Courses | VD Academic Affairs

Concept of stability. Lejeune-Dirichlet criterion. Nyquist criterion. Routh and Hurwitz criterion. Liapunov second method. Examples from rigid body dynamics. Effects of damping. Gyroscopic effects. Elastic stability under static load: Beam- columns, bars and frames, torsional buckling, buckling of rings, curved bars and arches. Dynamic instability: Divergence and flutter. Instability under nonconservative forces. Examples.

A generalized treatment of the solution of steady and transient heat conduction in finite and infinite regions. Approximate and exact methods of solution of problems involving phase change, variable thermal properties, heat generation, and non-linear boundary conditions. Heat conduction in composite media and in anisotropic solids.

Exact and approximate methods of solution of radiative heat transfer. Heat radiation of black bodies and non black bodies. Radiation between surfaces and through participating and non- participating media. Experimental methods. Radiation heat processes. Radiative properties of surfaces and gases. Multimode heat transfer in thermal systems. Numerical modeling.

Differential forms of the balance laws of mass, linear momentum, and energy, Boundary layer theory, Scale Analysis, Similarity solutions, Forced and free convention in laminar and turbulent, internal and external flows. Analogy between momentum and heat transfer. Heat and mass transfer in compressible flow.

Air-Conditioning systems and their physchrometric process, analysis and performance of direct contact heat and mass transfer exchanges: cooling towers, analysis of extended surface heat exchangers, analysis of cooling coils, air conditioning control.

Analysis and performance characteristics based on thermodynamics and fluid flow of non- conventional energy conversion systems.

Thermodynamics review, Availability, Irreversibility, Entropy creation efficiency and effectiveness. Rankine cycle: Ideal and real cycle, effects of superheating, reheating, feed water heat regeneration, condenser. Fossil-fuel steam generations: water tube boilers, design of natural and forced flow, furnace design with tube walls, evaporators, superheaters, economizers, fans, stacks. Rating of steam generators. Fuels and combustion. Steam turbines: Impulse and reaction turbines, analysis and sizing. Turbine rating methods, turbine losses, gas turbines cycles (simple open, regenerative and cooled), Combined cycle, rating of gas and gas/steam cycles. Condensate- feed water system: Condensers types and designs, feed water heaters types and designs, dearators, make up water. Circulating water systems.

Double-pipe heat exchangers. Shell and tube heat exchanger. Flow arrangements for increased heat recovery in shell and tube exchangers. Gases cooling and heating. Extended surfaces. Condensation of vapors and condensers design. Evaporation and evaporators. Steam generator design: Furnaces, superheaters, economizers, evaporators, cooling towers.

Machinery for vapor compression systems: Compressors (reciprocating, rotary positive displacement and turbo), condensing equipment, evaporators, expansion valves, cooling towers. Equipment design, characteristic and rating methods, equipment matching. Multistage vapor compression systems. Ammonia absorption refrigeration system design and characteristics. Lithium bromide-water absorption system design and characteristics. Steam jet regeneration systems design. Cold storage. Defrosting methods.

Conservation laws and Navier-Stokes equations closed-form solutions of standard viscous flow problems. Boundary layer theory. Ideal-fluid flow equations, potential flow. Elementary flows.

Basic concepts of gas dynamics and gas properties. Subsonic flow. Supersonic flow. Hypersonic flow. Shock-wave phenomena. Dimensional analysis. Experimental techniques and other selected topics.

Characteristics of different types of partial differential equations. Scalar representations of Navier-Stokes equations. Covarient and contravarient base vectors and calculus. Transformation of Navier-Stokes equations from physical space to computational space; Grid generation methods. Numerical methods for inviscid flows. Numerical methods for incompressible viscous flows.

Design of submerged and falling film evaporators. Single and multi-effect desalting systems and component design. Multi-stage flash (MSF) desalting system design. MSF components design (pumps, stages, brine heater, evacuating system,..). Mechanical vapor compression desalting system. Reverse osmosis desalting systems.

An upper division of graduate technical elective treating topics in mostly not covered in other courses, chosen at the discretion of the Graduate Program Committee.

Availability analysis. Irreversible Thermodynmics applied to engineering systems. Energy Analysis for power plants, refrigeration systems. Equilibrium and stability of thermodynamics system. General relations.