Question 7 The Analysis Of The Convective Mass Transfer Process Using The Mass Transfer Coefficient Provides A Simpler E 1 (19.82 KiB) Viewed 36 times
Question 7 The Analysis Of The Convective Mass Transfer Process Using The Mass Transfer Coefficient Provides A Simpler E 2 (19.82 KiB) Viewed 36 times
Question 7 The analysis of the convective mass transfer process using the mass transfer coefficient provides a simpler engineering description of a complex diffusion phenomenon. A) Define convective mass transfer [2 marks] B) What is the difference between natural and forced convective mass transfer processes [3 marks] C) Briefly discuss the significance of turbulent flow in the mass transfer process [5 marks] D) At 25°C a closed 19.2 L vessel contained 0.8 L of water and the rest dry air. The water surface area 150 cm³ and after 3 min the air was 5% saturated with water vapor. Calculate the mass transfer coefficient of water vapor in air [10 marks] [Data: Saturation vapor pressure of water in air @25°C = 3.2 kPa]
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