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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 20787-2023 |
Reciprocating internal combustion engines—Measurement methods for structure-borne noise {译} 往复式内燃机 结构噪声测量方法 |
China National Standards engines—Measurement |
 English PDF |
| GB/T 41161-2022 |
Reciprocating internal combustion engines—Measurement method for combustion noise 往复式内燃机 燃烧噪声测量方法 |
China National Standards engines—Measurement |
English PDF |
| GB/T 33928-2017 |
Reciprocating internal combustion engines—Measurement method for exhaust silencers—Sound power level of exhaust noise and insertion loss using sound pressure and power loss ratio 往复式内燃机 排气消声器测量方法 声压法排气噪声声功率级和插入损失及功率损失比 |
China National Standards engines—Measurement |
English PDF |
| GB/T 1859.4-2017 |
Reciprocating internal combustion engines—Measurement of sound power levels using sound pressure—Part 4:Survey method using a reference sound source 往复式内燃机 声压法声功率级的测定 第4部分：使用标准声源简易法 |
China National Standards engines—Measurement |
English PDF |
| GB/T 1859.3-2015 |
Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 3: Precision methods for hemi-anechoic rooms 往复式内燃机 声压法声功率级的测定 第3部分：半消声室精密法 |
China National Standards engines—Measurement |
English PDF |
| GB/T 1859.2-2015 |
Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 2: Survey method 往复式内燃机 声压法声功率级的测定 第2部分：简易法 |
China National Standards engines—Measurement |
English PDF |
| GB/T 1859.1-2015 |
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 |
China National Standards engines—Measurement |
English PDF |
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