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Lecturer(s)
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Kluibr Vladimír, Ing. Ph.D.
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Course content
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1. Definition of compressors, historical overview, classification of compressors, fundamentals of gas thermodynamics 2. Thermodynamics of compressors, representation of the theoretical cycle in p-V and T-s diagrams, real compressor cycle, indicator diagram, compressor work 3. Compressors with harmful volume, volumetric efficiency, the effect of harmful volume on compressor work, multistage compression, representation of multistage compression in p-V and T-s diagrams 4. Selection of intermediate pressure, effects of intercooling, determination of main dimensions for reciprocating piston compressors, energy efficiency of compressor, shaft power requirement 5. Determination of main dimensions of multistage compressors, construction elements, piston compressors, diaphragm compressors 6. Rotary compressors: vane compressors, rotary piston compressors, water-ring compressors, scroll compressors, screw compressors 7. Performance control of compressors, performance control by changing speed, performance control at constant speed 8. Hydrodynamic principles of fluid transport, basic parameters of hydraulic machines, similarity in hydrodynamics, characteristics at constant speed, theoretical characteristic at lossless flow, friction losses, internal leakage, system pressure drop, flow variation with changes in delivery head 9. Operation of two pumps in parallel configuration, operation of two pumps in series configuration, pump control by throttling, speed variation control 10. Cooling: introduction to history, examples of applications, vapor compression cycle, energy equation and property diagrams, simple vapor compression cycle, cycle in T-s and h-s diagrams, efficiency (cooling factor), real vapor compression cycle 11. Volume dependencies, effects of subcooling and superheating, internal heat exchanger 12. Two-stage cycles 13. Alternative cycles: expansion cycles (Stirling cycle, etc.), absorption and sorption cycles
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Learning activities and teaching methods
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One-to-One tutorial, Lecture, Practicum, Field trip
- Contact hours
- 52 hours per semester
- Preparation for an examination (30-60)
- 56 hours per semester
- Preparation for comprehensive test (10-40)
- 22 hours per semester
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| prerequisite |
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| Knowledge |
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| to utilize theoretical knowledge in the field of thermomechanics and fluid mechanics |
| to describe and explain fundamental physical phenomena |
| to describe and explain the properties of basic machine components |
| Skills |
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| to use the academic literature |
| to read and navigate technical drawings of components or simple assemblies |
| to solve basic problems in the field of thermomechanics |
| to select the optimal solution variant |
| Competences |
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| N/A |
| learning outcomes |
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| Knowledge |
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| to characterize the basic types of compressors and pumps and define their properties |
| to describe and explain the operating principles of basic types of volumetric compressors and hydrostatic pumps |
| to describe the application of compressors and pumps in modern energy systems and characterize their advantages and disadvantages |
| to describe and explain the basic configuration of refrigeration cycles |
| Skills |
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| to distinguish the suitability of using compressors and pumps in a specific field of energy |
| to select the type of control for a particular machine |
| to calculate the power input of a compressor and a pump |
| to draw and describe the diagram of selected cooling cycles |
| Competences |
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| N/A |
| teaching methods |
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| Knowledge |
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| Lecture |
| One-to-One tutorial |
| Multimedia supported teaching |
| Skills |
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| Practicum |
| One-to-One tutorial |
| Competences |
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| Lecture |
| Multimedia supported teaching |
| One-to-One tutorial |
| assessment methods |
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| Knowledge |
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| Oral exam |
| Skills |
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| Written exam |
| Competences |
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| Oral exam |
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Recommended literature
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Borremans, Marc. Pumps and Compressors. John Wiley & Sons AND Sons LTD, 2019. ISBN 9781119534143.
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Giampaolo, Anthony. Compressor Handbook: Principles and Practice. River Publishers, 2023. ISBN 9788770229067.
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Perez, Robert X. Operator's Guide to Process Compressors. John Wiley & Sons INC International Concepts, 2019. ISBN 9781119580614.
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