The Development of a Method for Validation of the Uncertainties of the Models Used in Thermal-Hydraulic Codes

• Published in: Thermal engineering Vol. 66; no. 5; pp. 310 - 315
• Main Authors: Gritsai, A. S., Migrov, Yu. A.
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 01.05.2019; Springer Nature B.V
• Subjects: Design parameters; Engineering; Engineering Thermodynamics; Heat and Mass Transfer; Hydraulics; Mathematical models; Nuclear Power Plants; Parameter uncertainty; Uncertainty analysis; uncertainty analysis; GRS method; thermal-hydraulic design code; closing relations; sensitivity analysis; KORSAR design code; law of distribution; statistics

The article deals with one of the most crucial and, at the same time, problematic stages of implementing the uncertainty analysis of thermal-hydraulic calculations by the GRS method—the validation of the statistical characteristics of model uncertainties—namely, of the circuit thermal-hydraulic bloc...