GB/T 20787-2023 Reciprocating internal combustion engines—Measurement method for structure-borne noise

GB/T 20787-2006 Reciprocating internal combustion engines—Test code for the measurement of structure-borne noise emitted from high-speed and medium-speed reciprocating internal combustion engines measured at the engine feet

GB/T 1859.1-2015 Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 1:Engineering method 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 GB/T 6072.1-2000 Reciprocating internal combustion engines—Performance—Part 1:Standard reference conditions,declarations of power,fuel and lubricating oil consumptions,and test methods GB/T 6072.1-2008 Reciprocating internal combustion engines—Performance—Part 1:Declarations of power,fuel and lubricating oil consumptions and test methods—Additional requirements for engines for general use GB/T 6072.3-2003 Reciprocating internal combustion engines—Performance—Part 3:Test measurements GB/T 6072.3-2008 Reciprocating internal combustion engines—Performance—Part3:Test measurements GB/T 13824-1992 Requirements for instruments for measuring vibration severity GB/T 13824-2015 Mechanical vibration of rotating and reciprocating machinery—Requirements for instruments for measuring vibration severity GB/T 14777-1993 Geometrical orientation and directions of movements GB/T 1859.1-2026 Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 1:Engineering method