Accession Number : AD0270757

Title :   THE TEMPERATURE GRADIENT IN THE RANQUE-HILSCH TUBE

Corporate Author : FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO

Personal Author(s) : BRODYANSKIY,V.M. ; LEYTES,I.L.

Report Date : 15 JAN 1962

Pagination or Media Count : 1

Abstract : AD-270 7579N1 AD-270 758Div. 20, 15U (TISTP/TL) OTS price $7.60 Foreign Tech. Div., A IR Force Systems Command, Wright-Patterson Air Force Base, Ohio. NUCLEAR ENERGY (SELECTED ARTICLES). 22 Jan 62, 69p. incl. illus. tables, 15 refs. (Trans. no. FTD-TT-61-1170 of Atomkernenergie: No. 7/8, pp. 273-285, 309-317, 1961) Unclassified report DESCRIPTORS: (*Nuclear energy, Spheres, *Uranium, 8heavy water reactors, Control.) (Design, Theory, Tests.) (Safety, Containers, Low pressure research.) (Neutrons, Boron, Conversion ratio, Diffusion, Neutron capture, Transport properties, Plutonium, Xenon, Neutron cross sections.) (Differential equations, Integral transforms, Integral equations, Integration, Probability, Statistical distributions, Matrix algebra, Groups (Mathematics), Geometry, Trigonometry.) USSR.A reactor with an outer control-rod zone can be designed in such a way that a long life span can be achieved. In a given reactor capacity of 20 Mw the change in time of the control-rod position in the critical stage is investigated, giving due consideration to burn-up, poisoning, and conversion. The calculation of the behavior in time was first made within the scope of a modified one-group theory and then in the scope of a three-group theory. It was established that the modified one-group theory is useless for long-term calculations. The advantage of this reactor is the high degree of conversion in the outer zone. (Author)

Descriptors :   *HILSCH TUBES, KINETIC THEORY, NOZZLES, THERMODYNAMICS, VELOCITY, VORTICES

Distribution Statement : APPROVED FOR PUBLIC RELEASE