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Miklos Farago
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Experimental Measurement of the Growth of a Turbulent Mercury Jet in a Coaxial Magnetic Field
Using a hot wire system developed for this purpose, measurements of the velocity were made in a circular liquid mercury jet issuing into a low speed secondary flow and subject to a uniform axial magnetic field. The Reynolds number of the jet was about 10,000 while the magnetic interaction parameter varied from zero to slightly over one. The jet was strongly turbulent under all conditions investigated. The radial distribution of the mean and fluctuating component of the meridional velocity was measured at four axial stations located between 2 and 34 diameters from the nozzle exit. The results indicate that the rate of spreading of the jet is decreased, that the shape of the velocity profile changes and that the turbulent intensity decreases with increasing magnetic field strength. The high frequency components of the fluctuations in the secondary flow seem to be damped more strongly than fluctuations at low frequencies, while the reverse is observed within the core of the jet. (Author).
Nagy magyarok élete
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Budapesti szemle
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Almanach
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Mérés és automatika
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Faringdons - Empire
'Empire', the first of The Faringdons trilogy, brilliantly merges various episodes of history between the summer of 1929 and the end of 1932, alters their course, and weaves into them the story of the fictional Faringdons. The reader is plunged into this most engaging period of British history. Extensive research, meticulous attention to detail, enchanting characters, and a heroic storyline offer continual entertainment and excitement.The central character, the Marquess of Marden, is concerned that Britain is again headed for war. In his search for innovative ways of ensuring that Britain is ready, he gathers about him the brightest in the land.
