闫兴清
Personal Homepage
Paper Publications
高温下螺栓-法兰-垫片系统密封性能研究
Hits:

Indexed by:期刊论文

Date of Publication:2012-05-30

Journal:压力容器

Included Journals:ISTIC

Volume:29

Issue:5

Page Number:5-9

ISSN No.:1001-4837

Key Words:螺栓法兰连接;密封性能;热及结构分析;应力

Abstract:温度和内压载荷对螺栓法兰连接的密封性能有着显著的影响.采用有限元技术,对DN100mm,PN40 MPa的管法兰连接进行了热及结构分析,探讨了高温稳态工况下法兰、垫片和螺栓的温度分布,分析了预紧、加压和升温后的螺栓以及垫片的应力变化.结果表明,法兰、螺栓以及垫片沿径向存在温度梯度;内压作用后垫片应力明显降低;升温后垫片外侧应力减小,内侧应力增大;加压及升温后螺栓应力均增大.

Personal information

Engineer

Gender:Male

Alma Mater:大连理工大学

Degree:Doctoral Degree

School/Department:化工学院

Discipline:Chemical Process Equipment. Safety Science and Engineering

Business Address:大连理工大学西校区H509

Contact Information:13478665105

Click:

Open time:..

The Last Update Time:..


Address: No.2 Linggong Road, Ganjingzi District, Dalian City, Liaoning Province, P.R.C., 116024

MOBILE Version