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Title Parametric analyses of AMTEC multitube cells and recommendation for revised cell design
Creator/Author Schock, A. ; Noravian, H. ; Or, C. ; Kumar, V. [Orbital Sciences Corporation 20301 Century Blvd. Germantown, Maryland20874 (United States)]
Publication Date1997 Jan 01
OSTI IdentifierOSTI ID: 627655
Report Number(s)CONF-970115--
Other Number(s)APCPCS; ISSN 0094-243X
Resource TypeJournal Article
Resource RelationAIP Conference Proceedings ; VOL. 387 ; ISSUE: 1 ; Space technology and applications international forum (STAIF - 97), Albuquerque, NM (United States), 26-30 Jan 1997 ; PBD: Jan 1997
Subject42 ENGINEERING NOT INCLUDED IN OTHER CATEGORIES;30 DIRECT ENERGY CONVERSION ; SPACE VEHICLES; THERMOELECTRIC GENERATORS; DESIGN; PLUTONIUM 238; POWER RANGE 10-100 W; RADIOISOTOPE HEAT SOURCES; FUEL CELLS; FLUID FLOW; THERMAL ANALYSIS
Description/Abstract The OSC-derived procedure for analyzing multitube AMTEC cells described in the preceding paper was used to determine the effects of various design parameters on the cells{close_quote} performance. Particular attention was paid to the length, diameter, and wall thickness of the standoff that connects the evaporator at the bottom of the wick with the plenum at the bottom of the BASE tubes. Those standoff dimensions have a pronounced effect on the cell{close_quote}s performance and the adequacy of its temperature margin (to ensure that the high-pressure sodium does not condense in the BASE tube, causing shorting of the multitube cell). The paper displays parametric trade-off curves between those variables, and also presents the computed results of varying the plenum cover thickness, the cell wall thickness and reflectivity, the condenser temperature and reflectivity, and the cell heat input and voltage output. Those parametric studies culminate in an OSC recommendation for a revised multitube AMTEC cell design.{copyright}{ital 1997 American Institute of Physics.}
Country of PublicationUnited States
LanguageEnglish
Formatpp. 1395-1404 ; PL:
System Entry Date2001 May 06

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