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eLibrary > BS ISO 8178-2:2021 - TC Tracked Changes. Reciprocating internal combustion engines. Exhaust emission measurement - Measurement of gaseous and particulate exhaust emissions under field conditions >

BS ISO 8178-2:2021 - TC Tracked Changes. Reciprocating internal combustion engines. Exhaust emission measurement - Measurement of gaseous and particulate exhaust emissions under field conditions, 2022

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BS ISO 8178-2:2021 - TC Tracked Changes. Reciprocating internal combustion engines. Exhaust emission measurement - Measurement of gaseous and particulate exhaust emissions under field conditions, 2022

30452423
A-30426009 [Go to Page]
National foreword
Foreword
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviated terms [Go to Page]
3.1 Terms and definitions
3.2 Symbols [Go to Page]
3.2.1 General symbols
3.2.2 Symbols for measured chemical components
3.3 Abbreviated terms
4 Discrete-mode steady-state tests in the field when it is intended to either conduct measurements at a single operating point or conduct a weighted cycle-based test [Go to Page]
4.1 General
4.2 Test conditions [Go to Page]
4.2.1 General requirements
4.2.2 Engine test conditions
4.2.3 Power
4.2.4 Engine air intake system
4.2.5 Charge air cooler
4.2.6 Engine exhaust system
4.2.7 Engines with exhaust after-treatment systems
4.2.8 Crankcase emissions
4.2.9 Cooling system
4.2.10 Lubricating oil
4.2.11 Test fuels
4.3 Installation of sampling probes and equipment
4.4 Measurement equipment and data to be measured [Go to Page]
4.4.1 General
4.4.2 Zirconium dioxide (ZRDO) NOx analyser
4.4.3 Alternative measurement procedures
4.4.4 Torque and speed
4.4.5 Exhaust gas flow
4.4.6 Accuracy of the data to be measured
4.4.7 Determination of the gaseous components
4.4.8 Determination of the particulates
4.5 Running conditions [Go to Page]
4.5.1 Test cycles
4.5.2 Preparation of the engine
4.6 Test run [Go to Page]
4.6.1 General
4.6.2 PM measurement
4.6.3 Dilution air for particulate measurement
4.6.4 Test sequence
4.6.5 Gas analyser drift validation and correction
4.6.6 Emissions evaluation and calculation
4.6.7 Test report
5 Measurement of gaseous emissions performance of engines during typical in-service operation under field conditions using portable emission measurement systems (PEMS) [Go to Page]
5.1 Test conditions [Go to Page]
5.1.1 General requirements
5.1.2 Selection of engine for assessment of design performance
5.1.3 Machinery operation
5.1.4 Ambient conditions
5.1.5 Lubricating oil, fuel and reagent
5.1.6 Operating sequence
5.2 Data sampling methods [Go to Page]
5.2.1 Continuous data sampling
5.2.2 Combined data sampling
5.2.3 Temporary signal loss
5.3 ECU data stream [Go to Page]
5.3.1 General
5.3.2 Verification of availability and conformity of information
5.4 Test procedures
5.5 Data pre-processing
5.6 Determination of working events [Go to Page]
5.6.1 General
5.6.2 Combining operating sequences
5.7 Test data availability
5.8 Calculations [Go to Page]
5.8.1 General
5.8.2 Engines without communication interface
5.9 Test report
5.10 Instantaneous measured data file and instantaneous calculated data file
5.11 Overview of measurement and evaluation sequence
Annex A (normative) Portable Emissions Measurement System (PEMS)
Annex B (normative) Test procedure for gaseous emission measurement with a PEMS
Annex C (normative) Determination of reference work and CO2 for engines for which the applicable bench test cycle is solely NRSC
Annex D (normative) Data pre-processing for gaseous pollutant emissions calculations
Annex E (normative) Algorithm for the determination of working events during in-service testing
Annex F (normative) Determination of the instantaneous proxy power from CO2 mass flow rate
Annex G (normative) Gaseous pollutant emissions calculations
Annex H (normative) Conformity of the ECU torque signal
Annex I (normative) ECU data stream information requirements
Annex J (informative) Test report for in-service testing
Annex K (normative) Performance specifications, calibration and response factor for Zirconium Dioxide (ZRDO) NOx analyser
Bibliography [Go to Page]

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BS ISO 8178-2:2021 - TC Tracked Changes. Reciprocating internal combustion engines. Exhaust emission measurement - Measurement of gaseous and particulate exhaust emissions under field conditions, 2022

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