Fretting wear analysis of different tube materials used in heat exchanger tube bundle

• Autorzy: Abbas T. , Khushnood S. , Nizam L. A. , Usman M.

Identyfikatory

DOI

10.12913/22998624/80309

• Języki publikacji: EN

Abstrakty

EN

Research on heat exchange has been carried out for more than five decades because of its importance in process industries and power generation plants. Heat exchanger experiencing cross flow are vulnerable to flow-induced vibration. This vibration causes the interaction of tubes with the baffle resulting in a fretting wear of the tubes. The present study focuses on fretting wear analysis of different tube materials. Fretting wear tests were performed on aluminum, copper and stainless steel instrumented central tubes against mild steel baffle. For each tube material the tests were performed for three different test durations i.e. 60 minutes, 120 minutes and 180 minutes at a cross flow velocity of 0.55 m/s. It was observed that vibrational amplitude of the flexible test tube is affected by its weight. A scanning electron microscope was used to analyze and measure the sizes of wear scar. The results indicated that wear loss in case of aluminum tube is the highest while that in case of stainless steel tube is the lowest.

Słowa kluczowe

EN

fretting wear; flow-induced vibration; flexible tube; cross flow velocity

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2017
• Tom: Vol. 11, no 4
• Strony: 123--133
• Opis fizyczny: Bibliogr. 26 poz., fig., tab.

Twórcy

autor

Abbas T.

• University of Engineering and Technology Taxila, Mechanical and Aeronautical Engineering Department, 47080 Taxila, Pakistan

autor

Khushnood S.

• University of Engineering and Technology Taxila, Mechanical and Aeronautical Engineering Department, 47080 Taxila, Pakistan

autor

Nizam L. A.

• University of Engineering and Technology Taxila, Mechanical and Aeronautical Engineering Department, 47080 Taxila, Pakistan

autor

Usman M.

• University of Engineering and Technology Taxila, Mechanical and Aeronautical Engineering Department, 47080 Taxila, Pakistan

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)