Table 3 Accuracy, range, and uncertainty of the measuring instruments.
Instrument | Measurement | Limitation | Accuracy | Uncertainty |
|---|---|---|---|---|
Pressure Transducer | Pressure | 200 bar | 2% | \(\:\pm\:\) 0.2 |
DI gas Analyzer | CO HC NO | 10% 2000 ppm 4000 ppm | \(\:\pm\:\) 0.02% 0–5 ppm 0–15 ppm | \(\:\pm\:\) 0.2 \(\:\pm\:\) 0.2 \(\:\pm\:\) 0.2 |
Crank Angle Encoder | Crank angle | 720o | \(\:\pm\:\)10 | \(\:\pm\:\) 0.10 |
Loading Device | Load | 100 kg | \(\:\pm\:\)0.2 kg | \(\:\pm\:\) 0.2 |
Speed sensor | Speed of Engine | 3000 rpm | \(\:\pm\:\)15 rpm | \(\:\pm\:\) 0.2 |
Weighing Balance | Fuel consumption | 15 kg | \(\:\pm\:\)0.001 | \(\:\pm\:\)0.002 |