The experiments of an oilfilmvisualization technique are accomplished on the surfaces of impeller, inlet segment and partial meet face between inlet segment and volute casing.
对螺旋离心泵叶轮、进水节和进水节与蜗壳交界处的部分端面做了表面油膜、油点试验。
2
The liquid crystal results are compared with schlieren photo and oilfilm method, confirming that it is an effective flow-visualization tool.