Specification. Cores made of ferromagnetic oxides for use in high flux density transformers

2015 ◽  
Keyword(s):  
Flux Density ◽  
High Flux ◽  
Ferromagnetic Oxides

Four Southern Intraday Variable Radio Sources

1998 ◽  
Vol 164 ◽  
pp. 271-272 ◽  
Author(s):  
L. L. Kedziora-Chudczer ◽  
D. L. Jauncey ◽  
M. H. Wieringa ◽  
J. E. Reynolds ◽  
A. K. Tzioumis
Keyword(s):  
Flux Density ◽  
Progress Report ◽  
Radio Sources ◽  
High Flux ◽  
Inverted Spectrum ◽  
Spectrum Radio ◽  
Variable Radio

AbstractThis is a progress report on the ATCA IDV survey of compact, flat or inverted spectrum radio sources. We found that four sources: PKS 0405–385, PKS 1034–293, PKS 1144–397, and PKS 1519–273 out of the sample of 125 show high flux density variability on the daily timescale. The characteristics of observed IDV are discussed and we reflect on its possible origin.

Radiotoxicity of Actinides During Transmutation in Final Stage of Atomic Power

2002 ◽  
Author(s):  
Aleksander S. Gerasimov ◽  
Boris R. Bergelson ◽  
Lidia A. Myrtsymova ◽  
Georgy V. Tikhomirov
Keyword(s):  
Neutron Flux ◽  
Flux Density ◽  
Final Stage ◽  
High Flux ◽  
Neutron Flux Density

Characteristics of a transmutation mode in final stage of atomic power are analyzed. In this stage, transmutation of actinides accumulated in transmutation reactors is performed without feed by actinides from other reactors. The radiotoxicity during first 20 years of transmutation is caused mainly by 244Cm. During following period of time, 252Cf is main nuclide. Contribution of 246Cm and 250Cf is 5–7 times less than that of 252Cf. During 50 years of a transmutation, the total radiotoxicity falls by 50 times. Long-lived radiotoxicity decreases slowly. During the period between T = 50 years and T = 100 years, long-lived radiotoxicity falls by 3.7 times. For each following 50 years after this period, long-lived radiotoxicity falls by 3.2 times. These results corresponding to neutron flux density 1014 neutr/(cm2s) in transmutation reactor demonstrate that the final stage of a transmutation should be performed with use of high flux transmutation facilities which provide shorter time of transmutation.

scholarly journals The Angular Size Distribution of Radio Sources at Low Flux Densities

1982 ◽  
Vol 97 ◽  
pp. 393-400
Author(s):  
Ann Downes
Keyword(s):  
Size Distribution ◽  
Flux Density ◽  
Angular Size ◽  
Linear Size ◽  
Radio Sources ◽  
High Flux ◽  
Extragalactic Radio Sources ◽  
Size Evolution

Observations of complete samples of extragalactic radio sources at low and intermediate flux densities are described. Many types of source are found. The angular sizes form a smooth extrapolation from higher flux densities, and can be predicted from the known properties of samples at high flux density either with linear size evolution (for Ω = 1 or Ω = 0 Universes) or without linear size evolution (for Ω = 0). The question of whether such evolution is required therefore remains open.

New power supply method for soft magnetic material characterization at high flux density values

1992 ◽  
Vol 28 (5) ◽  
pp. 2459-2461 ◽  
Author(s):  
A. Boglietti ◽  
P. Ferraris ◽  
M. Lazzari ◽  
M. Pastorelli ◽  
F. Profumo
Keyword(s):  
Magnetic Material ◽  
Flux Density ◽  
Power Supply ◽  
Material Characterization ◽  
Soft Magnetic Material ◽  
High Flux ◽  
Soft Magnetic ◽  
Density Values

Study of suitable motor structure for IPMSM with high flux density material

2014 ◽  
Author(s):  
Masashi Matsuhara ◽  
Masayuki Sanada ◽  
Shigeo Morimoto ◽  
Yukinori Inoue
Keyword(s):  
Flux Density ◽  
High Flux ◽  
Motor Structure

Fringing window of a magnet with high flux density uniformity

2011 ◽  
Author(s):  
Antonio Roque ◽  
Jose Maia ◽  
Elmano Margato ◽  
Duarte M. Sousa ◽  
Gil D. Marques
Keyword(s):  
Flux Density ◽  
High Flux

Demonstrate for Rotating C-Shape Magnetic Refrigeration near Room Temperature

2014 ◽  
Vol 704 ◽  
pp. 154-158
Author(s):  
Ali Alahmer
Keyword(s):  
Finite Element ◽  
Magnetocaloric Effect ◽  
Flux Density ◽  
Heat Exchangers ◽  
Room Temperature ◽  
Magnetic Refrigeration ◽  
Magnetic Method ◽  
High Flux ◽  
A Value ◽  
Distinctive Property

Magnetic refrigeration is a new promised technology based on a distinctive property magnetocaloric effect (MCE) of some materials such as gadolinium. This manuscript demonstrates a rotating C-shape magnetic refrigeration using finite element magnetic method (FEMM). The proposed configuration can be produced a mean flux density about 0.6 T in the high flux region and a value of 0.02 T in the low flux density when the magnetocaloric material was magnetized and demagnetized respectively. Also a C-shape rotating magnetic refrigeration model was successfully built and tested in Tafila Technical University at mechanical engineering laboratories. A 3 °C of temperature difference between a hot and cold end of heat exchangers was achieved.

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