摘要
从分析螺旋翅片管束受气固两相流冲刷时其表面上灰污层形成的机理着手，分析各种因数对灰污系数数值的影响。提出了一种切实可行的螺旋翅片管束受含灰气流冲刷时，受热面上灰污系数数值的实验室试验确定方法，以指导本研究项目的实验室试验工作。
The comparison of formation of ash contamination layers between on helically finned tube bank and on bare bank under gas solid two phase fluid is discribed.The factors,which influence contamination process,are introduced and discussed.And then a laboratory experimental investigation method on contamination factors of helically finnedtubse is presented.
基金
西安交通大学动力工程多相流国家重点实验室开放研究项目
关键词
灰污系数
螺旋翅片管束
锅炉
传热
省煤器
contamination factor
helically finned tube bank
laboratory experimental investigation method
