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