Operations of Light Duty Chassis Dynamometer and Vehicle Emissions Testing

A. Tutorial (4 hrs)

1. Background
   • Major Sources of Air Pollution
   • The needs of vehicle emissions testing

2. Major World Regulatory Standards

• Emissions regulations and standards (e.g., USA, EU, HK…)
• European Union – Light Duty Emission Test Types
• Emissions control (e.g., TD, EPD)

3. Basic principle of chassis dynamometer

• Types of dynamometers
• Load calculations
• Testing cycle
• Emissions testing
• Gas analyser, exhaust flow measurement system

4. Calculations of emissions and fuel consumption

B. Practical workshop (6 hrs)

1. Preparation works of light duty chassis dynamometer testing (including vehicle entry procedure)

2. Calibration procedures of testing equipment
   • Chassis dynamometer
   • Emissions gas analyser

3. Installation and setup procedures of chassis

dynamometer testing

4. Operation of Chassis dynamometer and emissions gas analyser (including Particulate Matter and Particle Number counter)

5. Results and data analysis

C. Practical Quiz/ evaluation (2 hrs)

1. Preparation works of light duty chassis dynamometer testing (including vehicle entry procedure)

2. Calibration procedures of testing equipment

• Chassis dynamometer
• Emissions gas analyser

3. Installation and setup procedures of chassis dynamometer testing

4. Operation of Chassis dynamometer and emissions gas analyser (including Particulate Matter and Particle Number counter)