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Marco Island, FL|JW Marriott Marco Island
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Honoring Dennis Wilkinson on the 106th anniversary of his birth
Vice Admiral Eugene P. “Dennis” Wilkinson (Photo: U.S. Navy)
August 10, 2024, marks the 106th birthday of Vice Admiral Eugene P. “Dennis” Wilkinson of the U.S. Navy (who died in his 95th year in July 2013). It is a fitting time to reflect on and honor the man who contributed so much to the navy and the worldwide nuclear power industry.
This video about the Battle of Leyte Gulf in October 1944—the largest naval battle of World War II and a major contributing factor to the end of Japanese involvement—provides an exciting recount of the heroic U.S. submarines USS Darter (SS-227) and USS Dace (SS-247). A young Dennis Wilkinson was the torpedo data computer operator on the Darter, for which he was awarded the Silver Star. Wilkinson’s first-person recollections of this pivotal moment in U.S. naval history have been collected in Underway on Nuclear Power: The Man Behind the Words (2016, ANS).
The United States and Japan began rebuilding relations after the war. In 1966, Wilkinson, by then an admiral, was assigned chief of staff, U.S. Forces Japan, to continue those efforts.
E. Alves, L.C. Alves, M.F da Silva, A.A. Melo, J.C. Soares, F. Scaffidi-Argentina
Fusion Science and Technology | Volume 38 | Number 3 | November 2000 | Pages 320-325
Technical Paper | Special Issue on Beryllium Technology for Fusion | doi.org/10.13182/FST00-A36145
Articles are hosted by Taylor and Francis Online.
The electrical resistivity behaviour of a beryllium pebble bed has been studied as a function of the temperature and pressure. At room temperature the resistivity of a single size 2 mm pebble bed decreases drastically from 2·10−2 Ωm to 10−4Ωm by applying an external pressure. After this first drop, the resistivity shows an almost linear decrease with the applied pressure. The same trend appears for a single size 0.1–0.2 mm pebble bed, but the resistivity values are about one order of magnitude higher than in the case of the 2 mm pebbles. At room temperature, the lowest resistivity values were found for the case of a binary pebble bed. After a mechanical cycling the electrical resistivity of the bed never reaches its initial value for zero pressure but it remains about one order of magnitude below the original value. After the first loading cycle the following loading/unloading resistivity curves do not show any significant change. The temperature dependence of the mixed pebble bed was investigated in air at 300 °C, 450 °C and 550 °C. The resistivity behaviour of the pebble bed with the applied pressure is, at high temperature, qualitatively the same as that observed at room temperature. For the same applied load the pebble bed electrical resistivity increases almost linearly with the temperature. Measurements of the oxyde content of the pebbles before and after the heating show a higher beryllium oxide content for the heated pebbles than for the not heated ones.