Effect of vane angle on turbulence-chemistry interactions, temperature, flow field, burnout, and NOx emissions in swirling flames fueled by semicoke mixtures

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Sun, Liutao;Kuang, Shengyu;Li, Weilin;Wang, Jingjie;Xu, Yanhui;...

通讯作者：

Wang, JJ

作者机构：

[Li, Xinzhuo; Sun, Liutao; Tian, Hong; Kuang, Shengyu; Li, Weilin] Changsha Univ Sci & Technol, Sch Energy & Power Engn, Changsha 410114, Hunan, Peoples R China.

[Zhu, Lingkun; Wang, Jingjie; Xu, Yanhui] Harbin Elect Corp Harbin, Harbin Boiler Co Ltd, State Key Lab Efficient & Clean Coal Fired Util Bo, Harbin 150046, Peoples R China.

[Sun, Rui] Harbin Inst Technol, Sch Energy Sci & Engn, Harbin 150001, Peoples R China.

[Wang, Dengke] Henan Polytech Univ, Sch Safety Sci & Engn, Jiaozuo 454000, Peoples R China.

通讯机构：

[Wang, JJ ] H

Harbin Elect Corp Harbin, Harbin Boiler Co Ltd, State Key Lab Efficient & Clean Coal Fired Util Bo, Harbin 150046, Peoples R China.

语种：

英文

关键词：

Burnout;Damköhler number;Inner recirculation zone;NOx emission;Swirl number

期刊：

Environmental Science and Pollution Research

ISSN：

0944-1344

年：

2024

卷：

期：

页码：

3828-3852

DOI：

10.1007/s11356-023-30977-9

基金类别：

This work was funded by the National Natural Science Foundation of China (No. 52006052), the National Natural Science Foundation of China (No. 52174174), the Natural Science Foundation of China for Young Scholars (No. 51706022), the Natural Science Foundation of Hunan Province of China (No. 2022JJ30607), the Natural Science Foundation of Changsha (No. kq2202202), the Special Program for Basic Research of Key Scientific Research Projects of Colleges and Universities in Henan Province of China (No. 21zx004), and the Innovative Scientific Research Team of Henan Polytechnic University in China (No. T2022-1).

机构署名：

本校为第一机构

院系归属：

能源与动力工程学院

摘要：

To enhance the combustion efficiency and reduce NOx emissions in large-scale semicoke and bituminous coal blends, an extensive numerical study was conducted. The focus of this study was to optimize the quaternary air vane angle (α(v)) through detailed analysis of the temperature and flow fields, turbulence-chemistry interactions, char burnout, and NOx formation in a carefully scaled 1:5 dual-swirl burner. The results showed that with increasing α(v), the high-temperature flame region was narrowed and the peak temperature was reduced along wit...

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Effect of vane angle on turbulence-chemistry interactions, temperature, flow field, burnout, and NOx emissions in swirling flames fueled by semicoke mixtures

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