Двигуни внутрішнього згоряння, установки та технічна експлуатація Internal Combustion Engines, Plants and Technical Maintenance Department
INTERNAL COMBUSTIONS ENGINES HYDRALIC MACHINES
Type: compulsoryLecturer: Oleksii GogorenkoYear of preparation: 4thSemester: 7thNumber of credits: 8Number of modules: 2Number of content modules: 3Total number of hours: 240Type of control: exam, course workWork programme 2021Work programme 2024
Hours distribution
General information
Acquired competences
● Ability to solve complex specialized problems and practical works in the field of power engineering or in the learning process, which involves the application of the theory of heat and mass exchange, technical thermodynamics, hydrogas dynamics, energy transformation (transformation), technical mechanics and methods of the relevant sciences and is characterized by complexity and uncertainty of conditions.● Ability to apply knowledge in practical situations.● Ability to apply standard calculation methods in the design of parts and assemblies of power and technological equipment.● Ability to develop energy-saving technologies and energy-saving measures during the design and operation of energy and heat-technological equipment.● Ability to use standard methods of planning experimental studies, to process and summarize the results of the experiment.● Ability to apply their knowledge and understanding to solve the problems of designing and designing hydraulic mechanisms of internal combustion engines of any purpose.
Learning outcomes
● Knowledge and understanding of engineering sciences at the level necessary to achieve other educational program outcomes, including a certain awareness of recent advances.● Apply engineering technologies, processes, systems and equipment in accordance with specialty 142 Energy Engineering; select and apply suitable typical analytical, computational and experimental methods; correctly interpret the results of such studies.● Develop and design products in the field of power engineering, processes and systems that meet specific requirements, which may include awareness of non-technical (society, health and safety, environment, economy and industry) aspects; selection and application of adequate design methodology.● Plan and carry out experimental research using instruments (measuring instruments), assess the errors of research, draw conclusions.● Apply practical skills to solve problems involving the implementation of engineering projects and research.● Obtain and interpret relevant data and analyse complexities in the field of energy engineering to deliver judgments that reflect relevant social and ethical concerns.● Develop and design the main units, systems and parts of internal combustion engines, choose and apply adequate design methodologies, select the main units for engines from standard-sized series developed by world manufacturers.
Programme of the academic discipline
Module 1.
Content module 1. Structure and principle of operation of ICE hydraulic machines.
Topic number 1. General information, classification, structural diagrams and principle of operation of dynamic hydraulic ICE machines.
Topic number 2. Design diagrams and principle of operation of ICE volumetric pumps; jet devices; hydraulic transmissions.
Content module 2. Theory and operation of ICE hydraulic machines.
Topic number 3. Fundamentals of the theory of hydraulic machines.
Topic number 4. Basics of designing and designing centrifugal pumps.
Topic number 5. Basics of design and design of volumetric pumps.
Topic number 6. Compatible operation of ICE pumps and systems.
Content module 3. Piston starting compressors.
Topic number 7. Fundamentals of the theory of piston compressor machines.
Topic number 8. Basic design of starting compressors.
Module 2. Calculation of centrifugal pump (course work).
Topics of practical classes
● Study of the design and methods of action of hydraulic units of internal combustion engines. Study of drawings and full-scale samples of ICE dynamic pumps and their elements. Study of hydraulic transmissions. Study of ways of their action and basic parameters.
● Study of the design and methods of action of hydraulic units of internal combustion engines. Study of drawings and full-scale samples of volumetric pumps of internal combustion engines and their elements. Study of ways of their action and basic parameters.
● Study of the foundations of the theory of hydraulic machines. Efficiency of pumps; fluid flow in the centrifugal pump wheel, velocity triangles;
● Study of the foundations of the theory of hydraulic machines. Specific work of wheels with a finite and infinite number of blades and their different shapes; determination of outer diameter of centrifugal pump wheel.
● Application of similarity theory for pump calculations. Similarity criteria in pump calculations. Selection of velocity cavitation coefficient. Determination of the permissible rotation speed of the pump rotor.
● Calculation of the basic design parameters of the centrifugal pump. Determination of efficiency, determination of wheel outer diameter.
● Calculation of the basic design parameters of the centrifugal pump. Creates a blade profile in the meridian section. Angle selection β 2. Choosing a rational ratio w1/w2, Constructing a blade in plan. Construction of curl and final diffuser.
● Calculation of the basic design parameters of the centrifugal pump. Profiling curls in different ways. Implementation of the method Rcu = const. Construction of curl and final diffuser.
● Calculation of the basic design parameters of the centrifugal pump. Definition of the parameters of the designed pump. Clarification of cavitation energy reserve and suction height.
● Design of centrifugal pump. Determination of forces in the centrifugal pump. Seal assemblies. Bearing assemblies.
● Volumetric pumps, design features. Piston pumps.
● Volume pumps, features of calculations. Gear pumps. Screw pumps.● Compatible operation of ICE units and systems. Determination of parameters of a compatible point in conditions of practical design. Evaluation of the parameters of this point change under various design and operating conditions.
● Calculation of multi-stage start-up compressor. Elements of selection and justification of initial parameters. Determination of the required number of stages, values of intermediate pressures, efficiency loss factors. Determination of the main design dimensions of the compressor.
● Design of multi-stage piston compressor. General layout of the compressor. Valves and their arrangement and fastening. Starting cylinders, air coolers, moisture separators and other valves.
Topics of laboratory work
Laboratory work №1. Centrifugal pump test.
Laboratory work №2. Testing of gear oil pump.
Laboratory work №3. Test of piston starting compressor.
Course project
The topic of the course project: Calculation of engine centrifugal pump (grade)
Contents of the course project
1. Calculation and explanatory note (25...40 pages):
● Determination of critical cavitation energy reserve Δ lcr, coefficient of cavitation speed C, angular speed of rotation of the ω pump rotor and coefficient of speed ns.
● Determination of the basic dimensions of the impeller.
● Calculation and construction of the meridian section of the impeller.
● Calculation and construction of the middle line of the impeller blade in plan.
● Calculation and profiling of the spiral branch channel of trapezoidal shape by the method R· Cu = const.
● Evaluation of the actual (permissible) suction height of the pump.
● Description of the design of the designed pump and assessment of its suitability for use by the function of purpose.
2. Graphic part:
● section of the pump along the axis of the rotor (1 arch., A1 format);
● sketch of input and output velocity triangles (2 arches, A4 format);
● sketch of the meridian section of the impeller (1 arch., A4 format);
● sketch of the impeller blade in plan (1 arch., A4 format);
● sketch of a spiral branch channel (1 arch., A3 format).
Course project assignment form
Topics of course projects (2024/2025 academic year)
Schedule of consultations on the course project (2024/2025 academic year)
Guidelines for completing a course project
Prototype of the course project №1
Prototype of the course project №2
Forms of current and final control
The achievements of the applicant are assessed according to the 100-point system of the University.
Recommended sources of information
Main literature
1. Nalivaiko V.S. Structural components and systems of marine internal combustion engines: textbook/V.S. Nalivaiko, B.G. Timoshevsky. - Nikolaev: NUK, 2013. - 100 s.
2. Mandrus V. I. Hydraulic and aerodynamic machines (pumps, fans, gas blowers, compressors): Manual. - Lviv: "Magnolia Plus," publisher V.M. Picha, 2004. - 340 p.
3. Gerasimov G. G. Hydraulic and aerodynamic machines: Textbook/G. G. Gerasimov. - Rivne: NUVGP, 2008. - 241 s.
4. Gerasimov G. G. Superchargers and heat engines. Textbook/G. G. Gerasimov. - Rivne: NUVGP, 2012. - 552 s.
5. Omelchenko O.V. Hydraulic machines: training. Posab/O.V. Omelchenko, L.O. Tsvirkun. - Krivoy Rog: DonNUET, 2020. - 100 s.
6. Kondus V. Yu. Vane pumps: manual/V. Yu. Kondus, O.I. Kotenko. - Sumy: Sumy State University, 2021. - 293 s.
7. Nikolova R. O. Hydraulic and aerodynamic machines: Textbook/R. O. Nikolova. - Odessa, ODABA. 2006. - 211 s.
8. Hydraulic and aerodynamic machines ./O.N. Romanyuk, G.P. Verbitsky, M.I. Kolotilo, V.D. Kolotilo, F.M. Klepikov. - Kirovograd: 1997. - 176 with.
9. Kholomenyuk M.V. Compressor units: training manual/M.V. Kholomenyuk - D.: National Mining University, 2013. - 51 p.
10. Korenkova T.V. operating modes of pumping and fan installations with an automated electric drive: training manual/T.V. Korenkova, O.O. Serdyuk, V.G. Kovalchuk. - Kremenchug: Publishing House PP Shcherbatikh O.V., 2014. - 200 s.
11. Vodyanitskaya N.I. Piston compressors: Site. manual/N. I. Vodianitskaya. - Odessa: ONAFT Publishing Center. – 87 c.
Supporting literature
1. Moshentsev Yu. L. Methodological guidelines for laboratory work on pumps/J. L. Moshentsev, V. G. Borozenets. - Nikolaev: NUK, 2007. - 28 p.
2. Moshentsev Yu. L., Gogorenko O.A. Design of centrifugal pump: Methodological guidelines/Yu. L. Moshentsev, A. A. Gogorenko. - Nikolaev: NUK, 2009. - 52 s.
3. Volk M. Pump Characteristics and Applications. 3rd ed. Boca Raton: CRC Press, 2014. – 502 p.
4. Gorbov V. M. Encyclopedia of Ship Energy: Textbook/V. M. Gorbov. - Nikolaev: NUK, 2010. - 624 s.
5. Marine Auxiliary Machinery/ H. D. McGeorge – MPG Books Ltd, Bodmin, Cornwall, 2002. - 525 r.
6. Auxiliary Equipment & Systems for Marine Engine. Chapter 4: Deck gear and hydraulic systems drivers / Ranger Hope, 2008. - 233 r.
Information resources on the Internet
1. Компанія-виробник різноманітних типів насосів https://tapflo.ua2. Промислові насоси від найкращих європейських та світових виробників https://mir-nasosov.com.ua/uk/3. ТОВ "УКРНАСОСПРОМ" https://ukrnasosprom.com.ua/ua/4. ТОВ «ТОРГОВИЙ ДІМ «УКРНАСОССЕРВІС» https://ukrnasos.com.ua5. Компанія ЛАМАНТИН ФТГ https://ftg.com.ua