Postgraduate Calendar

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Field of study: Mechanical Engineering
Specialty: Aircraft and Space-Rocket Engineering
Specialization: Aircraft Engines and Power Plants

Intellectual Property
Hours: 108
The course forms the notion of intellectual property, characteristics of objects and subjects of copyright and related rights. Topics include: Industrial property law. The concept of patent information. Intellectual property. Commercial use of intellectual property. Methods of protecting the author rights and holder rights. The governmental policy in the management of intellectual property.

Manufacturing Organization and Management
Hours: 108
The purpose of the course is to familiarize students with general information about management and terms of work execution, drawing up estimates, determining time costs, rationing labor, quality control, personnel issues, organization of works in the engineering and aerospace industries. Topics include: Principles of organization of engineering and aerospace manufacturing. Enterprise. Forms and analysis of industrial and economic activities. Product quality. Production management. Planning of production technology. Economic and mathematical methods in planning. Fundamentals of rationing and calculation of wages.

Psychology and Pedagogy of Higher Education
Hours: 108
The course aims to familiarize students with modern techniques of teaching disciplines in higher school, the methodology of developing teaching materials. Topics include: Education: subject, functions, general model, content, trends. Psychology of learning. Mental processes and conditions in the activities of the individual, their specifics in educational activity. Structure of personality. The role of the family in the education of the individual. Communication in the system of human relationships. Conflict. Psychological issues of organization of student independent work in a university. Public speaking. Conviction. The technique of argumentation.

Scientific and Pedagogical Training
Hours: 324
During the scientific and pedagogical internship, students are offered first to conduct practical and laboratory classes among the students of junior courses under the supervision of the scientific adviser. After mastering the necessary experience, the student is invited to conduct a lecture under the supervision of the scientific advisor using prepared lecture material. Also, students are encouraged to choose an assistant among the undergraduate students who, as part of the curriculum, can help with the master's research. In this case, the master student must draw up a plan of work and a way of checking and evaluating its results.

Research and Development Work
Hours: 486
The course develops students' ability to make independent theoretical and practical judgments and conclusions, gives the skills of an objective evaluation of scientific information, the freedom of scientific search, and the desire to apply scientific knowledge in educational activities performed by a student under the guidance of a scientific advisor. Topics include: Methods of scientific research. Organization of scientific activity. Criteria for choosing a research approach. Methodology of experimental research. The main stages of research and development work (R&D). Choosing a master student research topic. A review of the literature on the topic of scientific research. R&D itself. Writing an essay on the chosen topic. Correction of the plan of work in accordance with the results obtained. Drawing up a report on research. Course project.

Civil Defense
Hours: 108
Topics include: Monitoring and scenario analysis of the originating and spreading of emergencies. Planning activities on civil protection issues. Structurally functional model of counteraction to emergencies. Technogenic safety at enterprises, institutions and organizations, as an integral part of protection.

Cooling systems for aircraft engine components and power plants
Hours: 180
The purpose of the course is to give the knowledge and skills necessary for the qualified design of thermo-stressed parts of aircraft engines (AE) and power plants (PP) and the concepts of cooling system designing for engines and other high-temperature power facilities. Course outline: Problems of thermal and thermo-stressed state of AE parts. Thermal conditions for the functioning of thermally stressed parts and components of AE. Typical and perspective types and schemes of thermal protection (cooling). Mathematical modeling of cooling systems. Fundamentals of convective heat transfer. Features of heat exchange of cooled GTE parts. Calculations of the effectiveness of barrier cooling systems. Physical basis of thermal stresses. Design of thermo-stressed elements of AE. Stress state with nonuniform heating. Optimization of the thermally stressed state.

History of science and technology
Hours: 108
The course aims to give students knowledge about the history of the development of science, technology, human engineering.

Advanced technologies of the aircraft engines and power plants manufacturing
Hours: 162
The subject of the study is the theoretical bases for the development of gas turbine engine (GTE) assembly technological processes, the features of the assembly chains calculation, and the methods of assembling the main GTE pairs, the general and component-level assembly, corresponding to the current level of the development of aircraft engine technology. Contents of the course: The main concepts and definitions of the technological process of assembly, the main features of assembling. Technological design in relation to the assembly process. Reliability of assembly units. Accuracy of assembly, factors affecting accuracy. Design of assembly processes, initial data, design stages, documentation. Assembling of the main GTE pairs: threaded joints, gear train, bearings, spline joints, welding, soldered, adhesive and mechanical joints. Types of quality assurance. Unbalance and its types. Balancing of rotors. Assembly of compressors, combustion chambers, turbines. General GTE assembly and GTE installation technology.

Lifetime and testing of aircraft engines and power plants
Hours: 198
The purpose of this course is to provide deep knowledge in the strength reliability (SR) of the aircraft engine (AE) components, their lifetime design, establishment and extension of their lifetime in accordance with the accepted methodology in the industry. The main content of the course: Indicators of SR – reliability and durability in a probabilistic form. Structure of the model of the SR of the AE components. Statistical properties of models. Relaxation of stresses at high-temperature creep of a material in local parts of a part with rigid connections. Models of failure of material samples under cyclic loading. The main types of failure. Low-cycle fatigue. Multi-cycle fatigue or endurance. General structure of the model of stress-strain state: elasticity, plasticity and creep. Fundamentals of the mechanics of the material failure. Models of failure of AE parts. Methods to set AE lifetime: direct operating time, based on equivalent-cyclic tests and calculated. Operation according to regulations and technical condition. Diagnostics for AE based on digital analysis.

Automated diagnosing systems of aircraft engines and power plants
Hours: 180
The purpose of the course is to give students knowledge in diagnosing the aircraft engine (AE) technical condition using special tools and the parameters measured in operation. Topics include: Diagnosis at various life cycle period of the engine. Diagnostics systems of GTE. Means of collection, transmission, processing and registration of diagnostic information. Tools for processing diagnostic information. Description of diagnostic information by means of probability theory and mathematical statistics. Theory of verification of statistical hypotheses. Admission control of GTE. Methods of trend analysis. Diagnostic value of features and maintainability. Methods of defect recognition in GTE. Instrumental methods for diagnosing GTE.

Automatic control systems for aircraft engines and power plants
Hours: 198
The task of the discipline is to provide knowledge and skills in the field of analysis and partially synthesis of automatic control systems (AСS) of aircraft gas turbine engines (GTE), taking into account specifics of automatic control theory for GTE. The main content of the course: Basic concepts and definitions. Aircraft GTE as a controlled object. Control loop of ACS and automatic regulating system (ARS). Typical composition of ARS. Feedback. Closed-loop and open-loop ARS. Structural scheme and regulation programs of: single-shaft turbojet engine (TJE) with constant geometry, TJE with variable critical cross-section of nozzle. Regulatory factors, regulated parameters, regulation programs. The variants of ACS configuration. Features of regulation of turbofans and turbojets with afterburner (ATJE). Equations of dynamics of turbojets, turbofans and turboshafts. Equations of dynamics of ATJE and afterburning turbofans. Torsional oscillations in the turboshafts. Sensors of ACS in aircraft GTE. Thermocouple - equations and dynamic properties. Servomotors (amplifiers), types, general requirements. The tasks of analysis and synthesis of ACS in AE. ACS models. Transfer functions of connections and systems. Dynamic properties of ARS and their elements. Synthesis in a complex space. Synthesis using logarithmic frequency characteristics. Laws of regulation. P-, I-, D- and PID-controller, their characteristic properties and purposes. The tasks of controlling GTE in transient modes. Gas temperature control. Automatic ensuring of gas-dynamic stability of the compressor. General characteristics of digital ACS. Examples of construction of digital ACS of GTE.

Vibro-acoustics of aircraft engines and power plants
Hours: 216
The goal of the course is to provide the knowledge, skills and abilities necessary for vibro-acoustic diagnostics of aircraft engines and power plants. The main content of the course. The list of problems of vibro-acoustic diagnostics and the direction of their solution. Vibration in aircraft GTE, parameters of vibration, superposition of oscillations. Spectra of periodic and non-periodic oscillations, quasi-polyharmonic oscillations. Analysis of time series in problems of vibro-acoustics. Sources of vibration in the engine. Acoustic noise of GTE. Examples of real vibro-acoustic signals of nonfault and defective objects. Prevention of dangerous vibrations and acoustic noises in engines. Mathematical models of vibration. Selection of installation spots for vibration transducers on the engine, diagnostic test modes and registration of a vibro-acoustic signal. Recognition of vibration changes during the operation of an object based on reference complexes of diagnostic features, using statistical classification methods. Recognition with a limited number of diagnostic features. Classification of measuring transducers. Outlook of the development of vibro-acoustic diagnostics.

Advanced methods of design, production and testing of aircraft engines and power plants
Hours: 180
The aim of the course is to formulate ideas on testing aircraft engines (AE) and power plants, to give students knowledge about the principles and design of measuring instruments of the parameters of the working fluid and elements of the design of aircraft gas turbine engines (GTE) which used in the processing and testing of new generation engines. The main content of the course. Types of tests of aircraft engines. Test rigs and facilities for testing aircraft engine assemblies and components. Preparation, carrying out and processing of test results of AE. Measurement of temperature. Strain gauging as a means of determining the stressed state of the elements of AE. The technique for determining the vibro-stressed state of the blades of turbines in AE. Investigation of the stressed-deformed state of the parts of AE using the method of photoelasticity. Holographic interferometry. Methods of summarizing the damage of materials from low-cycle fatigue and long-term strength.

Special chapters of the theory of air-breathing engines
Hours: 144
The main content of the course. Aerodynamic characteristics of the aircraft. The tasks to be solved when reconciling aircraft and power plant (PP) performances. Determination of the optimum size of the engine and the parameters of the working process during cruise flight. Mathematical models of aircraft and PP. Ways to reduce engine mass. Mathematical models and requirements for other possible consumers (electric generators, gas-pumping units, etc.). Mathematical models of the elements of the gas-path of AE and gas turbine power plant. Improving the performances of AE and PP due to the selection of conditions (programs and laws) of regulation. Improvement of the performances of AE and PP by regulating the elements of the gas-path (inlet device, compressor, combustion chamber, turbine, mixing chamber and jet nozzle). Transient (unsteady) modes of operation of AE and PP. Equation of dynamics.

Aircraft piston engines
Hours: 72
Course contents: Calculations and analysis of the working process of the piston engine, correction of the initial data, drawing of the indicator diagram. Development of the program for the dynamic calculation of the cranking mechanism of the master rod and articulating one. Calculation of forces and moments acting in the cranking mechanism. Analysis of results, correction of input data. Design of piston-connecting-rod group parts. Development of solid models of piston, piston pin and connecting rod. Strength analysis using finite element method (FEM). Analysis of results, adjustment of configuration. Development of engine design using prototype. Engine longitudinal section drawing.

CAD/CAE systems
Hours: 72
The purpose of the course is to give students the knowledge and skills necessary to perform engineering analysis of the main components of an aircraft gas turbine engine (GTE) using ANSYS software suite. The main content of the course. The role of numerical methods in strength analysis. The main stages of numerical study of structural strength. The idea and scope of the finite element method (FEM). Stages of creating a finite element mesh. Analytical solution of the problems of beams strength analysis: the technique of setting, solving problems and analyzing results in the ANSYS software suite. Setting of boundary conditions and conditions of thermal contact. Stationary and nonstationary heat conduction problems. Setting the dependence between physical properties of material and temperature. Thermal stressed state analysis of a part. The method of setting and solving contact problems. Dynamics problems. Spectral response in the case of a shock load. The method of calculating the eigen shapes and vibration frequencies using the example of working blades. Frequency diagram.

Internship program
Hours: 288