Operating process of oil-free scroll vacuum pump : Monograph (190,00 руб.)

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UDC 621.52 Published by the decision of the Editorial Review Board of the Kazan National Research Technological University Reviewers: PhD in Technical Science E. Kapustin Doctor in Physisc and Mathematics P. Osipov Authors: A. Tyurin, A. Raykov, S. Salikeev, A. Burmistrov Operating process of oil-free scroll vacuum pump : Monograph / I. Tyurin, A. Raykov, S. Salikeev, A. Burmistrov; The Ministry of Education and Science of the Russian Federation, Kazan National Research Technological University. – Kazan : KNRTU Press, 2023. – 112 p. ISBN 978-5-7882-3446-5 The monograph highlights the operating principle, structural modifications and classifications of oil-free scroll vacuum pumps. Engineering solutions applied for SVP are analysed specifying their advantages and disadvantages. Experimental study procedure is described, and research findings are presented. The book is intended for use by technicians in vacuum and compressor engineering. It will be useful for professors, Ph.D. fellows and students engaged in the training programs 15.03.02 “Technological machines and equipment”, 16.03.01 “Applied physics”, 14.03.01 “Nuclear engineering and thermal physics”, 28.03.02 “Nanoengineering”. The monograph is prepared at the Department of Vacuum and compressor equipment of physical machines. UDC 621.52 ISBN 978-5-7882-3446-5 © A. Tyurin, A. Raykov, S. Salikeev, A. Burmistrov, 2023 © Kazan National Research Technological University, 2023 2

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CONTENT LIST OF ABBREVIATIONS AND REFERENCE ................................. 4 INTRODUCTION ........................................................................................ 7 1. STATE OF THE ART AND RESEARCH OBJECTIVES ................. 9 1.1. Determination of SVP operating principle ...................................... 9 1.2. Description of SVP Standard Design ............................................ 11 1.3. Description of SVP Operating Process.......................................... 14 1.4. SVP Classification ......................................................................... 17 1.5. Advantages of SVP ........................................................................ 23 1.6. Disadvantages of SVP ................................................................... 24 1.7. Summary ........................................................................................ 25 2. EXPERIMENTAL STUDY OF SVP ................................................... 27 2.1. Review of Methods for Obtaining Indicator Diagrams ................. 27 2.2. Development of Subject Experimental Study ............................... 31 2.3. Description of the Experimental Test Unit .................................... 35 2.4. Study Procedure ............................................................................. 40 2.4.1. Pressure Measurement in the Pump Working Cavities ........ 40 2.4.2. Measurement of Pumping Speed and Power Consumption ................................................................................... 48 2.4.3. Estimation of Pressure Measurement Error in the Pump Working Cavities ............................................................................ 53 2.4.4. Evaluation of Measurement Error in Pumping Speed ......... 58 3. MATHEMATICAL SIMULATION OF SVP OPERATING PROCESS ................................................................................................... 63 3.1. Review of Performance Methods for Scroll Machines .................. 63 3.2. Fundamentals of Mathematical Model ........................................... 67 3.3. Calculation of Gas Backflow in Channels with Moving Walls ...................................................................................................... 73 3.4. Calculation of Radial Clearance Size ............................................. 80 3.5. Comparison of Experimental Indicator Diagrams and Mathematic Simulation Data .......................................................... 85 3.6. SVP Power Performance Analysis ................................................. 88 3.7. Analyzing the Influence of Scroll Geometrics on SVP Power and Volume Values ................................................................................ 92 CONCLUSION......................................................................................... 101 LITERATURE ......................................................................................... 102 3

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