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BS ISO 6460-1:2022 – TC

BS ISO 6460-1:2022 – TC

$258.95

Tracked Changes. Motorcycles. Measurement method for gaseous exhaust emissions and fuel consumption – General test requirements

Published By Publication Date Number of Pages
BSI 2022 164
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PDF Catalog

PDF Pages PDF Title
96 undefined
101 Foreword
102 Introduction
103 1 Scope
2 Normative references
3 Terms and definitions
104 4 Symbols
107 5 Standard reference conditions
6 Tests
6.1 Measurement of gaseous exhaust emissions
6.1.1 Average gaseous exhaust emissions during conventional test cycles
6.1.2 Measurement of gaseous exhaust emissions at an idling speed
6.2 Measurement of fuel consumption
6.2.1 Average fuel consumption during conventional test cycles
6.2.2 Fuel consumption at a constant speed
7 Measurement equipment
7.1 General
7.2 Chassis dynamometer
7.3 Gas-collection equipment
109 7.4 Analytical equipment
110 7.5 Cooling equipment
7.6 Fuel consumption measurement
111 7.7 Accuracy of instruments and measurements
8 Preparing the test
8.1 Engine fuel and lubricants
8.2 Description of the test motorcycle
8.3 Conditioning/preparation of the test motorcycle
112 8.4 Calibration and adjustment of analysers
8.4.1 Calibration of the analysers
113 8.4.2 Adjustment of the analysers
115 8.4.3 Reference gases and accuracy of the mixing device
9 CVS system check procedure
116 10 Procedure for sampling, analysing and measuring the volume of gaseous exhaust emissions
10.1 Operations to be carried out before the test motorcycle start up
119 10.2 Beginning of sampling and volume measurement
10.3 End of sampling and volume measurement
10.4 Analysis
120 10.5 Measuring the driving distance
10.6 Open type CVS system
11 Determination of the quantity of gaseous exhaust emissions
11.1 Total diluted exhaust mixture volume corrected to the standard reference conditions
11.1.1 Total diluted exhaust mixture volume for the CVS system with CFV
121 11.1.2 Total diluted exhaust mixture volume for the CVS system with PDP
11.1.3 Total diluted exhaust mixture volume for the CVS system with SSV
122 11.2 Exhaust emissions sampling and the dilution factor
11.2.1 Exhaust emissions sampling
11.2.2 Dilution factor
123 11.3 Mass of the gaseous exhaust emissions
11.3.1 Mass of carbon monoxide
124 11.3.2 Mass of total hydrocarbons
11.3.3 Mass of non-methane hydrocarbons
126 11.3.4 Mass of nitrogen oxides
127 11.3.5 Mass of carbon dioxide
12 Determination of the fuel consumption
12.1 Carbon balance method
12.1.1 Fuel consumption for four-stroke engines
128 12.1.2 Calculation of results in litres per 100 km
12.2 Fuel flow measurement method
129 12.2.1 Fuel consumption for four-stroke engines
12.2.2 Calculation of results in litres per 100 km
130 Annex A (normative) Method and equipment for measuring fuel consumption by the fuel flow measurement method
141 Annex B (informative) Example for record form of test fuel specifications
142 Annex C (informative) Exhaust emissions leakage check procedure for the open type CVS system
148 Annex D (informative) Determination of the dilution factor
157 Annex E (informative) Principle of the carbon balance method for four-stroke engines
158 Annex F (informative) Simplified determination method of the atom number ratio of hydrogen and carbon, and that of oxygen and carbon in gasoline
159 Annex G (informative) CVS system check procedure
160 Bibliography

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BS ISO 6460-1:2022 - TC
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