knurling is the process of producing a roughened surface by means of a specialized forming tool called a knurl .
是一种专门成形刀具叫滚花轮,将表面制成粗糙表面。
knurling . knurling is the process of producing a roughened surface by means of a specialized forming tool called a knurl .
是一种专门成形刀具叫滚花轮,将表面制成粗糙表面。
the test results show that the impingement heat transfer from the rib roughened surface is considerably affected by the initial crossflow rate.
实验结果表明,初始横流率对肋粗糙表面的沖击换热有重要的影响。
impingement heat transfer from the rib roughened surface within 2 dimensional arrays of circular jet has been experimentally investigated.
实验研究了二维圆射流阵列沖击肋粗糙表面换热。