Abstract

The heat pipe as one of the most efficient heat exchanger device is used in many thermal engineering applications. Through sufficient literature research and summary, a comprehensive and systematic analysis of the application of heat pipe cooling technology in motor cooling is provided. The basic principles and key technologies of heat pipe cooling technology is introduced. What’s more, various factors affecting the cooling efficiency of heat pipes and two main types of heat pipe applications in motor cooling are discussed. Finally, the current status of research on heat pipe cooling motors at home and abroad are reviewed.

Highlights

  • 1 Introduction an outlook on the development prospect of heat pipe technology in motor cooling application is provided

  • A heat pipe is a component with small cross-section, high heat transfers and high efficiency, which acts as an excellent heat conductor and is capable of transferring heat from a heat source to an external fluid environment with almost no temperature difference

  • Due to the rapid development of integrated, high power motors, efficient and reliable heat pipe cooling will be more popular in the motor cooling industry

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Summary

Overview of heat pipe cooling technology

A heat pipe is a component with small cross-section, high heat transfers and high efficiency, which acts as an excellent heat conductor and is capable of transferring heat from a heat source to an external fluid environment with almost no temperature difference. As the most efficient heat transfer element, heat pipe has many applications in cooling and heat dissipation, waste heat recovery, etc., which has become one of the major energy saving and emission reduction tools utilized today

Principle of heat pipe cooling technology
Factors that affect the heat transfer performance of heat pipes
Performance characteristics of heat pipes
The research status of heat pipe in motor cooling
Stator and rotor heat pipe cooled motors
Heat pipe shaft cooling motor
Conclusion
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