11,310 research outputs found
Determination of elevated-temperature fatigue data on refractory alloys in ultra- high vacuum fourth quarterly report, 1 apr. - 1 jul. 1965
High temperature fatigue data on refractory alloys in ultrahigh vacuum - tests on titanium- zirconium-molybdenu
Generation of long time creep data of refrac- tory alloys at elevated temperatures seventh quarterly report, 26 dec. 1964 - 26 mar. 1965
Ultrahigh vacuum creep data for tungsten, tungsten-25 per cent rhenium, TZM and TZC MOLYBDENUM alloys and AS-30 niobium allo
Generation of long time creep data of refractory alloys at elevated temperatures fifth quarterly report, 26 jun. - 26 sep. 1964
Creep testing data and machine reliability for high-temperature long-time tests on niobium, tungsten, and rhenium alloy
Determination of elevated-temperature fatigue data on refractory alloys in ultra-high vacuum Fifth quarterly report, 1 Jul. - 1 Oct. 1965
Elevated-temperature fatigue data on notched and smooth specimens of refractory alloys in ultrahigh vacuum environment
Generation of long time creep data of refractory alloys at elevated temperatures Eleventh quarterly report, 26 Dec. 1965 - 26 Mar. 1966
Creep tests of arc-cast and vapor deposited tungsten, molybdenum alloys, niobium, and tantalum base alloys for use in advanced power system
Generation of long time creep data on refractory alloys at elevated temperatures eighth quarterly report
Creep resistance of refractory alloys at elevated temperatures under ultrahigh vacuum condition
Closed-loop Dynamics of In-core Thermionic Reactor Systems
Using a point model of an in-core thermionic converter, alternative schemes for providing closed loop reactor control were investigated. It was found that schemes based on variable gain power regulation buffers which use the reactor current as the control variable provide complete protection from thermionic burnout and also provide a virtually constant voltage to the user. A side benefit is that the emitter temperature transients are small-even for a complete electric load drop the emitter temperature transient is less than 100 deg K. The current regulation scheme was selected for further study with a distributed parameter model which was developed to account for variations in thermionic and heat transfer properties along the length of a cylindrical converter. It was found that even though the emitter temperature distribution is about 200 deg K along the converter length, the dynamic properties are unchanged when using the current control scheme
Generation of long time creep data on refractory alloys at elevated temperatures Twelfth quarterly report, 26 Mar. - 26 Jun. 1966
Long time creep data on refractory alloys at high temperature
Generation of long time creep data on refractory alloys at elevated temperatures Quarterly report, 26 Oct. - 26 Dec. 1966
Long-time creep data on refractory metal alloys for advanced space power system
Generation of long time creep data of refractory alloys at elevated temperatures
Creep test data on refractory metal alloys for use in spacecraft power supply system
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