本SAE推荐规程适用于车辆和工业冷却系统中使用的所有热交换器。本文件概述了在规定条件下确定传热和压降性能的试验。本文件经过审查和修订，在第4节中添加了几项澄清声明。

This SAE Recommended Practice is applicable to all heat exchangers used in vehicle and industrial cooling systems. This document outlines the tests to determine the heat transfer and pressure drop performance under specified conditions. This document has been reviewed and revised by adding several clarifying statements to Section 4.