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James Van Allen journal, 1951?-December 1954
Page 12
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Alpher: Kantrowitz (?), graduate student at Cornell Aeronautical School, has succeeded in producing soft x-rays by focusing a shock wave by reflection [sketch/picture] drawing including: cone pointing right with curved base on left, curved line further to right, cellophane burst diaphragm Frenkiel (?) at NOL knows about Bleakney "Shock Tribe". ------> ---------------------------------------------------------------- Principal result for 3/8 inch and 5/16 inch diameter steel spheres [sketch/picture] Graph of (K sub D) {up to 0.38} versus Mach Number {up to 10}, data curve decreases from 0.38 down to 0.36 going "flat" at 0.36 from Mach 4 through Mach 10 Flat from Mach 4 - Mach 10 at 0.36 = (K sub D).
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Alpher: Kantrowitz (?), graduate student at Cornell Aeronautical School, has succeeded in producing soft x-rays by focusing a shock wave by reflection [sketch/picture] drawing including: cone pointing right with curved base on left, curved line further to right, cellophane burst diaphragm Frenkiel (?) at NOL knows about Bleakney "Shock Tribe". ------> ---------------------------------------------------------------- Principal result for 3/8 inch and 5/16 inch diameter steel spheres [sketch/picture] Graph of (K sub D) {up to 0.38} versus Mach Number {up to 10}, data curve decreases from 0.38 down to 0.36 going "flat" at 0.36 from Mach 4 through Mach 10 Flat from Mach 4 - Mach 10 at 0.36 = (K sub D).
Van Allen Papers
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