Determination of the overall heat transfer coefficient of the condenser

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Comrades, regarding the estimation of the heat exchange area of the condenser, and the preliminary assessment of the overall heat transfer coefficient, do you have reasonable values for these? I hope you can offer some suggestions. Thank you! 1. Enameled reaction kettle: a. Overall heat transfer coefficient of water and organic solvents ； b. Overall heat transfer coefficient for water vapor and organic solvents ； 2. Carbon steel reaction kettle: a. Overall heat transfer coefficient for water and organic solvents ； b. Overall heat transfer coefficient for water vapor and organic solvents ； 3. Stainless steel reaction kettle: a. Overall heat transfer coefficient for water and organic solvents ； b. Overall heat transfer coefficient for water vapor and organic solvents ； 4. Graphite reaction kettle: a. Overall heat transfer coefficient of water and organic solvents ； b. Overall heat transfer coefficient for water vapor and organic solvents ； 5. Stainless steel shell-and-tube condenser: a. Overall heat transfer coefficient for water and organic vapors ； 6. Enameled disc condenser: a. Overall heat transfer coefficient for water and organic vapors ； 7. Graphite porous block condenser: a. Overall heat transfer coefficient for water and organic vapors ；