The experimental study is described in this paper for the heat transfer and pressure drop of the heating oil exchanger made of three dimensional inside petal helically finned tube.

• 简要介绍了一种新型的三维内花瓣形螺旋肋管式油加热器的强化传热机理、特点、试验研究情况及在某电厂油系统中实际应用的效果。