Accession Number : AD0476304


Title :   THE DEVELOPMENT OF AN INSULATED THERMIONIC CONVERTER-HEAT PIPE ASSEMBLY.


Descriptive Note : Quarterly technical rept. no. 3, 15 Sep-15 Dec 65,


Corporate Author : RADIO CORP OF AMERICA LANCASTER PA DIRECT ENERGY CONVERSION DEPT


Personal Author(s) : Harbaugh, W E


Report Date : Dec 1965


Pagination or Media Count : 35


Abstract : A contract objective was met during this report period when an A-1198C converter produced uniform electrical power output for a period of 506 hours when heated solely by a heat pipe. Progress was made in the improvement of the three converter module although problem areas still exist in high temperature ceramic to metal seal technology. Cesium quality was improved by the use of ultra high vacuum processing equipment. The effect of xenon and argon on converter performance was determined at emitter temperatures up to 1550 C. Tests continued on the insulating capabilities of aluminum oxide layers at 1600 C. Heat pipe processing was improved and simplified and prototype heat pipes were tested to 1600 C. Fabrication of additional A-1198C converters was continued. These converters will be used to obtain calibration test data with an electrical heater and for additional life tests. (Author)


Descriptors :   HEAT , THERMAL INSULATION , OXIDES , BRAZING , SEALS(STOPPERS) , RUPTURE , PROCESSING , CESIUM , COPPER , ENCAPSULATION , REDUCTION , OXYGEN , ARGON , XENON , LITHIUM , DISTILLATION , MOLYBDENUM , TUNGSTEN


Subject Categories : Electric Power Production and Distribution


Distribution Statement : APPROVED FOR PUBLIC RELEASE