Method and device for determining condensation heat transfer parameters of a nitrogen pressure stabilizer

By determining the operating conditions and objective function of the nitrogen pressurizer, and calculating the overall heat transfer coefficient and wall condensation parameters, the problem of insufficient calculation of condensation heat transfer parameters under high-pressure conditions is solved, the design and safety analysis capabilities of the nitrogen pressurizer are improved, and the safe and stable operation of the pressurized water reactor is ensured.

CN122242329APending Publication Date: 2026-06-19CHINA NUCLEAR POWER TECH RES INST CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA NUCLEAR POWER TECH RES INST CO LTD
Filing Date
2026-02-12
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Traditional technologies lack methods for calculating the overall heat transfer coefficient and heat flux density of nitrogen pressure regulators under high pressure and high nitrogen mass fraction conditions, which limits the design and safety analysis capabilities of nitrogen pressure regulators.

Method used

A method for determining the condensation heat transfer parameters of a nitrogen pressure regulator is provided. The operating conditions are determined based on the operating parameters of the nitrogen pressure regulator, the overall heat transfer coefficient is calculated using a specific objective function and objective parameters, and the wall condensation parameters are determined based on the overall heat transfer coefficient, including the total heat transferred during the condensation process and the heat flux density from the mixed gas space to the wall.

Benefits of technology

This ensures the accuracy of condensation heat transfer parameters under different operating conditions, improves the design and safety analysis capabilities of the nitrogen pressurizer, and guarantees the safe and stable operation of the pressurized water reactor.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application relates to a method and apparatus for determining the condensation heat transfer parameters of a nitrogen pressurizer. The method includes: determining the operating condition of the nitrogen pressurizer based on its operating parameters; determining the objective function corresponding to the operating condition, and determining the objective parameters corresponding to the objective function from the operating parameters; determining the overall heat transfer coefficient of the nitrogen pressurizer under the operating condition based on the objective parameters and the objective function; and determining the wall condensation parameters of the nitrogen pressurizer based at least on the overall heat transfer coefficient. The wall condensation parameters include the total heat transferred during the condensation process and the heat flux density from the mixed gas space to the wall. This application employs the above method to ensure the accuracy of the condensation heat transfer parameters obtained under different operating conditions, thereby improving the design and safety analysis capabilities of the nitrogen pressurizer and contributing to ensuring the safety and stability of the pressurized water reactor during operation.
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