This document specifies a method for measuring cylinder pressure in reciprocating internal combustion engines for the calculation of combustion noise. This document is applicable to the reciprocating internal combustion engine defined in GB/T21404 (hereinafter referred to as "engine" unless otherwise specified).
GB/T 41161-2022 Referenced Document
GB/T 1859.1 Reciprocating internal combustion engines.Measurement of sound power level using sound pressure.Part 1:Engineering method
GB/T 1859.3 Determination of sound power level by sound pressure method for reciprocating internal combustion engines - Part 3: Semi-anechoic chamber precision method
GB/T 1883.1 Reciprocating internal combustion engines.Vocabulary.Part 1: Terms for engine design and operation
GB/T 21404 Internal combustion engines—Determination and method for the measurement of engines power—General requirements*, 2022-10-14 Update
GB/T 3241-2010 Electroacoustics.Octave-band and fractional-octave-band filters
GB/T 3785.1-2010 Electroacoustics-Sound level meters- Part 1:Specifications
GB/T 6072.1 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