Research Article
Prediction of Waste Heat Energy Recovery Performance in a Naturally Aspirated Engine Using Artificial Neural Network
Table 2
Details of the instrumentation used in the experiment.
| Measured variable | Instrument | Brand | Range | Uncertainty |
| Air volume flow rate [m3/min] | Pitot tube anemometer | Extech | 0–99,999 | ±3% rdg | Throttle angle [degree] | Existing throttle sensor | — | — | — | Engine speed [rpm] | Optical tachometer | Compact | 100–60,000 rpm | ±0.5% | WHRM turbine speed [rpm] | Optical tachometer | Compact | 100–60,000 rpm | ±0.5% | Voltage [V] | USB multimeter | Pros’Kit | 0–600 V | ±(0.5% + 4 d) | Current [A] | USB multimeter | Pros’Kit | 0–10 A | ±(1.2% + 10 d) |
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