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Title
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Experimental study on cross-flow induced vibrations in heat exchanger tube bundle.
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Sub-Title |
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Subject |
Cross-flow, tube bundle, parallel triangular internal tube flow, damping
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Sub-Subject |
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Author |
Shahab Khushnood & Luqman Ahmad Nizam
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Publish Year |
2015 |
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Diss#. |
https://doi.org/10.1007/s13344-017-0011-8 |
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Chapters |
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Pages |
91-97 |
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Text Language |
English |
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Accession |
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Library Section |
Research Article |
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Abstract |
Vibration in heat exchangers is one of the main problems that the industry has faced over last few decades. Vibration phenomenon in heat exchangers is of major concern for designers and process engineers since it can lead to the tube damage, tube leakage, baffle damage, tube collision damage, fatigue, creep etc. In the present study, vibration response is analyzed on single tube located in the centre of the tube bundle having parallel triangular arrangement (60textdegree) with P/D ratio of 1.44. The experiment is performed for two different flow conditions. This kind of experiment has not been reported in the literature. Under the first condition, the tube vibration response is analyzed when there is no internal flow in the tube and under the second condition, the response is analyzed when the internal tube flow is maintained at a constant value of 0.1 m/s. The free stream shell side velocity ranges from 0.8 m/s to 1.3 m/s, the reduced gap velocity varies from 1.80 to 2.66 and the Reyn
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