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Proposed Coastdown Wind Speed Requirement Updates for WLTP
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Reference Number: WLTP-20-15/App.10
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Presentation in favor of better defining the coastdown wind speed validation requirements of the current GTR: - The cross wind requirements do not specify whether it should be applied to an average or peak measurement
- The procedure for calculating an average wind value is not adequately defined
- For on-board anemometry, the peak wind measurement is not specified with any filtering (only single point measurement) which may result in unnecessary test voids.
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Submitted by:
Ford
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Meeting Sessions: 20th WLTP session (26-28
Sep 2017)
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Document date: 02 Oct 17
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Relevant to: GTR No. 15 | Worldwide Harmonized Light Vehicle Emissions Test Procedure
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Click here to view the full document file
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Documents 2017
417 documents
25 Sep 2017
Table of items proposed for prolongation from Phase 2b of GTR 15 (WLTP)
WLTP-20-17
25 Sep 2017
WLTP Low Temperature task force progress report
WLTP-20-07
25 Sep 2017
WLTP provisions for movable aerodynamic body parts
WLTP-20-15/App.9
25 Sep 2017
Report of the WLTP Durability task force
WLTP-20-09
25 Sep 2017
Emissions and fuel economy Conformity of Production criteria in Japan
WLTP-20-11
25 Sep 2017
Proposal for low temperature during WLTP low temperature testing
WLTP-20-21
25 Sep 2017
Japan proposal concerning wind tunnel testing measurements under GTR No. 15 (WLTP)
WLTP-20-15/App.2
25 Sep 2017
Contracting Party options under the draft UN Regulation on light vehicle emissions
WLTP-20-24/Rev.1
27 Sep 2017
Status report of the WLTP Dual-Axis Dynamometer Task Force
WLTP-20-13/Rev.1
27 Sep 2017
Improvement of the WLTP wind tunnel testing procedure
WLTP-20-15/App.2/Add.1
27 Sep 2017
Japan proposal for WLTP dual axis dynomometer procedure
WLTP-20-14/App.1
27 Sep 2017
Proposal for bi-fuel systems under GTR No. 15 (revision 1)
WLTP-20-15/App.8/Rev.1
27 Sep 2017
WLTP Evaporative Emissions task force status report
WLTP-20-06/Rev.1
27 Sep 2017
Appendix to the WLTP Evaporative Emissions task force status report
WLTP-20-06/App.1/Rev.1
28 Sep 2017
Background information on bi-fuel gas-powered vehicle requirements under UN R83
WLTP-20-15/App.7/Add.1
28 Sep 2017
Report of the EPPR informal group teleconference of 15 September 2017
EPPR-20-19
28 Sep 2017
Gas fuelled vehicles in GTR 15: Bringing WLTP in line with Reg. 83 (revision 2)
WLTP-20-15/App.7/Rev.2
28 Sep 2017
Proposal for bi-fuel systems under GTR No. 15 (revision 2)
WLTP-20-15/App.8/Rev.2
1 Oct 2017
WLTP Cycle/Gearshifting: Status report and proposals of the task force on cycle and gearshift issues
WLTP-20-05/Rev.1
1 Oct 2017
Proposal on Driving Indices for WLTP tests
WLTP-20-25/Rev.1
1 Oct 2017
Expert feedback on WLTP Drive Trace Indices
WLTP-20-26
2 Oct 2017
Distribution of Payload: Definition and Proposal for Adoption (version 4)
WLTP-20-15/App.5/Rev.2
2 Oct 2017
Proposed Coastdown Wind Speed Requirement Updates for WLTP
WLTP-20-15/App.10
2 Oct 2017
WLTP EV subgroup status report
WLTP-20-16
11 Oct 2017
GTR 2: Part B2 updated text as of 15 September 2017
EPPR-21-03/Rev.1