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Keywords: lifts
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Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. August 2007, 129(4): 434–440.
Published Online: April 9, 2007
... long history, sucker-rod pumping is a very popular means of artificial lift all over the world; roughly two-thirds of the producing oil wells are on this type of lift. According to statistic data, it is known that the mean efficiency of current sucker-rod pumping systems does not reach 30%. This means...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. August 2007, 129(4): 471–477.
Published Online: February 21, 2007
... ,” Trans. Jpn. Soc. Mech. Eng., Ser. C 0387-5024 , 70 ( 693 ), pp. 1258 – 1262 (in Japanese). Rayleigh , L. , 1945 , “ The Theory of Sound ,” Dover , New York, Vol. 1 , p. 232 . 06 06 2006 21 02 2007 ropes lifts vibrations damping finite difference methods...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. February 2006, 128(1): 66–78.
Published Online: April 5, 2005
... with the theoretical predictions. 09 12 2003 05 04 2005 lifts vibrations structural acoustics acoustic intensity vibration control The design of high-rise elevators poses significant challenges. To improve the efficiency, it is necessary to increase the speed limit to over 1,000 m...