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Temperature Rise Analysis and Simulation Research on Traveling Wave Induction Launcher

Author: ZuoShengLi
Tutor: GaoJunShan
School: Harbin University of Science and Technology
Course: Control Theory and Control Engineering
Keywords: Traveling wave induction Temperature field ANSYS simulation Heat source calculation
CLC: O441.4
Type: Master's thesis
Year: 2008
Downloads: 48
Quote: 2
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Abstract


Electromagnetic launch technology is a major step forward in the history of human energy use . As early as in the 19th century , it was suggested that the electromagnetic emission of gratitude . After a hundred years of accumulation, electromagnetic emission has been rapid development . The electromagnetic emission range of applications has been extended to many fields such as aerospace . The traveling-wave transmitter is a significant improvement of the ordinary electromagnetic launchers . The traveling wave induction emitter structure is more conducive to the connection of the coil at all levels . This is to avoid the ordinary electromagnetic launchers interstage excessive process brought great benefits . It is also increasing because of the expansion of the scope of application of the traveling wave transmitter and power , the temperature rise of the problem is also increasingly attention has been paid . The temperature field of the traveling wave transmitter does not have a complete theory , especially throwing the body parts with traditional thermal circuit analysis of the temperature field of the projectile , will need to go through a number of approximations and a lot of calculation . In this paper, ANSYS provided powerful electromagnetic - thermal coupling module to analyze the temperature field of the projectile , research and analysis parameters affecting its temperature changes . This traveling wave transmitters and other electromagnetic - thermal coupling provides a new way . In order to improve efficiency , reduce costs , the paper first theoretical analysis, simulation again . The thermodynamics of knowledge , on the basis of the theory , analysis ; traveling wave induction transmitter works as well as the temperature rises , heat conduction differential equations establish the mathematical model and to determine the boundary conditions of the temperature field of the traveling wave induction transmitter ; combining the means of finite element simulation and theoretical analysis of the heat transfer coefficient of the traveling-wave transmitters , thermal conductivity than the heat capacity parameters formula derivation and numerical calculation ; ANSYS analysis method of electromagnetic - thermal coupling analysis the temperature field of the traveling wave transmitter . Paper also affect the temperature field by changing the parameters ( voltage , ambient temperature , projectile initial position , the ignition intervals ) , traveling wave transmitter cloud images under different conditions of temperature field comparison, analysis , obtained compare important conclusion . After traveling wave transmitter design and provide a theoretical reference and analysis methods have certain theoretical significance and practical value .

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CLC: > Mathematical sciences and chemical > Physics > Electromagnetics,electrodynamics > Electricity and Magnetism > Electromagnetic waves and electromagnetic fields
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