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Thermal Characterization of a Hall Effect Thruster by Alex M Bohnert (Paperback, 2012)

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The thermal characteristics of a Hall thruster directly influence thruster and spacecraft design. High temperatures affect the magnetic coil capabilities and cause higher insulator erosion rates, influencing both thruster performance and lifetime. The Hall thruster transfers heat through both radiation and conduction, and the spacecraft must handle this additional thermal energy. An infrared camera provides a non-intrusive method to analyze the thermal characteristics of an operational Hall thruster. This thesis contains the thermal analysis of a Busek Co. Inc. 200 W Hall thruster, using a FLIR ThermaCAM SC640 infrared camera. The Space Propulsion Analysis and System Simulator Laboratory at the Air Force Institute of Technology on Wright-Patterson Air Force Base provided the location for thruster set up and operation. The infrared camera furnishes the surface temperatures for the entire thruster, and approximates the transient heating behavior during start up, steady state, and shut down. Thermocouples verify and correct the camera data. Experimentally determined emissivities characterize the materials of the thruster. In addition, a view factor analysis between the camera pixels and the alumina sprayed portion of the cathode determines the exchange of radiation between the pixels and cathode surface. This process develops a technique to map surface temperatures of complex geometries with confidence in the actual values. Accurately mapping the surface temperatures of a Hall Effect thruster will improve both thruster efficiency and lifetime, and predict the thruster's thermal load on a satellite.

Product Identifiers

Publisher
Biblioscholar
ISBN-13
9781249358718
eBay Product ID (ePID)
138946518

Product Key Features

Author
Alex M Bohnert
Publication Name
Thermal Characterization of a Hall Effect Thruster
Format
Paperback
Language
English
Subject
Education
Publication Year
2012
Type
Textbook
Number of Pages
108 Pages

Dimensions

Item Height
246mm
Item Width
189mm
Item Weight
209g

Additional Product Features

Title_Author
Alex M Bohnert

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Thermal Characterization of a Hall Effect Thruster by Alex M Bohnert (Paperback, 2012)

About this product

Product Information

Product Identifiers

Product Key Features

Dimensions

Additional Product Features

Best Selling in Adult Learning & University

Eduqas GCSE (9-1) Religious Studies Route B: Catholic Christianity and Judaism by Deirdre Cleary, Andrew Barron, Joy White, Patrick Harrison (Paperback, 2017)

Save on Adult Learning & University

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Michael Nehls The Indoctrinated Brain (Hardback) (US IMPORT)

Havard's Nursing Guide to Drugs

Nelson Senior Maths 11 Mathematics Essential Student Book with 1 Access Code for

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