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Thermal Management of Bone Drilling Based on Rotating Heat Pipe

Author

Listed:
  • Jiajia Chen

    (College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China)

  • Dongdong Yuan

    (College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China)

  • Huafei Jiang

    (College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China)

  • Liyong Zhang

    (College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China)

  • Yong Yang

    (College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China)

  • Yucan Fu

    (College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)

  • Ning Qian

    (College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)

  • Fan Jiang

    (College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)

Abstract

Bone drilling is a common surgical operation, which often causes an increase in bone temperature. A temperature above 47 °C for 60 s is the critical temperature that can be allowed in bone drilling because of thermal bone osteonecrosis. Therefore, thermal management in bone drilling by a rotating heat pipe was proposed in this study. A new rotating heat pipe drill was designed, and its heat transfer mechanism and thermal management performance was investigated at occasions with different input heat flux and rotational speed. Results show that boiling and convection heat transfer occurred in the evaporator and film condensation appears in the condenser. The thermal resistance decreases with the increase of the rotational speed at the range from 1200 to 2000 rpm and it decreases as the input heat flux rises from 5000 to 10,000 W/m 2 and increases at 20,000 W/m 2 . The temperature on the drill tip was found to be 46.9 °C with an input heat flux of 8000 W/m 2 and a rotational speed of 2000 rpm. The new designed rotating heat pipe drill showed a good prospect for application to bone drilling operations.

Suggested Citation

  • Jiajia Chen & Dongdong Yuan & Huafei Jiang & Liyong Zhang & Yong Yang & Yucan Fu & Ning Qian & Fan Jiang, 2021. "Thermal Management of Bone Drilling Based on Rotating Heat Pipe," Energies, MDPI, vol. 15(1), pages 1-16, December.
    • Handle: RePEc:gam:jeners:v:15:y:2021:i:1:p:35-:d:708029
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