GB/T 1859.1-2026

Upcoming

Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 1: Engineering method

往复式内燃机 声压法声功率级的测定 第1部分:工程法

Standard Type
GBT
ICS
27.020
CCS
J 93
Status
Upcoming
Issue Date
2026-01-28
Implementation
2026-08-01
Centralized Committee
中国机械工业联合会
Issuing Authority
国家市场监督管理总局、国家标准化管理委员会

Application Summary AI generated

This standard specifies an engineering-grade method for measuring the sound power level of reciprocating internal combustion engines using sound pressure measurements in a free field over a reflecting plane. It is applied in the automotive, marine, and industrial machinery sectors for noise emission testing and certification of engines, ensuring compliance with environmental noise regulations. The standard is used during engine development, quality control, and type approval to provide reliable and reproducible noise data for engineering analysis.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.