Combustion characteristic of natural gas (NG) in a symmetrical combustion chamber and external convection heat transfer characteristic of water flow has been investigated numerically. The burner using a combination of swirling premixed and jet diffusion flames to achieve high flame stability. The combined eddy dissipation model/finite rate chemistry (EDM/FRC) combustion models coupled with RNG k-ε turbulence model were applied to model turbulence combustion. The discrete transfer method (DTM) coupled with weighted sum of gray gas model (WSGGM) were applied to solve the radiation heat transfer. Accurate calculation results were obtained by coupling calculation of combustion in the combustion chamber and external water flow and heat transfer. The temperature fields, heat transfer characteristic in the combustor and water tank were obtained by numerical simulation. The effects of water inlet mass flow rate on combustion and external heat transfer characteristics were discussed. The results indicated that water flow has significant effect on external heat transfer. The temperature distribution is quite uniform in the water tank. Radiation heat transfer plays a dominant role of heat transfer in the combustor.
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2010 14th International Heat Transfer Conference
August 8–13, 2010
Washington, DC, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-4938-5
PROCEEDINGS PAPER
Numerical Investigation of a Symmetrical Combustion Burner and External Convection Heat Transfer Characteristics
Xing Li,
Xing Li
Beijing Jiaotong University, Beijing, China
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Li Jia,
Li Jia
Beijing Jiaotong University, Beijing, China
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Hui Yang
Hui Yang
Beijing University of Civil Engineering and Architecture, Beijing, China
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Xing Li
Beijing Jiaotong University, Beijing, China
Li Jia
Beijing Jiaotong University, Beijing, China
Hui Yang
Beijing University of Civil Engineering and Architecture, Beijing, China
Paper No:
IHTC14-22046, pp. 7-12; 6 pages
Published Online:
March 1, 2011
Citation
Li, X, Jia, L, & Yang, H. "Numerical Investigation of a Symmetrical Combustion Burner and External Convection Heat Transfer Characteristics." Proceedings of the 2010 14th International Heat Transfer Conference. 2010 14th International Heat Transfer Conference, Volume 3. Washington, DC, USA. August 8–13, 2010. pp. 7-12. ASME. https://doi.org/10.1115/IHTC14-22046
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