SNAP RADIOISOTOPE SPACE PROGRAMS, TASK 2, 3 AND 7, QUARTERLY PROGRESS REPORT NO. 5, OCTOBER 1 THROUGH DECEMBER 31, 1960 [electronic resource]
Nesdps Office Of Nuclear Energy Space And Defense Power Systems.
Saved in:
| Online Access: |
Online Access |
|---|---|
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Department of Energy. ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
1961.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a SNAP RADIOISOTOPE SPACE PROGRAMS, TASK 2, 3 AND 7, QUARTERLY PROGRESS REPORT NO. 5, OCTOBER 1 THROUGH DECEMBER 31, 1960 |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Department of Energy. ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 1961. | ||
| 300 | |a Pages: 46 : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 10/31/1961. | ||
| 500 | |a "mnd-p-3013-i" | ||
| 500 | |a Martin Co. Nuclear Div., Baltimore. | ||
| 520 | 3 | |a Functional testing was completed on the ground handling equipment for transporting the Ce/sup 144/ heat source container and loading the SNAP 1A generator. Mercury shield fill and drain tests for the generator system and the collar shield were conducted. Heat-transfer tests of the isotope heat source shipping cask were conducted. Simulated rocket-launch environmental tests of vibration, acceleration, and shock were completed on the G-2 generator. Analysis of the environmental test data was initiated. Final dssign studies for the G-3 generator were completed, and a thermoelectric module concept was selected for use in the isotope-fueled generator. Development tests of thermoelectric modules in a module tester were initiated. Voltage breakdown tests were conducted on a porcelain enamel spray coat. The matenial was evaluated for application to the G- 3 generator inner skin as a possible second discrete barrier against hot junction electrical shorts. SNAP 3 generator 3M-1G10 completed 322 days of life test operation, and the power input was terminated after the generator was operated under a full range of external loads to obtain performance characteristics. Electrical power output after 322 days at steady-state heat source and external load conditions was 1.92 watts, for an over-all efficiency of 2.9%. Tear-down inspection of the generator conformed previous indications of incrsased internal electrical resistance and thermal conductivity, which account for the gradual reduction in generator performance from the start-of-life electrical output of 3.45 watts and 5.2% over-all efficiency. The SNAP 3 3M-1G5 generator was successfully fueled with Po/sup 210/. Maximum electrical power output was 4 watts at an over-all efficiency of 5.2%. Radiological safety studies for space power were initiated. (For preceding period see MND-P-3012-I.) (auth) | |
| 520 | 0 | |a Nesdps Office Of Nuclear Energy Space And Defense Power Systems. | |
| 536 | |b AT(30-3)-217. | ||
| 650 | 7 | |a Breakdown. |2 local. | |
| 650 | 7 | |a Ceramics. |2 local. | |
| 650 | 7 | |a Cerium 144. |2 local. | |
| 650 | 7 | |a Coating. |2 local. | |
| 650 | 7 | |a Dielectrics. |2 local. | |
| 650 | 7 | |a Electric Conductivity. |2 local. | |
| 650 | 7 | |a Fuels. |2 local. | |
| 650 | 7 | |a Generators. |2 local. | |
| 650 | 7 | |a Heat Transfer. |2 local. | |
| 650 | 7 | |a Mercury. |2 local. | |
| 650 | 7 | |a Polonium 210. |2 local. | |
| 650 | 7 | |a Porcelain. |2 local. | |
| 650 | 7 | |a Power. |2 local. | |
| 650 | 7 | |a Production. |2 local. | |
| 650 | 7 | |a Propulsion. |2 local. | |
| 650 | 7 | |a Radioisotopes. |2 local. | |
| 650 | 7 | |a Remote Handling. |2 local. | |
| 650 | 7 | |a Safety. |2 local. | |
| 650 | 7 | |a Shielding. |2 local. | |
| 650 | 7 | |a Snap Systems. |2 local. | |
| 650 | 7 | |a Space Vehicles. |2 local. | |
| 650 | 7 | |a Testing. |2 local. | |
| 650 | 7 | |a Thermal Conductivity. |2 local. | |
| 650 | 7 | |a Vessels. |2 local. | |
| 650 | 7 | |a General And Miscellaneous. |2 edbsc. | |
| 710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
| 856 | 4 | 0 | |u http://www.osti.gov/scitech/biblio/4064004 |z Online Access |
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