The fin efficiency of an oval finned heat exchanger is usually calculated by converting the oval finned tube to an equivalent round one in the engineering field.
椭圆管翅式换热器的翅片效率工程上通常是将其转换为圆形翅片管来计算。
2
The air cooler is designed of nullity fin oval stainless steel bellows tube bank replacing conventional fin tube bank. It is a technological innovation designing and manufacturing of The air cooler.
空气冷却器采用无翅片椭圆不锈钢波纹管管束替代传统的翅片管管束，是空气冷却器设计制造的技术革新。
3
However, when the tubing is even slightly oval, the differential pressure at which the tube will collapse may be significantly reduced.