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Comparison of on-orbit and ground based hollow cathode operation
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Carpenter, Christian Burke, Tom Technical Monitor |
| Copyright Year | 2003 |
| Description | The Plasma Contactor Unit (PCU) was developed by the Rocketdyne division of Boeing to control charging of the International Space Station (ISS). Each PCU contains a Hollow Cathode Assembly (HCA), which emits the charge control electrons. The HCAs were designed and fabricated at NASA's Glenn Research Center (GRC). GRC's HCA development program included manufacture of engineering, qualification, and flight model HCAs as well as wear tests and qualification tests. GRC is currently tracking the on-orbit data for the flight HCAs. This data will be discussed with comparison to operating parameters verified by ground based HCA tests. The flight HCAs continue to operate flawlessly. The first unit has accumulated more than 3650 hours of on-orbit operation and the second unit has accumulated over 5550 hours. |
| File Size | 943134 |
| Page Count | 13 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20030093731 |
| Archival Resource Key | ark:/13960/t9v170f58 |
| Language | English |
| Publisher Date | 2003-09-01 |
| Access Restriction | Open |
| Subject Keyword | Spacecraft Propulsion And Power Hollow Cathodes Ion Engines International Space Station Wear Tests Spacecraft Charging Plasmas Physics Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
