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The helical ground source heat exchanger (GSHE) is an innovative system used for heating and cooling buildings by harnessing geothermal energy which is an environmentally friendly and renewable energy source. The current research focuses on enhancing the heat transfer rate and overall thermal efficiency of a helix ground heat exchanger system by adjusting the inlet velocities of the base fluid, i.e., water. Using numerical simulations in ANSYS FLUENT, the investigation is done on how altering the velocity of base fluid impacts various thermal performance characteristics. The aim is to gain more understanding regarding the GHE system’s efficiency by analysing factors like heat transfer rate, effectiveness, and total thermal resistance offered to the flow. It has been found that with the decrease in flow velocity, temperature differences increase, leading to increased effectiveness and efficiency.

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Study of Thermal Performance of a Helical Ground Source Heat Exchanger by Varying the Inlet Velocity of Base Fluid, Water

  • 会议论文

  • 发表日期：

    2026年

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  • Arunabha Mahato,
  • Sony Atwal,
  • Ravi Kant Singh,
  • Shaik Latheef Rahaman,
  • Anshu Kumar Tiwari,
  • Aditya Narayan Dey,
  • Pothula Radhika,
  • Chinnari Chandrika,
  • Subhas Chandra Rana

摘要

The helical ground source heat exchanger (GSHE) is an innovative system used for heating and cooling buildings by harnessing geothermal energy which is an environmentally friendly and renewable energy source. The current research focuses on enhancing the heat transfer rate and overall thermal efficiency of a helix ground heat exchanger system by adjusting the inlet velocities of the base fluid, i.e., water. Using numerical simulations in ANSYS FLUENT, the investigation is done on how altering the velocity of base fluid impacts various thermal performance characteristics. The aim is to gain more understanding regarding the GHE system’s efficiency by analysing factors like heat transfer rate, effectiveness, and total thermal resistance offered to the flow. It has been found that with the decrease in flow velocity, temperature differences increase, leading to increased effectiveness and efficiency.