Journal of Shanghai Jiao Tong University

Journal of Shanghai Jiaotong University >

2020 , Vol. 54 >Issue 7: 756 - 764

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2019.132

Influence of Fuel-Staging Ratio on Combustion Performance of Dual Fuel Combustor

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  • Liaoning Key Laboratory of Advanced Testing Technology for Aeronautical Propulsion System, Shenyang Aerospace University, Shenyang 110136, China

Online published: 2020-07-31

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Abstract

The flow field and combustion characteristics of a dual fuel low pollution combustor were studied by using numerical and experimental methods. The low-pollution combustor was numerically simulated by using Fluent software. The ignition and extinguishing characteristics of the combustor were tested experimentally. The fuel energy distribution ratio of duty class and main combustion stage was changed when the inlet parameters of the combustor were fixed. The influence of the energy ratio of the main combustion stage on combustion characteristics was compared and analyzed. The results show that there is a central reflux zone, a corner reflux zone, and a lip reflux zone in the head of the low-pollution combustor studied. The ignition and extinguishing characteristics of the combustor meet the requirements and the fuel classification ratio has a great impact on pollutant emissions. When the dual fuel design point and the gas fuel are used alone, CO and NOx emissions meet the design requirements of the combustor.

Key words： dual fuel combustor; central classification; low emission; fuel classification ratio

Cite this article

LIU Aiguo, CHEN Xuanren, YANG Yudong, CHEN Lei, WANG Chengjun . Influence of Fuel-Staging Ratio on Combustion Performance of Dual Fuel Combustor[J]. Journal of Shanghai Jiaotong University, 2020 , 54(7) : 756 -764 . DOI: 10.16183/j.cnki.jsjtu.2019.132

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