The role of automotive air conditioning evaporator,
Brass aluminum (mainly used for passenger air conditioners, the United States a small number of cars still keep the form of aluminum foil).
Its role is: the compressor discharge of high temperature, high pressure refrigerant vapor to cool, to condense into high-pressure refrigerant liquid. Condenser tube piece of the earliest copper, and now most of the aluminum, a small amount of use
Automotive air conditioning refrigeration system in the condenser is a combination of pipe and heat sink heat exchanger.