Muutke küpsiste eelistusi

Simulation Method of Multipactor and Its Application in Satellite Microwave Components [Kõva köide]

, , (Guizhou University, China),
  • Formaat: Hardback, 236 pages, kõrgus x laius: 229x152 mm, kaal: 444 g, 20 Tables, black and white; 76 Line drawings, black and white; 21 Halftones, black and white; 97 Illustrations, black and white
  • Sari: Space Science, Technology and Application Series
  • Ilmumisaeg: 13-Sep-2021
  • Kirjastus: CRC Press
  • ISBN-10: 1032038977
  • ISBN-13: 9781032038971
  • Formaat: Hardback, 236 pages, kõrgus x laius: 229x152 mm, kaal: 444 g, 20 Tables, black and white; 76 Line drawings, black and white; 21 Halftones, black and white; 97 Illustrations, black and white
  • Sari: Space Science, Technology and Application Series
  • Ilmumisaeg: 13-Sep-2021
  • Kirjastus: CRC Press
  • ISBN-10: 1032038977
  • ISBN-13: 9781032038971

This book combines the experience and achievements in engineering practice of the China Academy of Space Technology, Xi’an, with a focus on the field of high-power multipactor over recent decades. It introduces the main concepts, theories, methods and latest technologies of multipactor simulation, at both the theoretical and as a process of engineering, while providing a comprehensive introduction to the outstanding progress made in the research technology of multipactor numerical simulation in China. At the same time, the three-dimensional numerical simulation method of multipactor for typical high-power microwave components of spacecraft is introduced.

This book is an essential volume for engineers in the field of high-power microwave technology. It can also be used as a reference for researchers in related fields, or as a teaching reference book for graduate students majoring in Astronautics at colleges and universities.



This book introduces concepts, methods and technologies of multipactor simulation, at both the theoretical and as a process of engineering, while providing an introduction to the progress made in the research technology of multipactor numerical simulation in China.

Foreword I xi
Foreword II xiii
Foreword III xv
Preface xvii
Chapter 1 Introduction 1(22)
1.1 Overview
1(7)
1.1.1 Vacuum Conditions
4(1)
1.1.2 The Existence Of Free Electrons
5(1)
1.1.3 Maximum Secondary Electron Yield (SEY) Of The Material Is Greater Than 1
5(1)
1.1.4 Transition Time Of Secondary Electrons Is An Odd Multiple Of One Half-Cycle Of A Microwave Signal
6(2)
1.2 Research Background Of Spacecraft Multipactor Effect
8(1)
1.3 Research History Of Numerical Simulation Methods Of Multipactor For Space Application
9(7)
1.4 Related Research Institutions And Research Progress In China
16(2)
1.5 Summary
18(1)
References
18(5)
Chapter 2 Basic Theory And Measurement Method Of Secondary Electron Emission In Multipactor 23(56)
2.1 Overview
23(2)
2.2 Basic Theory Of See
25(8)
2.2.1 Principle Of See
25(8)
2.2.1.1 Electron Internal Collision
26(2)
2.2.1.2 Electron Emission
28(2)
2.2.1.3 Influence Of Surface Barrier
30(3)
2.3 Simulation Of See
33(26)
2.3.1 Theoretical Formula
33(21)
2.3.1.1 Furman Model
33(5)
2.3.1.2 Everhart Model
38(1)
2.3.1.3 Semi-Physical Model
39(15)
2.3.2 Monte Carlo Simulation
54(5)
2.3.2.1 Elastic Scattering
55(1)
2.3.2.2 Inelastic Scattering
55(1)
2.3.2.3 Simulation Process Of Electron Scattering
56(3)
2.4 Measurement Of Sey
59(8)
2.4.1 Measurement Of SEY Of Metal Materials
59(3)
2.4.2 Measurement Of SEY Of Dielectric And Semiconductor Materials
62(2)
2.4.3 SES Measurement
64(3)
2.5 Factors Affecting Sey
67(6)
2.5.1 Surface Adsorption And Contaminants On The Surface
67(3)
2.5.2 Surface Topography
70(3)
2.6 The SEY And SES Of Some Common Metal Materials
73(3)
2.7 Summary
76(1)
References
76(3)
Chapter 3 Electromagnetic Particle-In-Cell Method 79(58)
3.1 Overview
79(2)
3.2 Development And Application Of EM-PIC Method
81(3)
3.3 Procedure Of The EM-PIC Method
84(1)
3.4 FDTD Method
85(10)
3.4.1 Maxwell Equations And Differential Difference Scheme
85(3)
3.4.2 Spatial Discrete And Time-Discrete Format
88(3)
3.4.3 Difference Scheme
91(4)
3.5 Particle Model And Equation Of Motion
95(2)
3.5.1 Macroparticle Model
95(1)
3.5.2 Equations Of Motion Of Particles
95(2)
3.6 An Algorithm Of Beam-Wave Interaction
97(6)
3.6.1 Charged Particle Motion In Electromagnetic Fields
97(2)
3.6.2 Effect Of Charged Particle Motion On Electromagnetic Field
99(4)
3.6.2.1 Effect Of Particle Propulsion On Charge Density
100(1)
3.6.2.2 Effect Of Particle Propulsion On Current Density
101(2)
3.7 Particle Boundary Conditions
103(14)
3.7.1 General Particle Boundary Conditions
103(1)
3.7.2 Particle Emission Boundary Conditions
104(13)
3.7.2.1 Thermal Electron Emission Boundary Conditions
105(3)
3.7.2.2 Boundary Conditions Of Field Electron Emission
108(4)
3.7.2.3 Boundary Conditions Of Thermal Field Emission
112(2)
3.7.2.4 Space Charge Limited Emission
114(3)
3.8 Field Boundary Condition
117(13)
3.8.1 Conventional Field Boundary Condition
117(4)
3.8.1.1 Conductor And Dielectric Boundary Condition
117(2)
3.8.1.2 Symmetry Boundary Condition
119(2)
3.8.2 Excitation Source Boundary Condition
121(6)
3.8.2.1 Time Harmonic Field Source
122(1)
3.8.2.2 Pulse Source
123(1)
3.8.2.3 Waveguide Excitation Source
123(4)
3.8.3 Electromagnetic Wave Absorption Boundary Condition
127(3)
3.9 Stability Condition
130(2)
3.10 Summary
132(1)
References
132(5)
Chapter 4 EM-PIC Simulation Of Multipactor 137(42)
4.1 Introduction
137(1)
4.2 EM-PIC Simulation Method
138(3)
4.3 EM-PIC Simulation Method Based On Non-Uniform Meshing
141(2)
4.3.1 Mesh Coordinates Converted To Actual Coordinates
141(1)
4.3.2 Actual Coordinates Converted To Mesh Coordinates
142(1)
4.4 Boundary Conditions In Multipactor Simulation
143(2)
4.4.1 Conductor Boundary
143(1)
4.4.2 Open Boundary
144(1)
4.4.3 Symmetry Boundary
145(1)
4.4.4 Periodic Boundary
145(1)
4.5 Effect Of See On Multipactor Simulation
145(12)
4.5.1 Basic Theory
145(2)
4.5.2 Numerical See Model
147(1)
4.5.2.1 Emission Angle
147(1)
4.5.2.2 Emission Energy
148(1)
4.5.3 Three Types Of Ses
148(8)
4.5.3.1 Basic Assumptions
148(1)
4.5.3.2 Elastic Electron Model
149(1)
4.5.3.3 Scattering Electron Model
150(1)
4.5.3.4 True Secondary Electrons
151(1)
4.5.3.5 Emission Probability
151(1)
4.5.3.6 Correction Of Tse Emission Probability
152(1)
4.5.3.7 Relationship With The Incident Angle
153(1)
4.5.3.8 Secondary Electron Emission Spectrum
154(2)
4.5.4 See Calculation In Multipactor Simulation
156(1)
4.6 Simulation Of Multipactor In Rectangular Waveguides
157(3)
4.7 Simulation And Analysis Of Multipactor In An Impedance Transformer
160(6)
4.7.1 Geometric Modelling
160(1)
4.7.2 Meshing
160(1)
4.7.3 Simulation Results
161(5)
4.8 Simulation And Analysis Of Multipactor In An Ridge-Waveguide Filter
166(5)
4.8.1 Geometric Modelling
166(1)
4.8.2 Meshing
166(2)
4.8.3 Simulation Results
168(3)
4.9 Simulation And Analysis Of Multipactor In Microwave Switch
171(4)
4.10 Summary
175(1)
References
175(4)
Chapter 5 Multipactor Analysis In Multicarrier Systems 179(18)
5.1 Introduction
179(2)
5.2 Multicarrier Signals
181(3)
5.3 Twenty Gap-Crossing Rule (TGR)
184(3)
5.4 Long-Term Multicarrier Multipactor
187(7)
References
194(3)
Chapter 6 Pic Simulation Of Collector For TWT 197
6.1 Introduction
197(1)
6.2 Principle Of Traveling Wave Tube
198(2)
6.3 Operating Principle Of The Collector Of Traveling Wave Tube
200(3)
6.4 Numerical Algorithm For Collector
203(5)
6.4.1 The Basic Principle Of The Algorithm
203(4)
6.4.1.1 Maxwell Equation
204(1)
6.4.1.2 Equation Of Motion
205(1)
6.4.1.3 Current Continuity Equation
205(2)
6.4.2 Secondary Electrons In The Collector
207(1)
6.5 Simulated Examples Of Collector
208(7)
6.5.1 The Efficiency Of The Collector
208(3)
6.5.2 Simulated Example
211(4)
6.6 Summary
215(1)
References
215
Wanzhao Cui, Professor of the China Academy of Space Technology, Xian. His current research interests include microwave technology, and satellite communication.

Yun Li, Senior Engineer of the China Academy of Space Technology, Xian. He is an expert in the field of aerospace microwave technology, co-authored over 40 papers, and is the inventor of over 35 licensed patents.

Hongtai Zhang, President of the China Academy of Space Technology, and he is a full member of The International Academy of Astronautics (IAA) and academician of Russian Academy of Cosmonautics.

Jing Yang, Engineer of the China Academy of Space Technology, Xian. She is engaged in multipactor and secondary electron emission research.