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Summary
This summary is machine-generated.

This study optimized regulating valve performance by improving valve core structure and using a combined buffer tank. This reduces sticking and required torque, enhancing operational efficiency.

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Area of Science:

  • Mechanical Engineering
  • Fluid Dynamics
  • Computational Mechanics

Background:

  • Regulating valves face sticking issues between the valve core and sleeve, leading to high rotational torque.
  • Existing buffer tank designs (triangular, U-shaped) have limitations in depressurization or stability.

Purpose of the Study:

  • To address the sticking phenomenon and reduce the driving torque of regulating valve cores.
  • To optimize the valve core structure and buffer tank parameters for improved performance.

Main Methods:

  • Fluid-solid coupling simulation analysis using Ansys WorkBench.
  • Structural improvement and parameter optimization of the valve core using a bird colony algorithm.
  • Mathematical modeling and optimization of triangular, U-shaped, and combined buffer tanks.

Main Results:

  • The combined buffer tank demonstrated superior depressurization effect and stability compared to triangular and U-shaped designs.
  • Optimal parameters for the combined buffer tank were identified: cut-in angle of 72°, plane angle of 60°, and depth of 1.65 mm.
  • The optimized structure effectively buffers pressure at the valve port, mitigating sticking issues.

Conclusions:

  • The improved valve core structure and optimized combined buffer tank provide an effective solution for regulating valve sticking.
  • The study offers a validated approach for enhancing the performance and reliability of regulating valves through computational analysis and optimization.