Experimental and numerical investigations on oxy-coal combustion in a 35 MW large pilot boiler
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- 作者：Junjun Guo ; Zhaohui Liu ; zliu@hust.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Xiaohong Huang ; xh_huang@hust.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Tai Zhang ; Wei Luo ; Fan Hu ; Pengfei Li ; Chuguang Zheng
- 关键词：Oxy-fuel combustion ; Radiative heat transfer ; Large pilot ; Carbon capture and storage
- 刊名：Fuel
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：187
- 期：Complete
- 页码：315-327
- 全文大小：3353 K
文摘
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A compatible operation of oxy- and air-combustion is achieved in a large pilot boiler.
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The predicted results using the improved sub-models agree well with the experimental.
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The average temperature and heat flux distribution are similar to air-combustion.
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The heat transfer increases by 9% and 6% under wet and dry recycle oxy-combustion.
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An increase of 2% in the recycle ratio decreases the heat transfer by about 6%.