Investigation of energy loss mechanisms in micromechanical resonators

2004 ◽  
Author(s):  
R.N. Candler ◽  
H. Li ◽  
M. Lutz ◽  
W.-T. Park ◽  
A. Partridge ◽  
...  
Keyword(s):  
Energy Loss ◽  
Micromechanical Resonators ◽  
Loss Mechanisms

Study of Energy Loss Mechanisms in AlN-Based Piezoelectric Length Extensional-Mode Resonators

2019 ◽  
Vol 28 (4) ◽  
pp. 619-627 ◽  
Author(s):  
Afzaal Qamar ◽  
Stewart Sherrit ◽  
Xu-Qian Zheng ◽  
Jaesung Lee ◽  
Philip X.-L. Feng ◽  
...  
Keyword(s):  
Energy Loss ◽  
Loss Mechanisms

Effects of Frictional Loss on Bicycle Chain Drive Efficiency

1999 ◽  
Vol 123 (4) ◽  
pp. 598-605 ◽  
Author(s):  
James B. Spicer ◽  
Christopher J. K. Richardson ◽  
Michael J. Ehrlich ◽  
Johanna R. Bernstein ◽  
Masahiko Fukuda ◽  
...  
Keyword(s):  
Energy Loss ◽  
Type Systems ◽  
Mechanical Efficiency ◽  
Chain Drive ◽  
Frictional Loss ◽  
Infrared Measurements ◽  
Drive Trains ◽  
Chain Drives ◽  
Lubrication Conditions ◽  
Loss Mechanisms

Chain drive efficiency has been studied to understand energy loss mechanisms in bicycle drive trains, primarily for derailleur-type systems. An analytical study of frictional energy loss mechanisms for chain drives is given along with a series of experimental measurements of chain drive efficiency under a range of power, speed and lubrication conditions. Measurements of mechanical efficiency are compared to infrared measurements indicating that frictional losses cannot account for the observed variations in efficiency. The results of this study indicate that chain tension and sprocket size primarily affect efficiency and that non-thermal loss mechanisms dominate overall chain drive efficiency.

Energy-loss mechanisms of hot electrons in n-InSb

1981 ◽  
Vol 14 (33) ◽  
pp. 5151-5169 ◽  
Author(s):  
K Shimomae ◽  
Y Hirose ◽  
C Hamaguchi
Keyword(s):  
Energy Loss ◽  
Hot Electrons ◽  
Loss Mechanisms

Energy loss mechanisms in the erosion of cemented tungsten carbide

1989 ◽  
Vol 23 (5) ◽  
pp. 659-664 ◽  
Author(s):  
D.M. Freinkel ◽  
S. Bartolucci Luyckx
Keyword(s):  
Energy Loss ◽  
Tungsten Carbide ◽  
Cemented Tungsten Carbide ◽  
Loss Mechanisms

Numerical models and experimental investigation of energy loss mechanisms in SOI-based tuning-fork gyroscopes

2009 ◽  
Vol 152 (1) ◽  
pp. 63-74 ◽  
Author(s):  
Yang Xu ◽  
Ren Wang ◽  
Shiva Krishna Durgam ◽  
Zhili Hao ◽  
Linda Vahala
Keyword(s):  
Experimental Investigation ◽  
Energy Loss ◽  
Tuning Fork ◽  
Numerical Models ◽  
Loss Mechanisms
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