本文件定义了道路车辆内燃机中液体冷却发动机EGR冷却器的散热和压力损失的测量方法。本文件的原则适用于清洁和污染的EGR冷却器。

This document defines the methodology for the measurement of heat dissipation and pressure loss of liquid cooled engine EGR coolers in internal combustion engines for road vehicles. The principles of this document are valid for clean and fouled EGR coolers.