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	2004 MAN D20 engine

Benchmarking Report Content

The Model Year 2004 MAN D20 engine assessment includes the following data:

• Extensive steady-state mapping at 128 speed/load conditions, including:

  • Performance

  • Gaseous emissions and smoke (particulate emissions taken at 21 points)

  • Fuel consumption and efficiency

  • Fuel injection schedule

  • EGR rates

  • Heat rejection

    • EGR cooler

    • Aftercooler

    • Total engine coolant

• Step transient response testing at three test speeds, 0-100-0% load:

  • Torque rise rate

  • NO_x and smoke opacity

  • Actuator response

  • Injection timing

• FTP & ESC emissions testing

• Motoring friction at 10-12 speeds

• Recording of cylinder pressure at 128 points and detailed analysis of 21 select points (including points from the ISO 8178 C1 procedure)

• Engine disassembly and inspection:

  • Critical dimensions

  • Exhaust treatment system description

  • Subsystem and component descriptions

  • Photographs of components

• Air flow testing of head

  • Port flow coefficients

  • Swirl

  • Pressure drop

Price: $49,500

For more information about Model Year 2004 MAN D20 engine assessment capabilities at Southwest Research Institute (SwRI) or how you can contract with SwRI, please contact Michael Ross, Program Manager, mross@swri.org or

(210) 522-2690. The fax number is (210) 522-3950.
 

| Design and Development | Engine, Emissions & Vehicle Research Division | SwRI Home |

Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 11 technical divisions.

August 08, 2008