Direct Current Dynamometer

The Direct Current Dynamometer has the same function as the Alternating Current Dynamometer.  Additionally, it is able to bring the room temperature and engine down to 0 degrees C to allow for evaluation of engine starts in cold climates. This type of testing is critical to ensure reliable and low emission starts for vehicles at cold temperatures. Click on the image to view a video of the dynamometer at work.


  • Four quadrant, 200 HP DC dyno services one engine bay
  • Modular engine bays allow engine carts to be swapped among  test cells, increasing the flexibility of the dynamometer facility
  • Horiba Mexa 7500 with V&F H2 Analyzer for measurement of gas species
  • Dual line analyzer provides two 5-gas lines plus measurement of H2 from an independent analyze
  • ETAS ES1000 Calibration system supports calibration of various ECU’s via CAN bus or ETK interface
  • dSpace MicroAutobox provides rapid-prototyping capability for developing algorithims for engine control
  • 128-Channel Data Acquisition System permits the acquisition of up to 64 analog inputs and 64 thermocouple inputs with sampling rates of up to 10 kHz
  • Laminar Flow Element mobile device provides precision measurement of air flow rate for accurate measurement of  engine air flow
  • Standard Engine Lab Hardware provides inventory of pressure transducers, UEGO sensors and other items available for research project use

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