🔥🔥 Don’t Miss Out on Our End of Autumn Sale. If you have any questions, feel free to click the bottom right corner to contact our customer service..

Concat us[email protected]
Shopping Cart

No products in the cart.

🔍
BS ISO 362-1:2022

BS ISO 362-1:2022

$215.11

Acoustics. Engineering method for measurement of noise emitted by accelerating road vehicles – M and N categories

Published By Publication Date Number of Pages
BSI 2022 82
PDF Format Searchable Printable Preview Now
Guaranteed Safe Checkout
Categories: ,

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

PDF Catalog

PDF Pages PDF Title
2 National foreword
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
10 3 Terms and definitions
3.1 Vehicle mass
12 3.4 Vehicle categories
15 4 Symbols, terms and abbreviated terms
18 5 Specification of the acceleration for vehicles of categories M1 and M2 having a maximum authorized mass not exceeding 3 500 kg and of category N1
5.1 General
19 5.2 Calculation of acceleration
5.2.1 Calculation procedure for vehicles with manual transmission, automatic transmission, adaptive transmission, and continuously variable transmission (CVT) tested with locked gear ratios
5.2.2 Calculation procedure for vehicles with automatic transmission, adaptive transmission, and CVT tested with non-locked gear ratios
20 5.3 Calculation of the target acceleration
5.4 Calculation of the reference acceleration
21 5.5 Partial power factor kP
6 Instrumentation
6.1 Instruments for acoustical measurement
6.1.1 General
6.1.2 Calibration
6.1.3 Conformity with requirements
22 6.2 Instrumentation for speed measurements
6.3 Meteorological instrumentation
7 Acoustical environment, meteorological conditions, and background noise
7.1 Test site
24 7.2 Meteorological conditions
7.3 Background noise
25 8 Test procedures
8.1 Microphone positions
8.2 Conditions of the vehicle
8.2.1 General conditions
8.2.2 Test mass of the vehicle
29 8.2.3 Tyre selection and condition
8.2.4 Calculation of total engine power
30 8.2.5 Battery state of charge
8.2.6 Additional sound emitting devices
8.2.7 Vehicle cooling fans or cooling systems
8.3 Operating conditions
8.3.1 Vehicles of categories M1 and M2 having a maximum authorized mass not exceeding 3 500 kg and category N1
34 8.3.2 Vehicles of category M2 having a maximum authorized mass exceeding 3 500 kg, and categories M3, N2 and N3
39 8.4 Measurement readings and reported values
8.4.1 General
8.4.2 Data compilation
40 8.4.3 Vehicles of categories M1 and M2 having a maximum authorized mass not exceeding 3 500 kg and category N1
8.4.4 Vehicles of category M2 having a maximum authorized mass exceeding 3 500 kg and categories M3, N2, and N3
41 8.5 Measurement uncertainty
42 9 Test report
43 Annex A (informative) Technical background for development of vehicle noise test procedure based on in-use operation in urban conditions
63 Annex B (informative) Measurement uncertainty — Framework for analysis according to ISO/IEC Guide 98‑3
72 Annex C (informative) Flowchart of the procedure for categories M1 and M2 having a maximum authorized mass not exceeding 3 500 kg and category N1
77 Annex D (informative) Flowchart for vehicles of category M2 having a maximum authorized mass exceeding 3 500 kg and categories M3, N2, and N3 with locked gears
78 Annex E (informative) Flowchart for vehicles of category M2 having a maximum authorized mass exceeding 3 500 kg and categories M3, N2, and N3 with non-locked gears
80 Annex F (informative) Flowchart for vehicles of category M2 having a maximum authorized mass exceeding 3 500 kg and categories M3, N2, and N3 with no rotational engine speed available
81 Bibliography

Related products

BS ISO 362-1:2022
$215.11