This standard specifies the technical requirements, test methods, and inspection rules of charge air coolers for internal combustion engines.
This standard is applicable to charge air coolers of internal combustion engine (hereinafter referred to as intercoolers) used in automobiles, tractors and construction machineries. It may also be used as reference for the charge air coolers of internal combustion engine of other purposes.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding any corrigendum), or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition applies.
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection (GB/T 2828.1-2003, ISO 2859-1: 1999, IDT)
GB/T 3821 Small and medium power internal combustion engines - Cleanliness limits and measurements
JB/T 10408-2004 Internal combustion engines - Test method for reliability of exchangers
3 Terms and definitions
For the purposes of this standard, the following terms and definitions apply.
3.1
front area
Sz
the area of the windward side of the intercooler core with the cooling medium as air, m2
3.2
heat exchange efficiency
JB/T 10506-2005 The following standards are cited: