ДСТУ EN ISO 18854:2017 Судна малі. Вимірювання викидів вихлопних газів поршневих двигунів внутрішнього згоряння. Вимірювання викидів газів і частинок на випробувальному стенді (EN ISO 18854:2015, IDT; ISO 188...
ДСТУ EN ISO 18854:2017
(EN ISO 18854:2015, IDT; ISO 18854:2015, IDT)
Судна малі. Вимірювання викидів вихлопних газів поршневих двигунів
внутрішнього згоряння. Вимірювання викидів газів і частинок
на випробувальному стенді
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)
Contents
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
4.1 General symbols
4.2 Symbols for fuel composition
4.3 Symbols and abbreviations for the chemical components
4.4 Abbreviations
5 Test conditions
5.1 Engine test conditions
5.2 Engines with charge air cooling
5.3 Power
5.4 Specific test conditions
6 Test fuels
7 Application of the engine family concept and choice of parent engine
8 Measurement equipment and data to be measured
8.1 General
8.2 Dynamometer specification
8.3 Exhaust gas flow
8.4 Accuracy
8.5 Determination of the gaseous components
8.6 Particulate determination
8.6.1 General
9 Calibration of the analytical instruments
9.1 General requirements
9.2 Calibration gases
9.3 Operating procedure for analysers and sampling system
9.4 Leakage test
9.5 Calibration procedure
9.6 Calibration of tracer gas analyser for exhaust flow measurement
9.7 Efficiency test of the NOx converter
9.8 Adjustment of the FID
9.9 Interference effects with CO, CO2, NOx, O2, NH3, and N2O analysers
9.10 Calibration intervals
10 Calibration of the particulate measuring system
10.1 Genel
10.2 Calibration procedure
10.3 Checking the partial-flow conditions
10.4 Calibration intervals
11 Calibration of the CVS full-flow dilution system
11.1 General
11.2 Calibration of the Positive Displacement Pump (PDP)
11.3 Calibration of the Critical-Flow Venturi (CFV)
11.4 Calibration of the Subsonic Venturi (SSV)
11.5 Total system verification
12 Test cycles (running conditions)
12.1 Requirements
12.2 Test cycles
13 Test run
13.1 Preparation of the sampling filters
13.2 Installation of the measuring equipment
13.3 Starting the dilution system and the engine
13.4 Adjustment of the dilution ratio
13.5 Determination of test points
13.6 Checking of the analysers
13.7 Test cycles
13.8 Re-checking the analysers
13.9 Test report
14 Data evaluation for gaseous and particulate emissions
14.1 Gaseous emissions
14.2 Particulate emissions
15 Calculation of the gaseous emissions
15.1 General
15.2 Determination of the exhaust gas flow
15.3 Dry/wet correction
15.4 NOx correction for humidity and temperature
15.5 Calculation of the emission mass flow rates
15.6 Calculation of the specific emission
16 Calculation of the particulate emission
16.1 Particulate correction factor for humidity
16.2 Partial-flow dilution system
16.3 Full-flow dilution system
16.4 Calculation of the particulate mass flow rate
16.5 Calculation of the specific emissions
16.6 Effective weighting factor
17 Determination of the gaseous emissions
17.1 General
17.2 Main exhaust components CO, CO2, HC, NOx, O2
17.3 Ammonia analysis
17.4 Methane analysis
17.5 Methanol analysis
17.6 Formaldehyde analysis
18 Determination of the particulates
18.1 General
18.2 Dilution system
18.3 Particulate sampling system
Bibliography
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