26 research outputs found
Investigation of shock-boundary-layer interaction on the spike of a conical-spike nose inlet
Measurements were made of the height of the shock-induced boundary-layer thickening and separation over a Mach number range of 1.6 to 2.0. The behavior of the interaction depended on longitudinal spike position as well as on cone surface Mach number. The cone position affected the interaction by changing the rate of subsonic diffusion and thereby changing the pressure aft of the terminal shock. When the pressure rise due to the interaction exceeded about 1.9, the boundary layer was separated
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Structural design considerations in the Mirror Fusion Test Facility (MFTF-B) vacuum vessel
In view of favorable results from the Tandem Mirror Experiment (TMX) also at LLNL, the MFTF project is now being rescoped into a large tandem mirror configuration (MFTF-B), which is the mainline approach to a mirror fusion reactor. This paper concerns itself with the structural aspects of the design of the vessel. The vessel and its intended functions are described. The major structural design issues, especially those influenced by the analysis, are described. The objectives of the finite element analysis and their realization are discussed at length