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Parametric optimisation for the design of gravity energy storage system using Taguchi method.

Mostafa E A Elsayed1,2, Saber Abdo3,4, Ahmed A A Attia3,5

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This study optimized gravitational energy storage systems by analyzing design parameters. Piston diameter and height significantly impact performance, leading to improved renewable energy storage solutions.

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Area of Science:

  • Renewable Energy Systems
  • Energy Storage Technologies
  • Mechanical Engineering

Background:

  • Gravitational energy storage is a viable renewable energy integration method.
  • System performance is sensitive to various design parameters.
  • Optimization is crucial for efficient and reliable energy storage.

Purpose of the Study:

  • To investigate the impact of design features on gravitational energy storage systems.
  • To optimize the energy storage rate through parametric analysis.
  • To identify key design parameters for enhanced system performance.

Main Methods:

  • Developed a theoretical model in MATLAB SIMULINK for performance simulation.
  • Employed Taguchi and Analysis of Variance (ANOVA) for parametric optimization.
  • Studied six parameters: piston (diameter, height, material density) and return pipe (diameter, length), plus charging/discharging time.

Main Results:

  • Piston diameter (35.11%) and height (30.28%) were the most significant design parameters.
  • Optimal values identified: piston diameter (0.25 container height), piston height (0.5 container height), and return pipe diameter (0.01 container height).

Conclusions:

  • Design parameters, particularly piston dimensions, critically influence gravitational energy storage efficiency.
  • The study provides optimized design recommendations for reliable, economical, and sustainable energy storage.
  • Findings can enhance energy storage and power generation from renewable sources.