波纹管用于水下仪器设备压力平衡的力学性能分析

中国机械工程 ›› 2012, Vol. 23 ›› Issue (6): 712-716.

波纹管用于水下仪器设备压力平衡的力学性能分析

刘焕进;刘正士;王勇;毕嵘;陈恩伟

合肥工业大学,合肥,230009

出版日期:2012-03-26 发布日期:2012-04-13
基金资助:
国家自然科学基金资助项目（41076061）；高等学校博士学科点专项科研基金资助项目（2009011111006）
National Natural Science Foundation of China（No. 41076061）;
Research Fund for the Doctoral Program of Higher Education of China（No. 2009011111006）

Analysis of Mechanical Property of Corrugated Bellow Used for Pressure Balance for Underwater Equipment

Liu Huanjin;Liu Zhengshi;Wang Yong;Bi Rong;Chen Enwei 

Hefei University of Technology,Hefei,230009

Online:2012-03-26 Published:2012-04-13
Supported by:

National Natural Science Foundation of China（No. 41076061）;
Research Fund for the Doctoral Program of Higher Education of China（No. 2009011111006）

摘要/Abstract

摘要：

运用非线性有限元方法分析了U形波纹管在深海大压力环境下的非线性力学行为,提出了波纹管体积变化的计算方法和相关公式;基于液体的可压缩性,推导出了仪器工作水深与波纹管体积变化以及内外压差之间的关系式,并给出了内外压差的计算流程,从而为压力平衡用波纹管的设计计算提供参考。以充油式深海压力传感器为例,分析了U形波纹管的压力平衡能力与各种因素之间的关系,总结了波纹管式压力平衡结构的设计原则,从而为基于波纹管式压力平衡的水下仪器设备的结构设计提供指导。

关键词: 水下仪器设备, 设计原则, 波纹管, 压力平衡, 有限元

Abstract:

A large deflection deformation of U-shaped bellow under high pressure in deep sea was analyzed by means of nonlinear finite element method,and the method for calculating the volume change of bellow and related formulas were given.Based on the compressibility of liquid,the relationship among the working-depth of equipment,the volume change of the bellow and the pressure difference between inside and outside of the equipment was deduced.And the calculation process was also put forward,which can provide reference for design and calculation of bellow used for pressure balance.The relationship between the pressure balance performance of U-shaped bellow used for oil-filled deep-sea pressure sensor
and various factors was analyzed.The design principle of the structure using
bellow as pressure balance element was generalized, which can provide as guide to design underwater equipment using bellow as pressure balance element. 

Key words: underwater equipment, design principle, corrugated bellow, pressure balance, finite element

中图分类号:

TP212

刘焕进, 刘正士, 王勇;毕嵘, 陈恩伟. 波纹管用于水下仪器设备压力平衡的力学性能分析[J]. 中国机械工程, 2012, 23(6): 712-716.

LIU Huan-Jin, LIU Zheng-Shi, WANG Yong-；Bi-Rong, CHEN En-Wei. Analysis of Mechanical Property of Corrugated Bellow Used for Pressure Balance for Underwater Equipment[J]. China Mechanical Engineering, 2012, 23(6): 712-716.

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