Regulation No. 83-07 Proposed Supplement 3
|Name:||Regulation No. 83-07 Proposed Supplement 3|
|Description:||Emissions - Light Duty Vehicles. Proposed Supplement 3 to the 07 Series.|
|Official Title:||Proposal for Supplement 3 to the 07 Series of Amendments to Regulation No. 83 (Emissions of M1 and N1 Vehicles). |
|Country:||ECE - United Nations|
|Date of Issue:||2016-04-08|
|Number of Pages:||5|
|Information:||Provisional Date of Entry into Force: February 9, 2017|
|Vehicle Types:||Bus, Car, Heavy Truck, Light Truck|
|Subject Categories:||Drafts and Proposals (Historical)|
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PROPOSAL FOR SUPPLEMENT 3 TO THE 07 SERIES OF
REGULATION NO. 83
(EMISSIONS OF M 1 AND N 1 VEHICLES)
ADOPTED AT THE 169 SESSION – JUNE 2016
PROVISIONAL DATE OF ENTRY INTO FORCE: FEBRUARY 9, 2017
184.108.40.206.5. These measurements shall be carried out in opposite directions until, for each reference
speed v , a minimum of three consecutive pairs of measurements have been obtained
which satisfy the statistical accuracy p , in per cent, as defined below.
⋅ ≤ 3%
p is the statistical accuracy of the measurements performed at reference speed v ;
is the number of pairs of measurements;
is the mean coast down time at reference speed v in seconds, given by the
where ∆T is the harmonic mean coast down time of the i pair of measurements
at velocity v , seconds [s], given by the equation:
where ∆T and ∆T are the coast down times of the i measurement at reference
speed v , in seconds [s], in opposite directions a and b, respectively;
is the standard deviation, in seconds [s], defined by:
− Δ )
n − 1
is a coefficient given in the following table:
Coefficient t as function of n
220.127.116.11.9. For each reference speed v calculate the power (P ), [kW], by the formula:
P =(F · v )/1,000
is the average resistance at reference speed, j, [N];
v is the reference speed, j, [m/s], defined in 18.104.22.168.3.
22.214.171.124.10. The complete power curve (P), [kW], as a function of speed, [km/h], shall be calculated
with a least squares regression analysis."
Paragraph 126.96.36.199.8. (former), renumber as Paragraph 188.8.131.52.11.
Paragraphs 184.108.40.206.5. to 220.127.116.11.7., amend to read:
"18.104.22.168.5. Carry out the operations specified in Paragraph 22.214.171.124. of this Appendix (with the
exception of Paragraph 126.96.36.199.4. of this Appendix), replacing M by I in the formula set
out in Paragraph 188.8.131.52.7. of this Appendix.
184.108.40.206.6. Adjust the brake to reproduce the corrected power (Paragraph 220.127.116.11.11. of this
Appendix) and to take into account the difference between the vehicle mass (M) on the
track and the equivalent inertia test mass (I) to be used. This may be done by calculating
the mean corrected road coast down time from V to V and reproducing the same time
on the dynamometer by the following relationship:
K = value specified in Paragraph 18.104.22.168.11. above.
22.214.171.124.7. The power P to be absorbed by the dynamometer shall be determined in order to
enable the same power (Paragraph 126.96.36.199.11. of this Appendix) to be reproduced for the
same vehicle on different days."
Paragraph 188.8.131.52.7., amend to read:
"184.108.40.206.7. The average torque C determined on the track shall be corrected to the reference
ambient conditions as follows:
C = K · C
Where K has the value specified in Paragraph 220.127.116.11.11. of this Appendix."