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Green technology

Researchers Develop New Approach to Increase Energy Efficiency of Renewable Energy Plants

Strategic Insights

— 1 min read

Researchers from the Iran University of Science and Technology have made a breakthrough in increasing the energy efficiency of renewable energy power plants. According to a study published in Sustainable Energy Technologies and Assessments, the team has developed a new approach using centrifugal pumps as turbines (PATs) to produce clean energy in pressure reduction stations. The study evaluates the performance of PATs with experimental and numerical approaches, verifying the validity of numerical solutions and demonstrating a significant increase in energy efficiency.

Key Takeaways:

  • The research team developed a new approach using centrifugal pumps as turbines (PATs) to produce clean energy in pressure reduction stations.
  • The study evaluated PAT performance with experimental and numerical approaches, verifying the validity of numerical solutions and demonstrating a significant increase in energy efficiency.
  • The researchers designed a new runner by modifying three blade parameters, including thickness, leading edge, and curvature, to improve hydropower performance within the operating range.
  • The special runner reduced adverse flow phenomena, such as blade inlet shock, flow separation, and vortex formation within the flow passage.
  • The results indicate that the efficiency of PAT with a special runner increased by 2.58%, 3.04%, 7.23%, and 4.53% at low-load, design, high-load, and overload conditions, respectively.
  • The research has been peer-reviewed and published in Sustainable Energy Technologies and Assessments.

Statistics:

  • The efficiency of PAT with a special runner increased by 2.58% at low-load condition (0.8Qd).
  • The efficiency of PAT with a special runner increased by 3.04% at design condition (1.0Qd).
  • The efficiency of PAT with a special runner increased by 7.23% at high-load condition (1.2Qd).
  • The efficiency of PAT with a special runner increased by 4.53% at overload condition (1.3Qd).
  • 465: The page number of the news report in Ecology, Environment & Conservation.

Sources:

  • NewsRx. Reports on Sustainable Energy from Iran University of Science and Technology Provide New Insights [The Role of Changing Runner Geometry In Expanding Energy Efficiency of a Centrifugal Pump As Turbine (Pat)]. Ecology, Environment & Conservation. June 20, 2025; p 465.
  • Sustainable Energy Technologies and Assessments. Volume 77, 2025. Article titled: The Role of Changing Runner Geometry In Expanding Energy Efficiency of a Centrifugal Pump As Turbine (Pat).
  • Salman Saremian, Iran University of Science and Technology, School of Mechanical Engineering, Tehran, Iran.

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