دانلود رایگان مقاله لاتین تحلیل شکست لوله از سایت الزویر
عنوان فارسی مقاله:
تجزیه و تحلیل شکست لوله به صفحه لوله اتصالات جوش در یک مبدل حرارتی پوسته و لوله
عنوان انگلیسی مقاله:
Failure analysis of tube-to-tubesheet welded joints in a shell-tube heat exchanger
سال انتشار : 2016
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مقدمه انگلیسی مقاله:
1. Introduction
Shell-tube heat exchangers are common type of heat exchanger which is widely used in industries such as oil refineries, thermoelectricity and mineral processing [1]. This type of heat exchanger consists of a shell (usually a large pressure vessel) with a bundle of tubes inside it. Heat is transferred between the fluid inside the tube (the tube side) and the fluid outside the tube but inside the shell (the shell side) through the tube walls, either from tube side to shell side or vice versa. A combination of welding and expansion process was usually the main technique for connecting the tube ends with the tubesheet in such type of heat exchangers. As we know, welded joints are very susceptible to sustain residual stresses. Due to the mechanisms such as stress corrosion, pitting corrosion, welding defects and so on, cracks and damages may easily formed at the tube-to-tubesheet welded joints [1,2]. Thus, tube-to-tubesheet welded joints become a weak part in such heat exchangers [3]. During the last several decades, a number of failures of the tube-to-tubesheet welded joint in the shell-tube heat exchangers were investigated [4–9]. However, failures of such welded joints are far from being eradicated completely and need to be further considered.In this work, fracture failure of a shell-tube heat exchanger at the tube-to-tubesheet welded joints was investigated using various material analysis techniques. Fatigue started at initial defects of the welded joint was confirmed as the failure mechanism of the heat exchanger.
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کلمات کلیدی:
Failure analysis of tube-to-tubesheet welded joints in a ... - OSTI.gov https://www.osti.gov/.../1259199-failure-analysis-tube-tubesheet-welded-joints-shell-t... by L Liu - 2016 - Cited by 4 - Related articles Jun 1, 2016 - Journal Name: Case Studies in Engineering Failure Analysis. Additional Journal Information: Related Information: CHORUS Timestamp: ... Failure Analysis of Lean Solution Cooler Exchanger Tube to Tube ... https://awo.aws.org/.../failure-analysis-of-lean-solution-cooler-exchanger-tube-to-tube... Feb 10, 2014 - Failure Analysis of Lean Solution Cooler Exchanger Tube to Tube-Sheet (TTS) Weld Failure. An innovative alternative design is recommended ... Failure Analysis of Lean Solution Cooler Exchanger Tube to Tube-Sheet www.aws.org/.../failure-analysis-of-lean-solution-cooler-exchanger-tube-to-tube-sheet... Failure Analysis of Lean Solution Cooler Exchanger Tube to Tube-Sheet (TTS) Weld Failure. Feb 10, 2014 02:21 PM. Failure Analysis of Lean Solution Cooler ... Repair of Tube–Tubesheet Weld Cracks in a Cracked Gas/Steam Heat ... link.springer.com/10.1007/s11668-011-9482-8 by S Adullah - 2011 - Cited by 2 - Related articles Jun 14, 2011 - Serious cracks were found at tube-to-tubesheet welds during the ... Failure analysis and repair procedure were reported in the present article. [PDF]Failure analysis of a shell and tube oil cooler rms.scu.ac.ir/Files/Articles/Journals/Abstract/Paper.pdf20111634053437.pdf by RT Mousavian - 2011 - Cited by 12 - Related articles Failure analysis was carried out on aluminum gaskets in both sides of a shell and ... The copper and carbon steel that are used as the tube and the tube sheet. Searches related to Failure analysis of tube-to-tubesheet tube to tubesheet welding procedure tube to tubesheet welding ppt tube to tubesheet joint type strength weld tube to tubesheet weld failure types tube to tubesheet expansion procedure sciencedirect
