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| The required fraction of the surface area for cooling the liquid phase is 30 %. (This is an approximate calculation that may be conservative especially if the shellside resistance is controlling). However the number of naturally submerged tubes, calculated using a balanced pressure drop model, is 3, which means that only 14 % of the surface is submerged by the liquid phase. You can re-run the case with an input value of the Area Fraction Submerged to bring the input and required values of the submerged surface into agreement. |
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