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Active dust mitigation technology for thermal radiators for lunar exploration
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Irwin, S. A. Connell, J. W. VanSuetendael, N. J. Hogue, M. D. Buhler, C. R. Clements, J. S. Snyder, S. J. Hopkins, J. W. Calle, C. I. Case, S. O. Holloway, N. M. H. Chen, A. Johansen, M. R. |
| Copyright Year | 2010 |
| Description | Dust accumulation on thermal radiator surfaces planned for lunar exploration will significantly reduce their efficiency. Evidence from the Apollo missions shows that an insulating layer of dust accumulated on radiator surfaces could not be removed and caused serious thermal control problems. Temperatures measured at different locations in the magnetometer on Apollo 12 were 38 C warmer than expected due to lunar dust accumulation. In this paper, we report on the application of the Electrodynamic Dust Shield (EDS) technology being developed in our NASA laboratory and applied to thermal radiator surfaces. The EDS uses electrostatic and dielectrophoretic forces generated by a grid of electrodes running a 2 micro A electric current to remove dust particles from surfaces. Working prototypes of EDS systems on solar panels and on thermal radiators have been successfully developed and tested at vacuum with clearing efficiencies above 92%. For this work EDS prototypes on flexible and rigid thermal radiators were developed and tested at vacuum. |
| File Size | 1450546 |
| Page Count | 8 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20110022540 |
| Archival Resource Key | ark:/13960/t5n927g8z |
| Language | English |
| Publisher Date | 2010-03-14 |
| Access Restriction | Open |
| Subject Keyword | Spacecraft Design, Testing And Performance Lunar Dust Vacuum Thermal Radiation Dust Collectors Heat Radiators Electrostatics Radiative Heat Transfer Electrostatic Precipitators Lunar Exploration Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
