ДСТУ EN ISO 8528-10:2023 Агрегати генераторні змінного струму з приводом від поршневих двигунів внутрішнього згоряння. Частина 10. Вимірювання повітряного шуму (EN ISO 8528-10:2022, IDT; ISO 8528-10:2022, IDT...

ДСТУ EN ISO 8528-10:2023
(EN ISO 8528-10:2022, IDT; ISO 8528-10:2022, IDT)

Агрегати генераторні змінного струму з приводом від поршневих

двигунів внутрішнього згоряння. Частина 10. Вимірювання повітряного шуму

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Symbols

5 Selection of the most appropriate method

5.1 General

5.2 Sound power level measurements accuracy grades

6 Measuring equipment

6.1 General

6.2 Calibration

7 Measuring environment

7.1 General

7.2 Verification of acoustic adequacy of test environment

7.3 Criteria for background noise

8 Definition of noise source and operating conditions of the generating set

8.1 Definition of noise source under test

8.2 Location, installation of the generating set

8.3 Mounting of the generating set

8.4 Operation of the generating set during test

9 Reference box and measurement surface

9.1 Reference box

9.2 Determination of the reference box in special cases

9.3 Measurement surface

10 Measurement of sound pressure levels

11 Determination of the А-weighted sound power level

11.1 Calculation of mean-time-averaged sound pressure levels

11.2 Corrections for background noise

11.3 Calculation of the surface time-averaged sound pressure levels

11.4 Calculation of sound power levels

11.5 Calculation of apparent surface sound pressure level non-uniformity index

11.6 А-weighted sound power level

12 Measurement uncertainty

13 Guaranteed sound power level

13.1 General

13.2 Arithmetic mean of sound power levels

13.3 Expanded measurement uncertainty

13.4 Coverage factor

13.5 Determination of aRQ

13.6 Determination of o()mc

13.7 Determination of Op

13.8 Calculation of the guaranteed sound power level

14 Test report

15 Determination of the emission sound pressure level at the workstation

15.1 General

15.2 Determination of location of the workstation(s)

15.3 Criteria for the adequacy of the test environment

15.4 Corrections for background noise

15.5 Measured quantity

15.6 Calculation of А-weighted emission sound pressure level

15.7 Normalizing to reference meteorological conditions

15.8 Quantities to be determined

15.9 Operation of the generating set

15.10 Microphone positions

15.11 Measurement uncertainty

15.12 Test report

Annex A (normative) Application of ISO 3744:2010 for generating sets

Annex В (normative) Application of ISO 3746:2010 for generating sets

Annex C (informative) Sound intensity methods

Bibliography