A High Performance Cathode Heater for Hall Thrusters

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$99,999.00
Award Year:
2008
Program:
SBIR
Phase:
Phase I
Contract:
NNX08CD16P
Award Id:
88160
Agency Tracking Number:
075351
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
19501 144th Avenue NE, Suite F-500, Woodinville, WA, 98072
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
015577190
Principal Investigator:
EnderSavrun
Principal Investigator
(425) 485-7272
ender.savrun@siennatech.com
Business Contact:
EnderSavrun
Business Official
(425) 485-7272
ender.savrun@siennatech.com
Research Institute:
n/a
Abstract
High current hollow cathodes are the baseline electron source for next generation high power Hall thrusters. Currently for electron sources providing current levels >50 A and cathodes utilizing LaB6 emitters, the only viable, long life heater technology is a low reliability, low producibility, multi-element heater constructed from MgO insulated coaxial heater cable. In the Phase I project we will develop novel insulator materials to replace MgO that can provide high temperature capability, with good thermal conductivity and electrical isolation. We will design, fabricate, and test prototype swaged coaxial heaters incorporating the novel insulators, in collaboration with a heater manufacturer and an end user aerospace company.

* information listed above is at the time of submission.

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