Prediction of the operating range of a natural gas fired, fan-assisted, atmospheric burner combustion system
- American Gas Association Research Div., Cleveland, OH (United States). Research and Development Div.
The purpose of this study is to provide a method for the prediction of the performance range of a fan-assisted atmospheric burner combustion system with the change of elevation and gas composition. Gas appliance`s efficiencies have increased in recent years in response to consumer`s desires for energy savings. The high efficiency gas appliances normally employ fan-assisted atmospheric burner combustion systems, instead of the traditional design which relied on natural buoyancy to drive the combustion products through the heat exchanger. In this study, Acceptable Range of Operation (Acceptable Range) was defined and used to determine the performance range of the fan-assisted combustion system. Because the Acceptable Range of a fan-assisted atmospheric burner consists of a Lower Limit and a Higher Limit, a semi-empirical model was established to predict the effect of the gas composition and elevation changes on the shifting of Higher and Lower Limits. The results of the analysis were confirmed by experiments in the Canadian Gas Association High Altitude Chamber and by field test in the Rocky Mountain area. This study provides technical information to the manufacturers for the prediction of the operating range for fan-assisted atmospheric burner combustion system and the design of combustion systems.
- Sponsoring Organization:
- Gas Research Inst., Chicago, IL (United States)
- OSTI ID:
- 435644
- Report Number(s):
- CONF-951135-; ISBN 0-7918-1751-2; TRN: IM9710%%302
- Resource Relation:
- Conference: 1995 International mechanical engineering congress and exhibition, San Francisco, CA (United States), 12-17 Nov 1995; Other Information: PBD: 1995; Related Information: Is Part Of Proceedings of the ASME Heat Transfer Division. Volume 2: Fire and combustion systems; Thermal-hydraulics in nuclear and hazardous waste processing and disposal; Transport phenomena in materials processing; HTD-Volume 317-2; Atreya, A. [ed.] [Univ. of Michigan, Ann Arbor, MI (United States)]; Gritzo, L. [ed.] [Sandia National Labs., Albuquerque, NM (United States)]; Saltiel, C. [ed.] [SCRAM Technology, Inc., Gainesville, FL (United States)] [and others]; PB: 592 p.
- Country of Publication:
- United States
- Language:
- English
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