of the primary-air venturi of an inshot burner used in residential natural gas furnaces is presented. The venturi modification examined in this study are the shape of the venturi inlet, and the venturi length. Modified venturi with curved inlets produce higher primary-air entrainment and slightly smaller (by 5 to 10%) emission indices of NOx and CO than the standard parallel side venturi. However, the changes in the venturi length for the modified geometry do not result in significant further changes.
- Sponsoring Organization:
- Gas Research Inst., Chicago, IL (United States)
- OSTI ID:
- 435623
- Report Number(s):
- CONF-960805--
- Country of Publication:
- United States
- Language:
- English
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