Registry
Module Specifications
Archived Version 2005 - 2006
Module Title |
Heat and Mass Transfer
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Module Code |
BE223
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School |
School of Biotechnology
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Online Module Resources
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Module Co-ordinator | Dr Anne Morrissey | Office Number | D104 |
Level |
2
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Credit Rating |
5
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Pre-requisite |
None
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Co-requisite |
None
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Module Aims
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To develop a good understanding of the physical principles underlying heat and mass transfer. To understand the methodology and quantitative approach of the process engineer and to be able to use this approach in problem solving. To acquire the necessary background for BE271.
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Learning Outcomes
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At the end of this course, the student should be able to:
7 Derive basic heat transfer equations from first principles
7 Obtain physical properties of fluids from Thermodynamic Property Tables
7 Apply Fourier's and Newton's laws to solve heat transfer problems
7 Solve heat transfer problems using empirical correlations
7 Solve heat transfer problems using trial and error methods
7 Design simple heat exchangers
7 Solve simple diffusion problems
7 Formulate mass transfer problems in terms of film and overall mass transfer coefficients
7 Solve problems in batch and continuous multi-stage liquid-liquid extraction
7 Solve problems for gas absorption in packed columns
7 Solve problems in flash and batch distillation and understand the concept of reflux
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Indicative Time Allowances
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Hours
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Lectures |
36
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Tutorials |
12
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Laboratories |
0
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Seminars |
0
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Independent Learning Time |
27
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Total |
75
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Placements |
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Assignments |
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NOTE
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Assume that a 5 credit module load represents approximately 75 hours' work, which includes all teaching, in-course assignments, laboratory work or other specialised training and an estimated private learning time associated with the module.
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Indicative Syllabus
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Heat Transfer
· Steady state conduction in planar, cylindrical and spherical geometry
· Principles of convection. Natural convection
· Forced convection: single phase heat transfer coefficients. Overall heat transfer coefficients and their relationship with single phase coefficients
· Analysis of double pipe heat exchangers - parallel flow and counter flow
· Prediction of single phase heat transfer coefficients
· Shell-and-tube and plate heat exchangers
· Condensation and boiling
Mass Transfer
· Examples of mass transfer in daily life and biotechnology
· Fick's laws of diffusion - steady state diffusion through
a thin film
· Gas-liquid interfaces and the saturation concept
· Describing mass transfer with film coefficients
· Overall mass transfer coefficients - relations between
overall and film coefficients; special cases
· Gas absorption in packed columns - calculation of column
height for linear equilibrium; prediction of mass transfer
coefficients in packed columns
· Liquid-liquid extraction - batch and continuous
multi-stage systems; stage efficiency
· Distillation - flash distillation; batch distillation and
the Rayleigh equation; reflux
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Assessment | Continuous Assessment | 20% | Examination Weight | 80% |
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Indicative Reading List
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Essential:
Thermodynamic and Transport Properties of Fluids. G.F.C. Rogers and Y.R. Mayhew, 5th Edition
Supplementary:
Unit Operations of Chemical Engineering. W.L. McCabe, J.C. Smith and P. Harriott, 6th Edition 2001
Heat Transfer 7th Edition, J.P. Holman, McGraw Hill
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Programme or List of Programmes
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BT | BSc in Biotechnology |
Archives: | |