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MECHGM06 Heat Transfer & Heat Systems
|Title||Heat Transfer and Heat Systems|
|Level||MSc / MEng|
|UCL Credits/ECTS||15 / 6|
|Taught by||Dr William Suen (50%) Module Coordinator|
|Dr Andrea Ducci (50%)|
Completion of second year Thermodynamics (MECH2004)
For the heat transfer part, three modes of heat transfer will be studied, and the heat systems part deals with refrigeration and air-conditioning systems. At the end of the course students will be able to: ·
- Evaluate the thermal radiation heat transfer between surfaces.
- Solve one-dimensional steady state conduction problems by applying the heat balance equation and using thermal resistances through linear, cylindrical and spherical geometries.
- Determine the heat transfer occurring through a series of fins and their performance.
- Analyse convection problems and determine convection coefficients in external flow conditions, flat plate, cylinder, tube bundles and in internal flow conditions, circular and concentric circular tubes
- Design and dimension a heat exchanger system both by using the notions acquired in the previous points and by applying the NTU method or the log mean temperature difference method
- Understand the operation of a vapour compression refrigeration system and how its operation and performance depend on various internal and ambient conditions.
- Select appropriate refrigerant for a given application, characterize and choose suitable components from catalogues to balance a refrigeration system according to certain design specifications.
- Have a solid understanding of the Psychrometry of air conditioning processes and be able to choose optimum supply design conditions by using notions of sensible heat, latent heat and room ratio line.
Lecture presentations, tutorial classes and one piece of course assignment. Parts of the lecture notes
(Slides and tutorials) are made available in Moodle after the lecture.
The course has the following assessment components:
- Written Examination (2 hours, 65%)
- A critical review/ appraisal of a chosen topic (e.g. a review of FDD methodologies in HVAC&R or a review of modelling and simulation techniques in HVAC&R.)
To pass this course, students must:
- Obtain an overall pass mark of 50% for all sections combined
- Gosney W B, Principles of Refrigeration, Cambridge University Press, 1982.
- Stoecker W F and Jones J W, Refrigeration and Air-conditioning, McGraw-Hill, 1982.
- Fundamentals of heat and mass transfer”, Incropera, Dewitt, Bergman and Lavine, 6th Edition, John Wiley & sons Inc.
- Convection heat transfer, Bejan, 2nd Edition, John Wiley & sons Inc.
- Air Conditioning engineering, WP Jones, 5th Edition, Elsevier Butterworth-Heinemann
- Heating, ventilating, and air conditioning: analysis and design, McQuiston, Parker and Spitler, 6th edition, John Wiley & sons Inc.
Page last modified on 01 oct 13 16:06