Directive 2005/55/EC of the European Parliament and of the Council of 28 September 2005 on the approximation of the laws of the Member States relating to the measures to be taken against the emission of gaseous and particulate pollutants from compression-ignition engines for use in vehicles, and the emission of gaseous pollutants from positive-ignition engines fuelled with natural gas or liquefied petroleum gas for use in vehicles (Text with EEA relevance) (repealed)

3.ETC TEST

3.1.Gaseous emissions (diesel engine)

Assume the following test results for a PDP-CVS system

V₀ (m³/rev)	0,1776
N_p (rev)	23 073
p_B (kPa)	98,0
p₁ (kPa)	2,3
T (K)	322,5
H_a (g/kg)	12,8
NO_{x conce} (ppm)	53,7
NO_{x concd} (ppm)	0,4
CO_conce (ppm)	38,9
CO_concd (ppm)	1,0
HC_conce (ppm)	9,0
HC_concd (ppm)	3,02
CO_2,conce (%)	0,723
W_act (kWh)	62,72

Calculation of the diluted exhaust gas flow (Annex III, Appendix 2, Section 4.1):

Calculation of the NO_x correction factor (Annex III, Appendix 2, Section 4.2):

Calculation of the background corrected concentrations (Annex III, Appendix 2, Section 4.3.1.1):

Assuming a diesel fuel of the composition C₁H_1,8

Calculation of the emissions mass flow (Annex III, Appendix 2, Section 4.3.1):

Calculation of the specific emissions (Annex III, Appendix 2, Section 4.4):

3.2.Particulate emissions (diesel engine)

Assume the following test results for a PDP-CVS system with double dilution

M_TOTW (kg)	4 237,2
M_f,p (mg)	3,03
M_f,b (mg)	0,044
M_TOT (kg)	2,159
M_SEC (kg)	0,909
M_d (mg)	0,341
M_DIL (kg)	1,245
DF	18,69
W_act (kWh)	62,72

Calculation of the mass emission (Annex III, Appendix 2, Section 5.1):

Calculation of the background corrected mass emission (Annex III, Appendix 2, Section 5.1):

Calculation of the specific emission (Annex III, Appendix 2, Section 5.2):

3.3.Gaseous emissions (CNG engine)

Assume the following test results for a PDP-CVS system with double dilution

M_TOTW (kg)	4 237,2
H_a (g/kg)	12,8
NO_{x conce} (ppm)	17,2
NO_{x concd} (ppm)	0,4
CO_conce (ppm)	44,3
CO_concd (ppm)	1,0
HC_conce (ppm)	27,0
HC_concd (ppm)	3,02
CH_{4 conce} (ppm)	18,0
CH_{4 concd} (ppm)	1,7
CO_2,conce ( %)	0,723
W_act (kWh)	62,72

Calculation of the NO_x, correction factor (Annex III, Appendix 2, Section 4.2):

Calculation of the NMHC concentration (Annex III, Appendix 2, Section 4.3.1):

(a)

GC method

(b)

NMC method

Assuming a methane efficiency of 0,04 and an ethane efficiency of 0,98 (see Annex III, Appendix 5, Section 1.8.4)

Calculation of the background corrected concentrations (Annex III, Appendix 2, Section 4.3.1.1):

Assuming a G₂₀ reference fuel (100 % methane) of the composition C₁H₄:

Directive 2005/55/EC of the European Parliament and of the Council (repealed)Show full title

3.ETC TEST

3.1.Gaseous emissions (diesel engine)

Calculation of the diluted exhaust gas flow (Annex III, Appendix 2, Section 4.1):

Calculation of the NO_x correction factor (Annex III, Appendix 2, Section 4.2):

Calculation of the background corrected concentrations (Annex III, Appendix 2, Section 4.3.1.1):

Calculation of the emissions mass flow (Annex III, Appendix 2, Section 4.3.1):

Calculation of the specific emissions (Annex III, Appendix 2, Section 4.4):

3.2.Particulate emissions (diesel engine)

Calculation of the mass emission (Annex III, Appendix 2, Section 5.1):

Calculation of the background corrected mass emission (Annex III, Appendix 2, Section 5.1):

Calculation of the specific emission (Annex III, Appendix 2, Section 5.2):

3.3.Gaseous emissions (CNG engine)

Calculation of the NO_x, correction factor (Annex III, Appendix 2, Section 4.2):

Calculation of the NMHC concentration (Annex III, Appendix 2, Section 4.3.1):

Calculation of the background corrected concentrations (Annex III, Appendix 2, Section 4.3.1.1):

For NMHC, the background concentration is the difference between HC_concd and CH_4concd

Calculation of the emissions mass flow (Annex III, Appendix 2, Section 4.3.1):

Calculation of the specific emissions (Annex III, Appendix 2, Section 4.4):

Directive 2005/55/EC of the European Parliament and of the Council (repealed)Show full title

3.ETC TEST

3.1.Gaseous emissions (diesel engine)

Calculation of the diluted exhaust gas flow (Annex III, Appendix 2, Section 4.1):

Calculation of the NOx correction factor (Annex III, Appendix 2, Section 4.2):

Calculation of the background corrected concentrations (Annex III, Appendix 2, Section 4.3.1.1):

Calculation of the emissions mass flow (Annex III, Appendix 2, Section 4.3.1):

Calculation of the specific emissions (Annex III, Appendix 2, Section 4.4):

3.2.Particulate emissions (diesel engine)

Calculation of the mass emission (Annex III, Appendix 2, Section 5.1):

Calculation of the background corrected mass emission (Annex III, Appendix 2, Section 5.1):

Calculation of the specific emission (Annex III, Appendix 2, Section 5.2):

3.3.Gaseous emissions (CNG engine)

Calculation of the NOx, correction factor (Annex III, Appendix 2, Section 4.2):

Calculation of the NMHC concentration (Annex III, Appendix 2, Section 4.3.1):

Calculation of the background corrected concentrations (Annex III, Appendix 2, Section 4.3.1.1):

For NMHC, the background concentration is the difference between HCconcd and CH4concd

Calculation of the emissions mass flow (Annex III, Appendix 2, Section 4.3.1):

Calculation of the specific emissions (Annex III, Appendix 2, Section 4.4):

Calculation of the NO_x correction factor (Annex III, Appendix 2, Section 4.2):

Calculation of the NO_x, correction factor (Annex III, Appendix 2, Section 4.2):

For NMHC, the background concentration is the difference between HC_concd and CH_4concd