Table 1 Measured quantities and their uncertainties.
Symbol | Quantity | Measurement method | Uncertainty |
---|---|---|---|
T | Plate temperature | T-type thermocouple | 1 K or 1.5% below 273 K |
Pc | Test section pressure | Kulite CTL-190M140BARA | 7 kPa |
δ | SS plate thickness | Calipers | 0.03 mm |
Rx | Radial position of TCs on Ring x | Ruler | 1.6 mm (1/16″) |
ṁ | LN2 mass flow rate | Coriolis flow meter | 0.3% |
M | Mass of the fluid components (tube, tee, nozzle) | scale | 0.1 g |