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Železniční cestovatel Eduard Bazika aneb Cestování s manželkou
Hlavačka, Milan
2024 - Czech Ing. Eduard Bazika (1830–1914) nebyl profesionální poutník, ale poutník z profese. Jako absolvent pražské polytechniky se celý život specializoval na železniční stavitelství a jako inženýr nejdříve státních drah a od roku 1855 až do odchodu na odpočinek v roce 1891 soukromé Společnosti státní dráhy (StEG) celý život procestoval, respektive před výstavbou prochodil svěřené železnice v české a moravské krajině. I po odchodu na penzi pracoval pro Zemský výbor Království českého a jeho Železniční výbor a v této pozici opět pracovně putoval po všech koutech Čech, aby posuzoval rentabilitu budoucích místních drah. Jeho zvláštností bylo, že se vždy snažil skloubit své cestovní povinnosti s rodinným životem, což mělo za následek, že jeho žena a děti putovaly s ním po nejrůznějších štacích a železničních stavbách. Stranou neponechával ani dlouhodobější náročnější soukromé cesty s manželkou na světové výstavy a po historických památkách Itálie (v doprovodu Jiřího Stibrala) či k obhlídce nově dokončených alpských železnicích. Jako představitel sebevědomé české střední třídy, která už disponovala volným časem a finančními prostředky (a samozřejmě režijní jízdenkou) dovedl skloubit cestovatelskou povinnost s cestovatelskou vášní a putování vnímal jako nezbytnou součást aktivního životního stylu moderního člověka. Ing. Eduard Bazika (1830–1914) was not a professional pilgrim, but a pilgrim by profession. As a graduate of the Prague Polytechnic, he specialized in railway construction all his life and as an engineer, first of all for the State railways, and from 1855 until his retirement in 1891, he traveled all his life for the private State Railway Company (StEG), or rather, before construction, he traveled the entrusted railways in the Bohemian and Moravian landscape. Even after retiring, he worked for the Land Committee of the Kingdom of Bohemia and its Railway Committee, and in this position he once again traveled to all corners of Bohemia to assess the profitability of future local railways. A peculiarity of his was that he always tried to combine his traveling duties with his family life, which resulted in his wife and children traveling with him to various estates and railway constructions. He did not leave aside longer, more demanding private trips with his wife to world exhibitions and historical monuments in Italy (accompanied by Jiří Stibral) or to inspect the newly completed Alpine railways. As a representative of the self-confident Czech middle class, who already had free time and financial resources (and, of course, an overhead ticket), he was able to combine the obligation to travel with a passion for travel and perceived traveling as a necessary part of the active lifestyle of a modern person. Keywords: Ing Eduard Bazika; pilgrim by profession; railway Available at various institutes of the ASCR Železniční cestovatel Eduard Bazika aneb Cestování s manželkou

Ing. Eduard Bazika (1830–1914) nebyl profesionální poutník, ale poutník z profese. Jako absolvent pražské polytechniky se celý život specializoval na železniční stavitelství a jako inženýr nejdříve ...

Hlavačka, Milan
Historický ústav, 2024

Modification of cooling system for laboratory measurement of rotor blade vibration
Maturkanič, Dušan; Procházka, Pavel; Hodboď, Robert; Voronova, Evgeniya; Mekhalfia, Mohammed Lamine
2024 - English Last year, the replacement of the turbine wheel model was completed in the Laboratory of Rotational Laser Vibrometry of the Institute of Thermomechanics AS CR, v.v.i. Based on previous experience and the expected higher operating load planned for the new wheel, the cooling system was modified at the same time. The paper describes the main effort in this direction and the results that clarify the previous damage of the measuring device. Keywords: blade; vibration; cooling system; measurement; laboratory Available at various institutes of the ASCR Modification of cooling system for laboratory measurement of rotor blade vibration

Last year, the replacement of the turbine wheel model was completed in the Laboratory of Rotational Laser Vibrometry of the Institute of Thermomechanics AS CR, v.v.i. Based on previous experience and ...

Maturkanič, Dušan; Procházka, Pavel; Hodboď, Robert; Voronova, Evgeniya; Mekhalfia, Mohammed Lamine
Ústav termomechaniky, 2024

PROPERTIES OF NANOCRYSTALLINE FE-NI PARTICLES PREPARED BY THERMAL REDUCTION OF OXALATE PRECURSORS
Švábenská, Eva; Roupcová, Pavla; Havlíček, Lubomír; Schneeweiss, Oldřich
2024 - English Recent technological advancements require development of cost-effective and high-performance magnets \nwhich ideally do not contain rare earth metals or noble metals. The promising candidates are Fe-Ni-based \nalloys, in particular, the Fe50Ni50 L10 phase (tetrataenite), which has a great perspective for producing hard \nmagnetic materials. Our study explores a promising method for preparing nanoparticles of Fe-Ni alloy from an \niron-nickel oxalate precursor. The coprecipitation method was employed to prepare oxalate precursors, \nfollowed by controlled thermal decomposition in a reducing hydrogen atmosphere. The morphology and \nproperties of the resulting particles were analysed using scanning electron microscopy (SEM) coupled with \nenergy dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), Mössbauer spectroscopy (MS), and \nmagnetic measurements.\nThe SEM analysis revealed that the particles have approximately cube-shaped unit cell morphology with a\nsize in a range of 1 - 2 μm. Upon annealing, the samples contain multiple phases with varying Fe-Ni content.\nMagnetic measurements confirmed the formation of magnetically suitable Fe-Ni phases in the samples after \nannealing. Mössbauer spectroscopy emerged as a highly effective method for characterizing individual phases \nof the Fe-Ni system. Keywords: Magnetic materials; thermal decomposition; Mössbauer spectroscopy Available at various institutes of the ASCR PROPERTIES OF NANOCRYSTALLINE FE-NI PARTICLES PREPARED BY THERMAL REDUCTION OF OXALATE PRECURSORS

Recent technological advancements require development of cost-effective and high-performance magnets \nwhich ideally do not contain rare earth metals or noble metals. The promising candidates are ...

Švábenská, Eva; Roupcová, Pavla; Havlíček, Lubomír; Schneeweiss, Oldřich
Ústav fyziky materiálů, 2024