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Heat Transfer
Heat Exchangers
GATE 2018
Medium

Segmental baffles in a 2-4 shell and tube heat exchanger

  • Achange the flow pattern of the tube side fluid and increase the overall heat transfer coefficient
  • increase the heat transfer coefficient in the shell side and support the tubes
  • Chelp reduce the thermal expansion of the tubes and increase the heat transfer coefficient in the tube side
  • Dincrease the number of passes in the shell side and increase the heat transfer coefficient in the tube side

Explanation

Segmental baffles direct crossflow on the shell side (raising the shell-side heat transfer coefficient) and provide structural support for the tube bundle.

Source: GATE CH 2018 (2018)

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