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工程设计学报
Chinese Journal of Engineering Design  2007, Vol. 14 Issue (1): 48-51    DOI:
    
Numerical analysis on expandable ability of expandable screen shell
 ZHANG  Jian-Qiao1, LIU  Yong-Hong1, Lv  Guang-Zhong2 , LIU   Jing1, WEI  Xin-Fang1, JI  Ren-Jie1
1.College of Mechanical and Electronic Engineering, China University of Petroleum, Dongying 257061 China;2.Geological Scientific Research Institute, Shengli Oil Farm, Dongying 257015, China
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Abstract  To enhance expandable ability of expandable screen shell, a circular bellow shell is designed and its expandable ability is analyzed by non-linear FEA method. Result of numerical calculation indicates that this circular bellow shell has small stress but large displacement compensation. The bellow radius has close relation with its expandable ability. The former restricts its expandable symmetrical degree and its easy-manufacture ability. With the increase of bellow radius, expandable force and non-roundness, as well as contact area between sleeve and shell, decrease. The reasonable bellow radius is 8-14 mm. Moreover, thethickness of shell has little impact on expandable force and stress storage coefficient, but it restricts the outside diameter of expandable screen and the size of inside accessory. The reasonable thickness of shell is 12 mm.

Key words： expandable screen      circular bellow      nonlinear finite element method      mechanicalsand control     
Published: 28 February 2007
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Articles by authors
ZHANG Jian-Qiao
LIU Yong-Hong
Lv Guang-Zhong
LIU Jing
WEI Xin-Fang
JI Ren-Jie
Cite this article:

ZHANG Jian-Qiao, LIU Yong-Hong, Lv Guang-Zhong , LIU Jing, WEI Xin-Fang, JI Ren-Jie. Numerical analysis on expandable ability of expandable screen shell. Chinese Journal of Engineering Design, 2007, 14(1): 48-51.

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https://www.zjujournals.com/gcsjxb/     OR     https://www.zjujournals.com/gcsjxb/Y2007/V14/I1/48


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关键词： 可膨胀筛管 圆形波纹管,  非线性有限元法,  机械防砂 
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