GAR | WP.29 Documents

Annex 3, Paragraph 1.4. to delete determination of the vehicle speed by independent speed measuring devices
Annex 3, Paragraph 1.5. to clarify that no determination of the wind speed is needed for indoor testing
Annex 3, Paragraph 2.1.3. to clarify and differentiate between indoor and outdoor testing
Annex 3, Paragraph 2.1.3.1.2. to clarify the temperature range for indoor facilities.
Annex 3, Paragraph 2.1.3.2.2. to clarify the temperature range for outdoor facilities.

Meeting Sessions: 73rd GRBP session (26-29 Jan 2021)

Document date: 21 Jan 21

Document status: Informal GR review

Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions

Click here to view the full document file

Download from UNECE:

.pdf format

.docx format

Revised terms of reference for the Sound Measurement Uncertainties informal group

Reference Number: GRBP-73-16

Meeting Sessions: 73rd GRBP session (26-29 Jan 2021)

Document date: 21 Jan 21

Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance

Click here to view the full document file

Download from UNECE:

.pdf format

.docx format

General Approach to Estimate Sound Measurement Uncertainties

Reference Number: GRBP-73-15

Meeting Sessions: 73rd GRBP session (26-29 Jan 2021)

Document date: 21 Jan 21

Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions

Click here to view the full document file

Download from UNECE:

.pdf format

.docx format

ETRTO Tyre Performance Study

Reference Number: GRBP-73-11

Overview of UTAC CERAM testing designed to consider the impact of additional tightening of tyre performance limits on the balance
between legal requirements (rolling resistance, wet grip and rolling sound emission) and other performance aspects not subject to legal requirements.

Submitted by: ETRTO

Meeting Sessions: 73rd GRBP session (26-29 Jan 2021)

Document date: 21 Jan 21

Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance

Click here to view the full document file

Download from UNECE:

.pdf format

.pptx format

UN R51 and software update requirements under UN R156

Reference Number: ASEP II-DG-02

Email (.msg format) raising a question on the application of UN R156 to noise requirements under UN R51with regard to possible risk of deviation from limits resulting from a software update.

Submitted by: Volvo Group

Meeting Sessions: 4th UNR51-DG session (28 Jan 2021)

Document date: 20 Jan 21

Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 156 | Software Update Processes and Management Systems

Click here to view the full document file

Download from UNECE:

Document

UN R51: Proposal for 04 series of amendments

Reference Number: GRBP-73-05

Proposal by experts from IWG ASEP for new series of amendments.

Meeting Sessions: 73rd GRBP session (26-29 Jan 2021), 4th UNR51-DG session (28 Jan 2021), and 10th RDASEP session (9-10 Dec 2025)

Document date: 19 Jan 21

Document status: Informal GR review

Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions

Click here to view the full document file

Download from UNECE:

.pdf format

.docx format

UN R51: ASEP II informal group draft for a new series of amendments

Reference Number: ASEP II-DG-01

Draft proposal as of 15 January 2021.

Meeting Sessions: 4th UNR51-DG session (28 Jan 2021)

Document date: 18 Jan 21

Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions

Click here to view the full document file

Download from UNECE:

.docx format

Sound Measurement Uncertainties informal group status report

Reference Number: TFMU-08-03

Meeting Sessions: 8th TFMU session (12 Jan 2021)

Document date: 11 Jan 21

Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions

Click here to view the full document file

Download from UNECE:

.pptx format

Draft Document of Reference: A General Approach to Estimate (Sound) Measurement Uncertainties

Reference Number: TFMU-08-02/Rev.1

Meeting Sessions: 8th TFMU session (12 Jan 2021)

Document date: 11 Jan 21

Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions

Click here to view the full document file

Download from UNECE:

.docx format

Draft report of the 7th Sound Measurement Uncertainties task force session

Reference Number: TFMU-07-06/Rev.1

Meeting Sessions: 7th TFMU session (1-2 Dec 2020)

Document date: 04 Jan 21

Relevant to: UN Regulation No. 41 | Motorcycle Noise and UN Regulation No. 51 | Vehicle Noise Emissions

Click here to view the full document file

Download from UNECE:

.docx format

Documents 2021 164 documents

29 Jan 2021 Study on future sound-limit values (ACEA) GRBP-73-25

29 Jan 2021 Priorities of the Working Party on Noise and Tyres (GRBP) GRBP-73-24

29 Jan 2021 Study on sound level limits of M- and N-category vehicles (EC) GRBP-73-23

29 Jan 2021 Status report of the Sound Measurement Uncertainties informal working group GRBP-73-14/Rev.1

21 Jan 2021 UN R51: Proposal to amend the 03 series of amendments GRBP-73-17

21 Jan 2021 Revised terms of reference for the Sound Measurement Uncertainties informal group GRBP-73-16

21 Jan 2021 General Approach to Estimate Sound Measurement Uncertainties GRBP-73-15

21 Jan 2021 ETRTO Tyre Performance Study (ETRTO) GRBP-73-11

20 Jan 2021 UN R51 and software update requirements under UN R156 (Volvo Group) ASEP II-DG-02

19 Jan 2021 UN R51: Proposal for 04 series of amendments GRBP-73-05

18 Jan 2021 UN R51: ASEP II informal group draft for a new series of amendments ASEP II-DG-01

11 Jan 2021 Sound Measurement Uncertainties informal group status report TFMU-08-03

11 Jan 2021 Draft Document of Reference: A General Approach to Estimate (Sound) Measurement Uncertainties TFMU-08-02/Rev.1

4 Jan 2021 Draft report of the 7th Sound Measurement Uncertainties task force session TFMU-07-06/Rev.1

No matching documents.

← Previous Page 4 of 4