【摘要】 介绍了螺旋翅片管束灰污通风阻力试验研究的原理、试验系统和所采用的试验研究方法；将典型齿型和整体型螺旋翅片管束试验得出的灰阻力特性与实炉试验阻力特性以及洁净管束阻力特性相比较；得出适用于这两种灰污螺旋翅片管束通风阻力的计算方法．所得计算公式可直接应用于工程实际．更多还原

【Abstract】 The experimental principle,system and investigation method for experimentally determining flow resistance properties of contaminated helically finned tube bank with gas solid two phase fluid are introduced in the paper. According to the investigation a method for calculating the flow resistance in that kind of tube banks is obtained.更多还原