研究了多斜孔壁冷却方式中三种不同进气角度小孔内部对流的局部和平均换热情况。方法是相似理论指导下的实验研究。结果表明：三种进气角度的小孔在孔进口区的换热增强幅度都较大，并且在进口区不同位置增幅差别都很大；三种小孔在相对应的孔内位置上，换热增强差别亦很大。孔内雷诺数对换热增强幅度影响很大，孔内雷诺数越高，换热增强越大。 The local and average heat transfer in three kinds of holes with different inlet angles were studied. The method is experimental research under the guidance of similar theories. The results show that: the three kinds of inlet angle of the hole in the hole inlet heat transfer enhancement are larger, and in the inlet area at different positions are very different amplification; three holes in the corresponding hole position, The difference between heat enhancement is also great. The Reynolds number in the hole has a great influence on the enhancement range of heat transfer, the higher the Reynolds number in the hole, the greater the heat transfer enhancement.