This standard BS ISO 21441:2019 Road vehicles. Engine EGR cooler. Heat dissipation test methods is classified in these ICS categories:
43.060.30 Cooling systems. Lubricating systems
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.