全部

1·The result shows that heat transfer coefficient of corrugated tube heat exchanger is over 1.5 times than that of bare tube.

结果表明，波纹管换热器的总传热系数比光管高1.5倍以上。

2·An experimental study of titanium tube fouling characteristics was conducted, which were compared with those of stainless steel tubes and copper bare tubes.

实验研究了钛管的污垢特性，并和不锈钢管、紫铜光管的污垢特性进行了比较。

3·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.

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。