Table 1 Measured quantities and their uncertainties.

From: Cryogenic spray quenching of simulated propellant tank wall using coating and flow pulsing in microgravity

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″)

LN2 mass flow rate

Coriolis flow meter

0.3%

M

Mass of the fluid components (tube, tee, nozzle)

scale

0.1 g