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Heat Transport Capacity of an Axial-Rotating Single-Loop Oscillating Heat Pipe for Abrasive-Milling Tools

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Listed:
  • Ning Qian

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

  • Yucan Fu

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

  • Marco Marengo

    (Advanced Engineering Centre, University of Brighton, Brighton BN2 4GJ, UK)

  • Jiuhua Xu

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

  • Jiajia Chen

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

  • Fan Jiang

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

Abstract

In order to enhance heat transfer in the abrasive-milling processes to reduce thermal damage, the concept of employing oscillating heat pipes (OHPs) in an abrasive-milling tool is proposed. A single-loop OHP (SLOHP) is positioned on the plane parallel to the rotational axis of the tool. In this case, centrifugal accelerations do not segregate the fluid between the evaporator and condenser. The experimental investigation is conducted to study the effects of centrifugal acceleration (0–738 m/s 2 ), heat flux (9100–31,850 W/m 2 ) and working fluids (methanol, acetone and water) on the thermal performance. Results show that the centrifugal acceleration has a positive influence on the thermal performance of the axial-rotating SLOHP when filled with acetone or methanol. As for water, with the increase of centrifugal acceleration, the heat transfer performance first increases and then decreases. The thermal performance enhances for higher heat flux rises for all the fluids. The flow inside the axial-rotating SLOHP is analyzed by a slow-motion visualization supported by the theoretical analysis. Based on the theoretical analysis, the rotation will increase the resistance for the vapor to penetrate through the liquid slugs to form an annular flow, which is verified by the visualization.

Suggested Citation

  • Ning Qian & Yucan Fu & Marco Marengo & Jiuhua Xu & Jiajia Chen & Fan Jiang, 2020. "Heat Transport Capacity of an Axial-Rotating Single-Loop Oscillating Heat Pipe for Abrasive-Milling Tools," Energies, MDPI, vol. 13(9), pages 1-15, April.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:9:p:2145-:d:352681
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    References listed on IDEAS

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    1. Alhuyi Nazari, Mohammad & Ahmadi, Mohammad H. & Ghasempour, Roghayeh & Shafii, Mohammad Behshad, 2018. "How to improve the thermal performance of pulsating heat pipes: A review on working fluid," Renewable and Sustainable Energy Reviews, Elsevier, vol. 91(C), pages 630-638.
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    Cited by:

    1. Ivan CK Tam & Brian Agnew, 2020. "Thermal Systems—An Overview," Energies, MDPI, vol. 14(1), pages 1-3, December.

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