Heat Transfer
Vibrations in the tubes of a shell and tube heat exchanger is induced due to the

Flow of fluid on the tube and shell sides
Vibrations transmitted through piping and/or supports due to external reasons
All of these
Oscillations in the flow of shell/tube sides fluid

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Heat Transfer
Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m² .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the

Higher condensing film co-efficient is desired
Lower pressure drop through the exchanger is desired
Condensate is corrosive in nature
Temperature of the incoming vapor is very high

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