How to reduce energy consumption in friction process?
The key to reducing energy consumption is to control the way of energy dissipation in the friction process. However, due to many various factors affecting friction and the lack of efficient detection methods, the energy dissipation mechanism in friction is still a challenging problem.
How does friction affect energy consumption?
About 30% of the world’s primary energy consumption is in friction. The economic losses caused by friction energy dissipation and wear account for about 2%–7% of its gross domestic product (GDP) for different countries every year. The key to reducing energy consumption is to control the way of energy dissipation in the friction process.
Can friction energy dissipation be used in high-end equipment?
Finally, the application of friction energy dissipation in representative high-end equipment is discussed, and the potential economic saving is predicted. Meng Y G, Xu J, Jin Z M, Prakash B, Hu Y Z. A review of recent advances in tribology. Friction 8 (2): 221–300 (2020) Ma L R, Luo J B. Thin film lubrication in the past 20 years.
Is there a nonlinear two-degree-of-freedom friction system with piezoelectric elements?
Wang et al. proposed a nonlinear two-degree-of-freedom friction system with piezoelectric elements considering the stick-sliding motion, model coupling instability, mass and belt separation and reattachment simultaneously. The complex eigenvalue analysis and transient dynamic analysis of the nonlinear system were carried out .
What is ultrafast friction energy dissipation?
Then, we attempt to summarize the ultrafast friction energy dissipation and introduce the high-resolution friction energy dissipation detection system, since the origin of friction energy dissipation is essentially related to the ultrafast dynamics of excited electrons and phonons.
What are structural vibration characteristics under friction?
In recent years, the structural vibration characteristics under friction, including the transformation between dynamic and static frictions , system stability analysis [18, 19], and energy harvesting under friction [20, 21] have received attention from researchers.
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CN1987093A
The method of utilizing frictional force generating of the present invention is a method of utilizing the frictional force that produces between the rotation of object and gas or the liquid to generate electricity.The friction plate wheel that drives generator by frictional force rotates generating, forwards the generator electricity to distributor by power ring again, by distributor ...
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