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Caractérisation thermique d'un propulseur à effet Hall. Bohnert 9781249358718 neuf<|-
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Numéro de l'objet eBay :305365292358
Caractéristiques de l'objet
- État
- Title
- Thermal Characterization of a Hall Effect Thruster
- ISBN
- 9781249358718
- Publication Year
- 2012
- Type
- Textbook
- Format
- Paperback
- Language
- English
- Publication Name
- Thermal Characterization of a Hall Effect Thruster
- Item Height
- 246 mm
- Publisher
- Biblioscholar
- Subject
- Education
- Item Weight
- 209 g
- Item Width
- 189 mm
- Number of Pages
- 108 Pages
À propos de ce produit
Product Information
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)
138625318
Product Key Features
Publication Year
2012
Subject
Education
Number of Pages
108 Pages
Language
English
Publication Name
Thermal Characterization of a Hall Effect Thruster
Type
Textbook
Format
Paperback
Dimensions
Item Height
246 mm
Item Weight
209 g
Item Width
189 mm
Additional Product Features
Description de l'objet fournie par le vendeur
Informations sur le vendeur professionnel
WRAP Ltd.
Mubin Ahmed
Unit 4
119 Loverock Road
Reading
Berkshire
RG30 1DZ
United Kingdom
Numéro de TVA :
- GB 724498118
Numéro d'immatriculation de la société :
- 03800600
Je certifie que toutes mes activités de vente seront conformes à toutes les lois et réglementations de l'UE.
Numéro CRN :
- 03800600
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- h***d (67)- Évaluations laissées par l'acheteur.6 derniers moisAchat vérifiéReally good considering the age of it. Item received very well packaged. Just as described - ‘very good’. Would have been delivered within its due date but Royal Mail were to blame as they had it in the delivery office but didn’t send someone out to deliver that day. This is an issue with Royal Mail all the time so don’t always assume the seller didn’t send it. Good communication and highly recommend this seller.
- x***o (887)- Évaluations laissées par l'acheteur.Dernier moisAchat vérifiéWhat you see is what you get. With checkout complete, item securely packaged it was shipped swiftly. It really adds to the “eBay experience”, restoring your faith in people/eBay sellers when you’ve found something you like, and having checked the description, you need more information, or simply clarification on something, you ask the question(s), the seller then responds with a promptly: filling in the gaps. A very smooth transaction. I would purchase from this seller again. Thank you.
- e***- (249)- Évaluations laissées par l'acheteur.6 derniers moisAchat vérifiéVery positive experience buying from this seller, the book is as described and very low priced, along with free postage it would be very hard to beat such good value. My purchase was delivered swiftly and securely packaged. I have bought from this seller before and would do again. Communication is excellent and I can highly recommend this seller for great service and unbeatable value. 5 🌟 all round.
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