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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 Greg Foley | Office Number | X203 |
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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:·
- Derive basic heat transfer equations from first principles·
- Obtain physical properties of fluids from Thermodynamic Property Tables
- Apply Fourier's and Newton's laws to solve heat transfer problems
- Solve heat transfer problems using empirical correlations
- Solve heat transfer problems using trial and error methods
- Design simple heat exchangers
- Solve simple diffusion problems
- Formulate mass transfer problems in terms of film and overall mass transfer coefficients
- Solve problems in batch and continuous multi-stage liquid-liquid extraction
- Solve problems for gas absorption in packed columns
- 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 boilingMass 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 EditionSupplementary:Unit Operations of Chemical Engineering. W.L. McCabe, J.C. Smith and P. Harriott, 6th Edition 2001Heat Transfer 7th Edition, J.P. Holman, McGraw Hill
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Programme or List of Programmes
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| BSSA | Study Abroad (DCU Business School) |
| BSSAO | Study Abroad (DCU Business School) |
| BT | BSc in Biotechnology |
| ECSA | Study Abroad (Engineering & Computing) |
| ECSAO | Study Abroad (Engineering & Computing) |
| HMSA | Study Abroad (Humanities & Soc Science) |
| HMSAO | Study Abroad (Humanities & Soc Science) |
| SHSA | Study Abroad (Science & Health) |
| SHSAO | Study Abroad (Science & Health) |
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