Effect of Dual Fuel Nozzle Structures on Combustion Flow Field in CRGT Combustor
Joint Authors
Zheng, Hongtao
Pan, Gang
Chen, Xi
Hu, Xiaoming
Source
Mathematical Problems in Engineering
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-11-12
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Abstract EN
Three different structures of a new dual fuel nozzle design concept (inner swirl nozzle, double swirl nozzle, and outer swirl nozzle) were developed for the chemically recuperated gas turbine (CRGT) combustor.
The combustion flow fields in the combustor with the three nozzles were investigated, respectively, based on the FLUENT simulation.
The realizable k-ε model and PDF model were adopted, respectively, for the turbulence flow and nonpremixed reformed gas combustion.
The obtained results using these models showed good agreement with experimental results in original oil combustor.
The effects of different dual fuel nozzle structures on the flow field, fuel concentration distribution, and temperature distribution in the combustor were simulated and analyzed.
Results suggest that the double swirl nozzle and outer swirl nozzle can form a better flow field with obvious central recirculation zone (CRZ), shorten fuel and air mixing distance, and obtain a more uniform outlet temperature distribution, in comparison with the inner swirl nozzle.
However, compared with double swirl nozzle, the outer swirl nozzle can result in a better combustion flow field with the high temperature region in the CRZ, which is important to stabilize the flame.
American Psychological Association (APA)
Zheng, Hongtao& Pan, Gang& Chen, Xi& Hu, Xiaoming. 2013. Effect of Dual Fuel Nozzle Structures on Combustion Flow Field in CRGT Combustor. Mathematical Problems in Engineering،Vol. 2013, no. 2013, pp.1-11.
https://search.emarefa.net/detail/BIM-1011135
Modern Language Association (MLA)
Zheng, Hongtao…[et al.]. Effect of Dual Fuel Nozzle Structures on Combustion Flow Field in CRGT Combustor. Mathematical Problems in Engineering No. 2013 (2013), pp.1-11.
https://search.emarefa.net/detail/BIM-1011135
American Medical Association (AMA)
Zheng, Hongtao& Pan, Gang& Chen, Xi& Hu, Xiaoming. Effect of Dual Fuel Nozzle Structures on Combustion Flow Field in CRGT Combustor. Mathematical Problems in Engineering. 2013. Vol. 2013, no. 2013, pp.1-11.
https://search.emarefa.net/detail/BIM-1011135
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1011135