Holographic interferometry has been used to study the heat transfer by free convection from horizontal elliptic cylinder.

本文用激光全息干涉法研究了水平椭圆管的自然对流放热。

youdao

As a result, heat dissipating capacity, metal thermal intensity and free convection heat transfer coefficient of the longitudinal closed finned tube are higher than those of the open finned tube.

结果表明，封闭式纵向翅片管的散热量、金属热强度以及自然对流换热系数都要高于开放式翅片管。

youdao

The experimental results indicate that free convection caused by the buoyancy in the heated tube with natural circulation has great influence on the heat transfer characteristics.

实验结果表明，自然循环工况下上升加热段内工质的物性变化及由浮升力引起的自由流动对对流传热特性有重要影响。

youdao