12 Matching Results

Search Results

Advanced search parameters have been applied.
in publisher: "Thermo Electron Corp., Waltham, Mass. USA"  
Results: 1 - 12
open access

NASA/DOE advanced thermionic technology program. Progress report No. 28

Description: Surface studies of thermionic emitters and collectors in the surface characterization chamber are described. Plasma studies including converter theory, experimental plasma analyses, and enhanced mode conversion experiments are discussed. Progress in thermionic converter development, the component hardware program, and the combustion-heated thermionic device program are outlined. (WHK)
Date: October 1, 1977
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

ERDA/NASA Advanced Thermionic Technology Program. Progress report No. 25. Report No. TE4220/4233-14-78

Description: Progress is reported in the areas of (1) surface studies (surface theory, surface characterization chamber, activation chamber), (2) plasma studies (converter theory, enhanced mode conversion), (3) converter development (low-temperature conversion experiments, high-efficiency converter experiments), and (4) hot shell development. (WHK)
Date: July 1, 1977
Creator: Toy, A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Technical and economic feasibility of solar augmented process steam generation. Final report

Description: A study of the technical and economic feasibility of solar augmented process steam generation was performed. This approach is analogous to a heat pump that extracts heat from a low temperature reservoir (provided by solar energy) and raises its temperature to a useful level via mechanical work. The shaft power required in the compressor is only one third to one quarter of total steam enthalpy for low pressure process steam (100 psig). This approach permits the use of low cost flat plate collect… more
Date: January 1, 1976
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Advanced Thermionic Technology Program progress report No. 7

Description: The MacColl solution for electron reflection in the presence of an image filed was analyzed to obtain an equation amenable to computer programming. Instruments for basic surface experiments are described. Research in electrode screening for low temperature converters and the evaluation of the tungsten oxide converter, tungsten converter, zinc oxide converter, and lanthanum hexaboride converter is reported. Also, component hardware development including hot shell testing and combined oxygen/cesi… more
Date: January 1, 1976
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Advanced Thermionic Technology Program progress report No. 3

Description: Research progress is reported. A BaO collector was subjected to Auger and scanning electron microprobe analyses. Experiments measuring the work function of promising collector materials at high cesium impingement rates were continued. Evaluation of the tungsten oxide converter, barium oxide converter, and guarded converter continued. Results are given and discussed. (WHK)
Date: September 1, 1975
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Advanced Thermionic Technology Program progress report No. 5

Description: Theoretical calculations were made of the electron reflectivity for quantum mechanical models of the surface dipole layer. Research on plasma theory is summarized including the modification of the plasma program to include electron temperature gradient iteration and a series of tests using a pulsed triode converter with an electropolished arc cast tungsten emitter, a deposited tungsten oxide collector and a four wire molybdenum grid. Converter development is summarized including electrode scree… more
Date: November 1, 1975
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

ERDA/NASA advanced thermionic technology program. Progress report No. 23

Description: Research progress is outlined in the areas of surface studies (basic experiments and direct beam chamber), plasma studies (converter theory and advanced mode conversion experiments), component development (low-temperature and high-temperature converter experiments), and component hardware (hot shell development). (WHK)
Date: May 1, 1977
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

ERDA/NASA advanced thermionic technology program, progress report No. 13

Description: Surface studies, including surface chemical analysis, work functions, Auger analysis, and ESCA analysis, of various materials for use as thermionic emitters and collectors are reported. Plasma studies are described, and hot shell development is discussed. Also, the development of alloys and alloy/coating combinations as protective cover materials for thermionic devices is outlined. (WHK)
Date: July 1, 1976
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
Back to Top of Screen