Pumps, Ventilators, Compressors

Major: Thermal Power Engineering
Code of subject: 6.144.00.O.060
Credits: 4.00
Department: Heat Engineering and Thermal and Nuclear Power Plants
Lecturer: Yurasova Oksana
Semester: 5 семестр
Mode of study: денна
Learning outcomes: As a result of studying the discipline, the student must be able to demonstrate the following program learning outcomes: KN 2: ability to demonstrate knowledge of the basics of professionally oriented disciplines of the specialty in the field of thermodynamics, theory of heat and mass transfer, theory of heat exchangers, theory of heat engines, methods of analysis of heat networks, production processes, production, conversion and transportation of thermal energy, technologies of systems analysis, efficient energy use; KN 6: ability to demonstrate knowledge of the current state of the art and the latest technologies in the field of heat and power engineering; SK 4: apply knowledge of technical characteristics, design features, purpose and rules of operation of equipment to solve technical problems specialties.
Required prior and related subjects: Prerequisites: - Physics - Technical thermodynamics - Theoretical mechanics and design basics Necessities: - TPP turbines - Boiler installations
Summary of the subject: Definition and classification. Dynamic machines. Volumetric machines. Injectable pumps and pneumatic lifters for liquids. Supply and pressure of volumetric and dynamic machines. Areas of application of different machines. Parameters of machines that supply liquids and gases. Power and efficiency. Co-operation of the pump and the pipeline system. How it works. Euler's Equation. Theoretical and actual impulses that are developing by the impeller. Influence of the angle b2 on the centrifugal centrifugal force. Power and efficiency. Multi-stage and multi-threaded centrifugal machines. Theoretical characteristics. Valid characteristics with constant speed of rotation. Recalculation of characteristics when changing the speed of the machine. Pump tests. Feed control. Parallel and sequential connection of centrifugal pumps. Instability of work. Stomp Cavitation Permissible suction height. Pump equipment for thermal power stations and heating networks. Pump equipment for nuclear power plants. Structure and operation of pump installations. Centrifugal fans. Basic concepts. Application. Fan developed fan pressure. Impact of self-stroke. Feed, power, fan efficiency. Adjustment of centrifugal fans. Heavy-duty ventilators of thermal power stations. Fan Installations. Axial pumps Axial fans. Piston pumps. Way of action. Indicator Chart. Feeding of piston pumps. Power and efficiency. Main constructive types. Power and efficiency. Types of compressors. Thermodynamics of the compressor process. Compressor efficiency. Cooling. Staggered compression. Centrifugal Compressor Orient. The power of the centrifugal compressor. Axis of the axial compressor. Structural forms of axial compressors. Examples of designs. Indicator Chart. Processes of compression and expansion of gas in a piston compressor. Power and efficiency. Harmful space. Innings. Multi-level compression. Power of multi-stage compressor. Constructive types of compressors. Actual indicative diagram. Supply and pressure of the piston compressor, which are working on the pipeline. Feed control.
Assessment methods and criteria: • Current control (30%): written reports on laboratory work, written reports on calculation works, oral examination. • Final control (70 %, control measure): written-oral form (70%)
Recommended books: 1. Mandrus V.I. Gidravlichni ta aerodinamichni mashini (nasosi, ventilyatori, gazoduvki, kompresori): Pidruchnik. –Lviv: «Magnoliya plyus», vidavec V.M.Picha, 2005. -340s. 2. Bezrodnij M. K. Teplovi nasosi ta yih vikoristannya. [Tekst] : posib. / M. K. Bezrodnij, I. I. ,Puhovij, D. S. Kutra. – K.: NTUU «KPI», 2013. – 289 s. 3. Gerasimov G.G. Nagnitachi ta teplovi dviguni. Navchalnij posibnik. – Rivne: NUVGP, 2012. 552 s.