Week 2 : Basic Calibration of Single cylinder SI-Engine

1. Run the case at 1800 RPM.

ANS- Following are the steps to be done to run the case at 1800 rpm.

Go to tutorial > Engine Performance>Open 1cylSI > Save same file in yor folder with any name to do modifications>Open saved file>Go to case set up>Change the rpm to 1800rpm from 3600rpm> click on apply>OK>Now run the model>List down the Important paramenters

1.Airflow - 24.6 kg/h, 2.Power - 7.1kW, 3.BMEP - 10.61 Bar, 4.Torque- 37.7Nm,

5. BSFC - 239.2g/kWh, 6.Cylinder Pressure - 48.89Bar.

2. Increase the power out but by 10% at 3600rpm.

ANS- Following are the steps to be Increase the power out put at 3600 rpm. Power- 18.6kW Airflow-65.6 kg/h , Torque - 49.3kg/h , Fuel Flow- 4.5 kg/h , BMEP - 12.9 Bar