Analysis on the Couple Field of Fixed Tube-Sheet Heat Exchanger

2014 ◽  
Vol 680 ◽  
pp. 182-185
Author(s):  
Yan Ling Xu ◽  
Wei You Chen ◽  
Qing Wen Yang
Keyword(s):  
Heat Exchanger ◽  
Finite Elements ◽  
Parameter Sensitivity ◽  
Finite Elements Method ◽  
Tube Sheet ◽  
Couple Field ◽  
Reliable Design

Based on ANSYS, a finite elements method study is conducted on couple fields of fixed tube-sheet heat exchanger. On the basis on the calculating results, the paper tries to analyze and evaluate the reliability and parameter sensitivity of the couple field of fixed tube-sheet heat exchanger, so as to present references for the reliable design on the intensity of mechanical equipments.

Analysis on the Mechanical Field of Fixed Tube-Sheet Heat Exchanger

2014 ◽  
Vol 1079-1080 ◽  
pp. 488-491
Author(s):  
Yan Ling Xu ◽  
Xiao Dong Xu ◽  
Wei You Chen
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Heat Exchanger ◽  
Tube Sheet ◽  
Field Stress ◽  
Mechanical Field ◽  
Reliable Design ◽  
Element Method

A finite element method is conducted on the analysis of mechanical field stress of fixed tube-sheet heat exchanger based on ANSYS. On the basis of the calculating results, the paper tries to analyze and evaluate the mechanical field of fixed tube-sheet heat exchanger so as to present references for the reliable design on the intension of mechanical equipments.

scholarly journals Finite element modeling of multiple density materials of bone specimens for biomechanical behavior evaluation

2021 ◽  
Vol 3 (9) ◽  
Author(s):  
Sebastián Irarrázaval ◽  
Jorge Andrés Ramos-Grez ◽  
Luis Ignacio Pérez ◽  
Pablo Besa ◽  
Angélica Ibáñez
Keyword(s):  
Finite Elements ◽  
Computational Models ◽  
Reaction Force ◽  
Elastic Stiffness ◽  
Finite Elements Method ◽  
Mechanical Resistance ◽  
Assessment Procedure ◽  
Axial Tomography ◽  
Biomechanical Behavior ◽  
Ct Data

AbstractThe finite elements method allied with the computerized axial tomography (CT) is a mathematical modeling technique that allows constructing computational models for bone specimens from CT data. The objective of this work was to compare the experimental biomechanical behavior by three-point bending tests of porcine femur specimens with different types of computational models generated through the finite elements’ method and a multiple density materials assignation scheme. Using five femur specimens, 25 scenarios were created with differing quantities of materials. This latter was applied to computational models and in bone specimens subjected to failure. Among the three main highlights found, first, the results evidenced high precision in predicting experimental reaction force versus displacement in the models with larger number of assigned materials, with maximal results being an R2 of 0.99 and a minimum root-mean-square error of 3.29%. Secondly, measured and computed elastic stiffness values follow same trend with regard to specimen mass, and the latter underestimates stiffness values a 6% in average. Third and final highlight, this model can precisely and non-invasively assess bone tissue mechanical resistance based on subject-specific CT data, particularly if specimen deformation values at fracture are considered as part of the assessment procedure.

Solid-particle erosion in the tube end of the tube sheet of a shell-and-tube heat exchanger

2006 ◽  
Vol 50 (8) ◽  
pp. 885-909 ◽  
Author(s):  
M. A. Habib ◽  
H. M. Badr ◽  
S. A. M. Said ◽  
R. Ben-Mansour ◽  
S. S. Al-Anizi
Keyword(s):  
Heat Exchanger ◽  
Solid Particle ◽  
Solid Particle Erosion ◽  
Tube Sheet ◽  
Particle Erosion ◽  
Tube Heat Exchanger ◽  
Shell And Tube

Investigation of a Shell and Tube Exchanger in Process Gas Heating Service

2008 ◽  
Author(s):  
M. A. Porter ◽  
D. H. Martens
Keyword(s):  
Heat Exchanger ◽  
Tube Sheet ◽  
Sulfur Recovery ◽  
Treatment Unit ◽  
Gas Treatment ◽  
Flexible Tube ◽  
Process Gas ◽  
Large Shell ◽  
Section Viii ◽  
Shell And Tube

The design requirements for a large shell and tube vertical heat exchanger (to be used in a sulfur recovery tail gas treatment unit) included startup, shutdown and upset conditions that would subject the exchanger to significant temperature changes. The exchanger was designed to the requirement of the ASME Boiler and Pressure Vessel Section VIII Division 1 [1]. A detailed analysis of the thermal profiles and related stresses was performed to confirm the use of a flexible tube sheet design. The heat exchanger uses high pressure superheated steam on the shell side to heat a low pressure process gas on the tube side. The heat exchanger was sized and thermally rated, using commercially available analysis software. The proposed design was analyzed by Finite Element methods that included both thermal and stress analysis. These evaluations confirmed that a flexible tube sheet design was satisfactory when using specific dimensions.

Determination of residual stresses in disk keyways by the finite-elements method

1982 ◽  
Vol 14 (7) ◽  
pp. 865-867
Author(s):  
B. A. Kravchenko ◽  
V. G. Fokin ◽  
G. N. Gutman
Keyword(s):  
Finite Elements ◽  
Residual Stresses ◽  
Finite Elements Method
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