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Uncertainty sources and error values.
| Uncertainty Source | Error |
|---|---|
| Machining error for measuring position | ±0.01 mm |
| J-type thermocouple reading | ±0.15 K |
| Thermal conductivity of Cu | ±2% |
| Thermal conductivity of Al | ±2.1% |
| Thermal contact resistance | ±2.37% |
| Surface temperature reading | ±0.62% |
| Heat flux | ±8.72% |
| Heat transfer coefficient | ±8.74% |
