The effect of internal pressure and thickness on the creep strain of the superheater pipes

Superheater pipes in turbines commonly are used to produce superheated steam. Internal pressure is critical for steam superheater elements. The pipes in such applications are vulnerable to temperature environments, which can bring the component to enter the creep regime, creep deformation, or even c...

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Main Authors: Riyadi, Tri Widodo Besar, Fatuloh , Sopyan Sahid
Format: UMS Journal (OJS)
Language:eng
Published: Universitas Muhammadiyah Surakarta 2020
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Online Access:https://journals2.ums.ac.id/index.php/arstech/article/view/21
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author Riyadi, Tri Widodo Besar
Fatuloh , Sopyan Sahid
author_facet Riyadi, Tri Widodo Besar
Fatuloh , Sopyan Sahid
author_sort Riyadi, Tri Widodo Besar
collection OJS
description Superheater pipes in turbines commonly are used to produce superheated steam. Internal pressure is critical for steam superheater elements. The pipes in such applications are vulnerable to temperature environments, which can bring the component to enter the creep regime, creep deformation, or even creep fracture. In general, most of the failures in boilers are caused by creep. Creep-resistant materials used in facilities operated at high temperatures must, therefore, be able to withstand the highest possible temperature loads. This study aims to investigate the creep behaviour of a 617 alloys steel steam pipe, which operated within 100,000 hours. The temperature of steam was set at 700?C, and the pressure in the pipe was 35 MPa. Abaqus software based on the finite element method was used in the study. The effect of internal pressure and pipe thickness on the creep strains was observed. The variation of the internal pressure was 35, 37.5, 40, 42.5, and 45 MPa. Whereas, the thickness variations were 30, 35, 40, 45, and 50 mm. The simulation results revealed that an increase in the internal pressure and the decrease of the pipe thickness increase the creep strain. This study can be used to predict the possibility of creep damaged for the superheater pipes operated at high temperatures, which have different thicknesses.
format UMS Journal (OJS)
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institution Universitas Muhammadiyah Surakarta
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publishDate 2020
publisher Universitas Muhammadiyah Surakarta
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spelling oai:ojs2.journals2.ums.ac.id:article-21 The effect of internal pressure and thickness on the creep strain of the superheater pipes Riyadi, Tri Widodo Besar Fatuloh , Sopyan Sahid Pipe thickness Creep strain Alloy 617 Superheater pipe Internal pressure Abaqus Superheater pipes in turbines commonly are used to produce superheated steam. Internal pressure is critical for steam superheater elements. The pipes in such applications are vulnerable to temperature environments, which can bring the component to enter the creep regime, creep deformation, or even creep fracture. In general, most of the failures in boilers are caused by creep. Creep-resistant materials used in facilities operated at high temperatures must, therefore, be able to withstand the highest possible temperature loads. This study aims to investigate the creep behaviour of a 617 alloys steel steam pipe, which operated within 100,000 hours. The temperature of steam was set at 700?C, and the pressure in the pipe was 35 MPa. Abaqus software based on the finite element method was used in the study. The effect of internal pressure and pipe thickness on the creep strains was observed. The variation of the internal pressure was 35, 37.5, 40, 42.5, and 45 MPa. Whereas, the thickness variations were 30, 35, 40, 45, and 50 mm. The simulation results revealed that an increase in the internal pressure and the decrease of the pipe thickness increase the creep strain. This study can be used to predict the possibility of creep damaged for the superheater pipes operated at high temperatures, which have different thicknesses. Universitas Muhammadiyah Surakarta 2020-06-05 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://journals2.ums.ac.id/index.php/arstech/article/view/21 10.23917/arstech.v1i1.21 Applied Research and Smart Technology (ARSTech); Vol. 1 No. 1 (2020): Applied Research and Smart Technology; 11-15 2722-9645 2722-9637 10.23917/arstech.v1i1 eng https://journals2.ums.ac.id/index.php/arstech/article/view/21/11 Copyright (c) 2020 Tri Widodo Besar Riyadi, Sopyan Sahid Fatuloh https://creativecommons.org/licenses/by/4.0
spellingShingle Pipe thickness
Creep strain Alloy 617
Superheater pipe
Internal pressure
Abaqus
Riyadi, Tri Widodo Besar
Fatuloh , Sopyan Sahid
The effect of internal pressure and thickness on the creep strain of the superheater pipes
title The effect of internal pressure and thickness on the creep strain of the superheater pipes
title_full The effect of internal pressure and thickness on the creep strain of the superheater pipes
title_fullStr The effect of internal pressure and thickness on the creep strain of the superheater pipes
title_full_unstemmed The effect of internal pressure and thickness on the creep strain of the superheater pipes
title_short The effect of internal pressure and thickness on the creep strain of the superheater pipes
title_sort effect of internal pressure and thickness on the creep strain of the superheater pipes
topic Pipe thickness
Creep strain Alloy 617
Superheater pipe
Internal pressure
Abaqus
topic_facet Pipe thickness
Creep strain Alloy 617
Superheater pipe
Internal pressure
Abaqus
url https://journals2.ums.ac.id/index.php/arstech/article/view/21
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