Heat and Mass Transfers in Food Processing

At the end of this course, the students should be able to: 1. differentiate between conduction, convection and radiation as modes of heat transfer 2. derive equations for specific problems and in different coordinate systems; and 3. discuss steady and non-steady diffusion, heat and mass transfer driven processes in the food industry.

Heat Transfer: Heat transfer systems (types of heat exchanger). Modes of heat transfer (conductive heat transfer- steady state in different geometries and layers. convective (free and forced) and radiative heat transfer). Estimation of convective heat and overall transfer coefficient. Fouling of heat transfer surfaces. Design of heat transfer exchanger. Unsteady- state transfer. Pyschrometry and its application in food processing. Ohmic and microwave heating. Mass Transfer: Diffusion process. Convective Mass transfer. Laminar and turbulent flow (over a flat plat, in a pipe, over spherical bodies). Unsteady-state mass transfer. Transient-state diffusion. Diffusion of vapour through solid films. 400 Level GET 402 Engineering Project I (2 Units: C; PH 90) Learning Outcomes At the end of this course, the students should be able to: 1. Complete the design phase of a complex engineering problem sourced from industry or community during the SIWES III programme. 2. Demonstrate the connection between engineering product-making and the theoretical courses they have learned following the applicable industry best practices. Course Contents In the second semester of the 400-level students, preferably in groups, work from the university on the identified industry or organization to tackle industry complex engineering problems. Theoretical issues may be provided by the department faculty or industry experts. During the vacation, students will now work full time with the organisation/industry on the project as part of the SIWES III. The students can also go beyond the department and engage in multidisciplinary undertakings. Literature survey, review of existing systems etc. must be achieved to a satisfactory extent. GET 404 Engineering Valuation and Appraisal (2 Units: C; LH 30) Learning Outcomes At the end of this course, the students should be able to: 1. Identify at least three (3) objectives of engineering valuation work, valuer's primary duty and responsibility and valuation terminologies. 2. Describe at least four (4) Valuer's obligation to his or her client, to other valuers, and to the society. 3. Demonstrate with example the engineering valuation methods, valuation standards, and practices. 4. Prepare engineering valuation and appraisal reports and review 5. Discuss expert witnessing and ethics in valuation. 6. Determine price, cost, value, depreciation and obsolescence in real property, personal property, personal property, machinery and equipment, oil, gas, mines, and quarries valuation. MEE 402 Theory (Mechanics) of Machines II (2 Unit C: LH30) Leaning Outcomes At the end of this course, the students should be able to: 1. identify the forces acting on a mechanism and the resolution of the forces; 2. demonstrate understanding of the performance of various mechanisms and principal machine elements as regards their kinematics and dynamics; 3. identify the types of motion and their applications; 4. identify forces on shaft and bearing due to single revolving mass; 5. demonstrate procedure for balancing several masses in different transverse planes; 6. prepare professional quality solutions and presentations to effectively communicate the results of analysis and design; 7. translate ideas and imaginations into conceptual designs using the tools of conventional engineering drawings and computer aided designs; and 8. use the knowledge of the course to solve real life problems related to production processes and to develop machines. Course Content Force analysis of mechanisms, fluctuation of kinetic energy and inertial effects. Complete static and dynamic analysis. Flexible shaft couplings: belt, rope and chain drives. The flywheel and mechanical governors. Brakes and dynamometers. Balancing of multi-cylinder engines. Balancing of machinery. Vibration of machinery; free and forced vibration, damping, natural frequencies and critical speeds. Transverse vibrations of beams, whirling of shafts and torsional vibrations.