Course

# Chemical Engineering - Physical Transfer Phenomena & Heat Transfer

Applications of transport processes in separation processes in the modules Absorption and Stripping, Distillation, Liquid–Liquid Extraction, Filtration and Membrane Separation Processes, Crystallization and Particle Size Reduction, Settling, Sedimentation and Centrifugation, Drying.

Learning Objectives Mass Transfer
On completion of this course, a student should be able to:

• Perform a simple mass balance on a fluid process
• Specify a control volume for solving fluid-mechanics problems
• Derive the overall mass-balance equation
• Derive the energy balance based on thermodynamic principles
• Explain the concept of the kinetic-energy correction factor
• Use the kinetic-energy correction factor for different flow regimes and problems
• Apply the energy balance to the design of a pump
• Extend the overall energy balance to derive the overall mechanical energy balance
• Explain how the concept of work and energy is applied to pumps and piping systems
• Calculate the energy needed to operate a pump in a piping system
• Derive the Bernoulli equation
• Explain the limitations of the Bernoulli equation
• Use the Bernoulli equation to calculate the fluid discharge rate from a tank
• Derive the overall momentum balance and describe each force term in the balance
• Apply the overall momentum balance to solve fluid mechanics problems in one and two dimensions
• Explain the concept of a shell momentum balance
• Apply a shell momentum balance on a fluid element flowing in a circular pipe

Learning Objectives Heat Transfer
On completion of this course, a student should be able to:

• Use both the American and SI units of energy when solving heat-transfer problems
• Apply the principle of conservation of energy (i.e., energy balance) for reacting and nonreacting systems
• Recognize that a temperature difference is the driving potential for heat transfer
• Know the difference between a heat flux and a heat rate
• Realize that heat transfer may occur by one of the three basic mechanisms of heat transfer: conduction, convection, and radiation
• Understand the basics of Fourier’s law and its similarity to other rate transfer processes
• Explain the physical significance of thermal conductivity and its basic mechanisms in gases, liquids, and solids
• Use Newton’s Law of Cooling to solve for heat flux generated by convection
• Explain the physical significance of a heat-transfer coefficient
• Use the Stefan–Bolztmann equation to solve for the heat flux generated by radiation
• Solve problems in which heat is transferred by conduction in different materials/fluids in series or in parallel

Learning Objectives Flow
On completion of this course, a student should be able to:

• Explain the concept of drag
• Identify flows around solids, as opposed to flows inside conduits and pipes
• Distinguish between skin drag and form drag
• Sketch and explain flow behavior around an immersed object
• Explain how boundary-layer separation is observed in flows around solids
• Calculate the drag coefficient and drag force for flows around solids
• Explain how flow behavior can vary if the solid object is a cylinder, sphere, or disk
• Identify industrial examples of flows around immersed objects
• Explain the concept of a packed bed
• Calculate the voidage and solid-volume fraction of a packed bed
• Use the Blake–Kozeny equation to calculate the pressure drop in a packed bed for laminar flow
• Use the Burke–Plummer equation to calculate the pressure drop in a packed bed for turbulent flow
• Use the Ergun equation to calculate the pressure drop in a packed bed
• Explain the concept of equivalent diameters
• Explain the concept of shape factors, in particular, sphericity
• Explain the difference between a fluidized and a packed bed
• Explain the differences between particulate and bubbling fluidization
• Calculate the minimum fluidization velocity for a fluidized bed
• Calculate the voidage of a fluidized bed at different fluidization velocities
• Calculate the minimum bubbling velocity for a fluidized bed