Turbine-based combined cycle power water and liquid oxygen jet precooling evaporation rate and composition pressure calculation method

By using a method for calculating the evaporation rate and component pressure of turbine-based dynamic water and liquid oxygen jet precooling, the problem of inaccurate gas partial pressure measurement in multi-component jet cooling technology was solved, enabling high-precision evaluation of cooling effect and experimental optimization.

CN122432439APending Publication Date: 2026-07-21SHENYANG AEROSPACE UNIVERSITY +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENYANG AEROSPACE UNIVERSITY
Filing Date
2026-04-29
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing technologies cannot accurately measure the gas partial pressure at the outlet in multi-component jet cooling technology, which affects the evaluation of cooling effect and the optimization of experimental design.

Method used

Using Dalton's law of partial pressure and the principle of energy conservation, a method for calculating the precooling evaporation rate and component pressure of turbine-based dynamic water and liquid oxygen jets was designed. The stable evaporation temperature was obtained through iterative calculation, and the evaporation rate and partial pressure of different component gases at the outlet were calculated.

Benefits of technology

It enables high-precision calculation of outlet gas evaporation rate and component pressure, accurate evaluation of cooling effect, and optimization of experimental design conditions.

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Abstract

The application discloses a kind of turbine-based power water and liquid oxygen jet precooling evaporation rate and component pressure calculation method, it is related to turbine engine jet precooling and atomization field.The evaporation mass of water droplet in turbine engine inlet channel jet precooling and the partial pressure of water vapor are calculated by energy conservation and Dalton partial pressure law, to effectively characterize the cooling effect of liquid oxygen mixed jet and the influence of gas composition on cooling effect, under current experimental and simulation conditions, evaporation rate and outlet partial pressure need to be measured outlet unevaporated water flow and single-component gas pressure in wet air environment, it is difficult to guarantee for measurement accuracy, by the present calculation method, given test section inlet, outlet parameter and medium parameter, it can be measured that evaporation rate and partial pressure are converted into the measurement of fluid inlet and outlet physical property parameters, and numerical result is quickly calculated, to accurately evaluate the internal thermodynamic state of test section, optimize experimental design and operating condition, it has guiding significance to experimental engineering.
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