过剩空气系数与富氧燃烧对理论燃烧温度影响的数值计算.pdfVIP

28 1 V ol . 28 N o. 1 2007 2 ENERGY T ECH NOL OGY F eb. 2007 1 1 1 2 , , , ( 1. 重庆大学城市建设与环境工程学院, 重庆400045; 2. 新奥燃气集团, 河北廊坊 065001) : 采用计算流体力学 件FL UENT , 对一个圆筒形燃烧器进行仿真, 建立数学模型, 通 过改变边界条件空气流速及空气中含氧量从仿真结果中, 得出过剩空气系数和富氧燃烧与理论燃 烧温度之间的关系, 结果与相关文献的实验数据吻合 : 过剩空气系数; 富氧燃烧; 理论燃烧温度; 数值计算 : T K 16 : A : 2007) Numerical Calculation about the Af fection to the Theoretical Combustion Temperature from the Excess Air Coeff icient and Oxygen- enriched Combustion PENG Shini 1 HUANG Rong1 HUANG Shan1 CHEN JianLan2 ( 1. Faculty of U ban Const uctio n and Envi onment Eng inee ing Chong qing U nive sit y, Chong qing 400045, China) Abstract: N ume ical calculation has became an impo tant means of science, in o de to ve ify t he nume ical esults, using the computational fluid dy nam ics softw a e FL U ENT t o establishes t he mathemat ical model of a cy linde - shaped bu ne , the co ect bounda y co nditions w e e set up sepa ately in the ai speed of flow and the ox yg en content of ai , and come to the elationship between excess ai co efficiento xy gen- en iched combustion and the theo etical co mbustio n tempe atu e, tallies well with the co elatio n lite atu e empi ical datum, thus must use the co mme cial softw a e nume ical computation the me it, enhances the w o king efficiency, obtains mo e achiev ements. Keywords: ex cess ai coefficient; ox yg en - en iched ai co mbustio n; theo etical combust ion tempe atu e; nume ical calculation , ; , , , 1 , ,