issues Status Evaluation of VP2 results is mostly done NO2 Measurement method for NO2 could be confirmed Open issues regarding NO2 could be answered N2O Not sufficient data for evaluation No open issues ID: 1046168
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1. WLTP-DTP-APStatus Report and Open issues
2. StatusEvaluation of VP2 results is mostly doneNO2:Measurement method for NO2 could be confirmedOpen issues regarding NO2 could be answeredN2O:Not sufficient data for evaluationNo open issuesNH3:Not sufficient data for evaluationRemaining open issuesETOH and AldehydesNot part of VP2Separate validation required
3. Open issues: NH3-MeasurementIssue:Measurement from raw exhaust influences subsequent CVS measurements Not sufficient results from VP2Available Proposals:Limit sample flow and return bypass ( influence on small displacements may still be too high)Additional test for NH3 ( workload)Measurement from diluted exhaust ( so far no experience, difficulties expected)
4. Necessary for decision:Postpone finalization of GTR for NH3 measurement till end of 2013Way out:Evaluation of diluted measurementInclude in AP validation Sept 2013Open issues: NH3-Measurement
5. Open issues: N2O-MeasurementIssue:No technical issues foreseenBut not sufficient results from VP2In industry evaluation has been performedWay out:Use data from industry programs to validate draft GTR
6. Open issues: Measurement of EtOH and AldehydesIssue:No data from VP2New measurement methods not yet availableNecessary for decision:Postpone finalization of GTR for EtOH and Aldehydes measurement till end of 2013Way out:Validation will be performed separately in Sept. 2013
7. Next Steps1 Telephone Conference: NH3-Measurement Date: 5th of February Topic: Next steps to resolve open issue: Measurement from raw exhaust influences subsequent CVS measurements 2. Face to Face meeting: Preparation of Validation ExerciseDate: 7th to 8th of March Goal: Definition of measurement program, participating instruments, vehicles, test procedure 3. AP-Validation exerciseDate: Sept. 2013 IspraDuration 3 weeks Goal: Validation of EtOH and Aldehydes measurement, possibly NH3 to be included
8. No data from VP2Additional measurement campaign necessaryAt least two weeks, ca. sept. 2013 (depending on availability of instruments)JRC will hostInstrument manufacturers methods:AVLHoribaInnova (to be verified)MAHASensorsGC-Method FTIRCall for instruments (on CIRCA)Vehicles: 2 different FFV, 2 GasolineValidation of measurement of EtOH and Aldehydes