CCMAS Course Search

pSpice simulation; Design of BJT-based amplifier systems; Design of FET-based amplifier systems; Current-series feedback design; Current-series feedback design; Voltage-shunt feedback design; Differential amplifier; Op-amp IC applications; Positive feedback and oscillator circuits; Advanced electronic laboratory skills (design, analysis, construction, and measurement of advanced analog electronic circuits using discrete devices (diodes, bipolar junction transistors, MOSFETs).

Thick cylinders; compound cylinders. Rotating disks. Bending of flat plates. Beams on an elastic foundation. Membrane stresses in shells of revolution. Two-dimensional theory of elasticity. Elastoplastic problems and limit theory. 500 level

Energy and civilization, fossil fuels: availability and depletion, Nuclear Energy, Global Warming, Green and Renewable Energy Sources. Estimates of energy costs, components of electric grid, electric energy outlook in Nigeria. Distribution and generation technologies and economics. Fundamentals of Solar Power Systems Photovoltaic Power Conversion, Photovoltaic Material, Modelling of Photovoltaic Systems, Design of Photovoltaic Systems, Concentrated Solar Power. Fundamentals of wind power systems wind power conversion, modelling of wind power systems, design of wind systems. hydrogen energy, energy storage and other renewable energy sources. Integration of distribution and generation into the grid dc/ac inverters, analysis of dc/ ac inverter dc/dc converters, design of converters for grid operation. Impact of distribution and generation on power system operation, voltage variations circuit, overloading system protection, ride through and fault mitigation, power quality disturbances.

Introduction to rotary wing aircrafts: Vertical take-off and landing aircraft and short take-off and landing aircraft. The course includes elaborate discussion on helicopter aerodynamics. Rotor in vertical flight: momentum theory and wake analysis. Rotor in vertical flight: blade element theory. Rotor mechanisms for forward flight. Rotor aerodynamics in forward flight. Rotor aerodynamic design. Prerequisite(s) or concurrent(s): AAE 321, AAE 312 or consent of instructor.

Experiments in measurement systems, aerodynamics, aerospace structures, dynamics and control, propulsion, cockpit layout, flight simulator, technical report writing and presentations.

Introduction to the principles and techniques of aircraft design. Design methodology. Preliminary design: Problem definition; information retrieval; aircraft requirements; configuration options; initial baseline sizing; baseline evaluation; refining the initial layout; refined baseline design; parametric and trade studies; final baseline configuration and type specification. Case studies. Prerequisite(s) or Concurrent(s): AAE 321, AAE 312, AAE 351 or consent of instructor.

An introduction to airplane flight mechanics. Airframe anatomy. Engine anatomy. Equations of motion. Trajectory analysis. Stability and control. Aircraft sizing and simulation. 3DOF equations of motion: Assumptions and coordinate systems; kinematic equations; dynamic equations; weight equation; discussion of 3DOF equations; quasi-steady flight; three- dimensional flight; flight over a spherical earth; and flight in a moving atmosphere. Atmosphere: standard atmosphere and exponential atmosphere. 300 Level

Maintenance program: requirement and purpose of maintenance. Maintenance review board and MSG-2 and logic applied to aircraft system, power plant and structures, hard-time, on- condition and condition monitored maintenance. Data collection, component history and statistical information sources. Reporting procedures, occurrence reporting and corrective action methodology. Minimum equipment list and acceptable deferred defects. Production of maintenance schedules and programmes. Aircraft maintenance and reliability: airworthiness requirements and documentation. Safety standards and safety assessment, including reliability assessment. Failure modes and failure analysis. Reliability mathematics directly associated with aircraft maintenance. Predicting system, engine and structural reliability and effect on reliability of scheduling: maintenance facilities. Provisioning and supply systems. Maintenance task, task development and analysis, downtime, repair, replacement, rectification and modification. Use of project planning methods such as CPM, PERT and computer programs to allocate timely physical and human resources. Special considerations when planning and scheduling maintenance for geriatric aircraft. Technological aids to maintenance. Future of aircraft maintenance, third party maintenance and whole life maintenance packages. Human factors in aircraft maintenance: effect on maintenance planning of human performance and limitations. Analysing human errors in aircraft management, case studies and safety considerations. Investigation of the SHEL and reason models of human interaction. Production of a management plan designed to limit human error in the execution of aircraft maintenance activities.

General concepts of stress and strain. One, two- and three-dimensional stress and strain. Elastic deformation of metals: principles of stresses and strains in metals. Complex stresses on two planes at right angles. Mohr’s circle. Principal stresses and strains. Maximum shear stresses. Distortion energy and yield criteria. Application of Mohr’s circle for analysis of stress and strain. Tensor analysis of stresses and strains. Tensile response of materials; simple tensile and shear structures.Introduction to mechanical properties of materials commonly used in the aircraft structures, materials failure and structure inspections. Properties of aluminum alloys, titanium steels, composite materials, fractures, fatigues, corrosions and NDT. At the end of the course, students are expected to have basic knowledge on choosing materials for aircraft structures.

The theories and principles of jet and rocket propulsion. Thermodynamic cycles. The mechanics and thermodynamics of combustion. Turbine engine and rocket performance characteristics. Component and cycle analysis of jet engines and turbomachinery. AAE 407: Aerodynamics Experiment Methods, Instrumentation and Propulsion Lab (2 Units C: PH 30) Learning Outcomes At the end of this course, the students should be able to: 1. describe the applications of the fundamental principles taught in aerodynamics courses; 2. exhibit basic knowledge related to experimental aerodynamics and measurements techniques; 3. become proficient in the use of basic equipment representative of aerospace engineering practice; 4. explain how to design experiments and how to conduct experiments; 5. discuss how to analyse and evaluate experimental data; 6. write good laboratory reports; 7. gain more laboratory experiences to get “hands-on” lab training; and 8. gain experiences to promote the spirit of team-work among the engineering students. Course Contents The laboratories introduce undergraduate students to experimental methods in aerodynamics and propulsion. Experiments include subsonic wind tunnel tests of the forces and pressures on aircraft models, wings, cylinders, spheres and spheroids. They also include design and execution of flat plate boundary layer measurement as a team effort. Gas turbine engine teaching kits are used to illustrate the principles of propulsion. Introductory topics include: wind tunnel design and layout; measurement principles for subsonic and supersonic flows. Prerequisite(s) or Concurrent(s): AAE 308, AAE 430 or consent of instructor.