3-dimensional stress analysis of superheater headers
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Authors
Barnes, Jonathan D.
Subjects
Thermal stresses
Superheater headers
ADINA
Superheater headers
ADINA
Advisors
Cantin, Gilles
Date of Issue
1989-12
Date
December 1989
Publisher
Monterey, California. Naval Postgraduate School
Language
en_US
Abstract
Naval Sea Systems Command (NAVSEA) initiated an investigation of the Tarawa Class (LHA-1) superheater headers due to the reoccurance of numerous crack and leaks in the tube to header attachment welds. A dimensional solid finite element model was developed to simulate the superheater header geometry. ADINA, a finite element program for automatic dynamic incremental nonlinear analysis, is used to evaluate the stresses present in the header particularly the stresses that are present in the tube to header welds. The model that is used evaluates the stresses induced by both pressure and thermal loadings. This is part of a continuing study of high pressure and high temperature boiler components.
Type
Thesis
Description
Series/Report No
Department
Mechanical Engineering
Organization
Naval Postgraduate School (U.S.)
Identifiers
NPS Report Number
Sponsors
Funder
Format
118 p.
Citation
Distribution Statement
Approved for public release; distribution is unlimited.
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.