Research Article

Characteristics of Hydrogen Distribution under Steam Condensation in an Enclosed Vessel: Steady-State and Transient Tests

Table 1

Uncertainties of the measurement instruments.

ParametersInstrumentsMeasurement error

Wall and gas temperatureK-type thermocouple1.1 K
Coolant temperatureK-type thermocouple0.2 K
Coolant flow rateElectromagnetic flowmeter0.03 m3/hr
Total pressureSMART-type pressure transmitter0.45 kPa
Helium mole fractionThermal conductivity analyzer2 Vol.%