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Heat transfer and thermal error analysis of micro - macro coaxial driver

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Abstract

In order to reduce the influence of temperature on the operating performance of the macro and micro drive, a double-wounding circulating water cooling structure is proposed. Based on the law of thermal resistance, the heat transfer model of the macro and micro drive forced convec-tion cooling was established, and the influencing factors of the internal temperature distribution of the macro and micro drive system were analyzed. And the macro to micro drive forced con-vection cooling when the macro dynamic system part of the output force, and the size of the output displacement and micro system of the rise of temperature of the giant magnetostrictive material (GMM) and output displacement simulation and experiment, the results show that when the circulating water flow rate is more than 3 m/s, macro to micro drive internal temperature decreased significantly, the macro dynamic range at around 1 N. The fluctuation range of macrodynamic output displacement is between 0∼20 µm. The error of output displacement gen-erated by the micro-motion magnetostrictive rod is less than 1 µm, at this time, the temperature change has little influence on the output force, output displacement and micro output displace-ment of the macro-moving part.

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Abbreviations

B m :

Permanent magnet working magnetic density

B r :

Residual flux density of the permanent magnet

B g :

Air gap magnetic density respectively

V g :

Permanent magnet volume

V m :

Air gap volumer

H cb :

Coercivity of the permanent magnet

ΔT :

Difference between the temperature of the permanent magnet and the room temperature

I coil :

Intensity of the current flowing through the coil

R :

Total resistance of the winding coil

P :

Resistivity of the wire

A :

Cross product of the wire

L :

Total length of the wire

n c :

Total number of turns of the coil

d 0 :

Outer diameter of the wire

d 1 :

Inner diameter of the wire

\(\dot \varphi \) :

Heat generated per unit of volume in unit time

C :

Specific heat capacity

L :

Length of the GMM rod

v :

Velocity of circulating wate

d m :

The mass of the liquid that goes in

C T :

Heat capacity of water

P :

Density of water

α G :

Coefficient of thermal expansion

T 0 :

Environment temperature

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Authors and Affiliations

  1. School of Mechanical Engineering, Anhui University of Technology, Huainan, 23001, China

    Hai Shun Deng, Yongtao Wang, Tian Xie, Bo Xu & Sen Huang

Authors
  1. Hai Shun Deng
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  2. Yongtao Wang
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  3. Tian Xie
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  4. Bo Xu
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  5. Sen Huang
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Corresponding author

Correspondence to Hai Shun Deng.

Additional information

Haishun Deng was born in July 1978, doctor, Professor, young academic backbone of Anhui University of Science and Technology, doctoral supervisor. In June 2013, he graduated from the School of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, and got a doctor’s degree. His research interests include structural optimization and test analysis of hydraulic components construction and simulation research of hydraulic system research of new mining machinery.

Yongtao Wang was born Hefei, Anhui Province, China. He received his bachelor’s degree from Anhui University of Science and Technology in 2020 and is currently studying for his master’s degree from Anhui University of Science and Technology. He is mainly engaged in the research of giant magnetostrictive materials.

Tian Xie was born in yuncheng, China, in 1984. She received the B.S. degree in precision instruments and machinery from Hefei University of Technology. She is currently pursuing the Ph.D. degree in mechanical engineering, Anhui University of Science & Technology. Her research direction is giant magnetostrictive precision drive and control technology.

Sen Huang was born Chi zhou, Anhui Province, China. He received his bachelor’s degree from Anhui University of Science and Technology in 2020 and is currently studying for his master’s degree in Anhui University of Science and Technology. He is mainly engaged in intelligent flow control.

Bo Xu was born Tong Ling, Anhui Province, China. He received his bachelor’s degree from Anhui University of Science and Technology in 2018 and is currently studying for his master’s degree in Anhui University of Science and Technology. He mainly engages in intelligent flow control heat transfer and space propulsion.

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Deng, H.S., Wang, Y., Xie, T. et al. Heat transfer and thermal error analysis of micro - macro coaxial driver. J Mech Sci Technol 37, 5411–5423 (2023). https://doi.org/10.1007/s12206-023-0840-8

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  • DOI: https://doi.org/10.1007/s12206-023-0840-8

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