Informacja

Drogi użytkowniku, aplikacja do prawidłowego działania wymaga obsługi JavaScript. Proszę włącz obsługę JavaScript w Twojej przeglądarce.

English (EN)·Polski (PL)·Yкраїнський (UK)
Przejdź do strony domowej biblioteki Centralna Biblioteka Wojskowa Link otwiera się w nowym oknie Logo biblioteki Prolib Integro - strona głównaCentralna Biblioteka Wojskowa

Wyszukujesz frazę "Vitenko, T." wg kryterium: Autor

  Lista filtrów
Wyrównaj
    Wyświetlanie 1-5 z 5
    Tytuł:
    Erosive impact of vapor-gas phase on the working surface in hydrodynamic type cavitation mode
    Oddziaływania erozyjne parowo-gazowej fazy na powierzchnię elementów maszynowych w hydrodynamicznym stanie kawitacji
    Autorzy:
    Vitenko, T.
    Droździel, P.
    Horodyskyi, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/327740.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    cavitation
    Venturi tube
    erosion
    kawitacja
    zwężka Venturiego
    erozja
    Opis:
    In this article is analyzed the possible mechanism of cavitation bubbles erosive impact on the working surfaces of equipment. The volume and the size of vapor-gas phase generated in hydrodynamic type mode was theoretically determined and experimentally verified. Here are presented the results of studies of cavitation-erosion resistance of food steel, in particular, that the process of destruction has cyclical pattern.
    W artykule przedstawiono oddziaływanie erozji na powierzchnię elementów maszynowych powstałej pod wpływem pęcherzyków kawitacyjnych. Ilość oraz wielkość fazy gazowej w stanie hydrodynamicznym została teoretycznie obliczona oraz doświadczalnie zweryfikowana. Artykuł prezentuje wyniki badań odporności na erozję kawitacyjną stali stosowanej przy produkcji żywności, że szczególnym uwzględnieniem cyklicznego procesu jej destrukcji.
    Źródło:
    Diagnostyka; 2016, 17, 1; 3-8
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simulation of components mixing in order to determine rational parameters of working bodies
    Autorzy:
    Stadnyk, I.
    Vitenko, T.
    Droździel, P.
    Derkach, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/102818.pdf
    Data publikacji:
    2016
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    working body
    non-Newtonian fluid
    mixing
    kneading
    interpolation model
    Opis:
    One of important things in the production of vitally foods is bakery industry. The quality of baked goods can be achieved by improving the quality of dough kneading. In order to achieve this goal a new structure of the working body and methods of mathematical and computer modelling are offered, aimed to determine the working body design factors and visualize the process. Mathematical models of the dependency of dough viscosity from working body structural features and the frequency of its rotation are made. The obtained models are used to determine rational values of controlled parameters. It has been found that for wheat dough mixing the use of equipment with pin working bodies is more preferable. One of them – the main one – is larger in diameter, and two others – supporting ones – are smaller, able to ensure effective implementation of first and second stages of components mixing. The necessity of changing rotation direction of working bodies is substantiated. At the initial stage of mixing it is necessary to ensure larger diameter pin heating and at the stage of plasticization – vice versa – smaller diameter pins heating.
    Źródło:
    Advances in Science and Technology. Research Journal; 2016, 10, 31; 130-138
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of selected technological and material parameters on the strength of adhesive steel sheets joints
    Autorzy:
    Rudawska, A.
    Głogowska, K.
    Vitenko, T.
    Stančeková, D.
    Čuboňová, N.
    Kasperek, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/103104.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    adhesive joints
    steel sheets
    corrosion
    ageing
    strength
    surface treatment
    Opis:
    The following paper analyses selected problems regarding the impact of technological parameters and the type of adherend material on the strength of adhesive-bonded steel sheet joints. The subject of the test was a single-lap adhesive joint of S235JR steel sheet. Joints were formed on two types of substrates: with or without corrosion products on the surface. The surface of steel sheet adherends was pre-treated with three cleaning solutions: acetone, Wiko industrial degreasing agent and Cortanin F anti-corrosion agent, depending on the state of the surface. Adhesive joints were formed with Epidian 53/ET/100:15 epoxy adhesive. The formed joints were subjected to one of three ageing variants: 14 days, two months and 3 months, which were followed by destructive testing to determine the shear strength of joints. The analysis of results obtained in the tests indicates that the strength performance of adhesive joints of corrosion-free adherends was characterised by higher values than in corroded steel sheets, regardless of ageing time.
    Źródło:
    Advances in Science and Technology. Research Journal; 2017, 11, 2; 8-16
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prediction of transport vehicles’ durability with consideration of corrosive surface cracks propagation in structural elements
    Autorzy:
    Droździel, P.
    Popovych, P.
    Vitenko, T.
    Shevchuk, O.
    Zolotyi, R.
    Kononchuk, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/198683.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    structure element
    surface cracks
    kinetic diagrams
    crack propagation
    corrosive-fatigue crack
    durability of vehicle
    element konstrukcji
    pęknięcia powierzchni
    diagram kinetyczny
    propagacja pęknięć
    pęknięcia korozyjno-zmęczeniowe
    obciążenie pojazdu
    Opis:
    Support frameworks of transport vehicles operate under varying terrain conditions under the influence of extreme climate and corrosive environments. When transporting cargo, dust is deposited on the surface of metal structures. The combination of dust and moisture creates an aggressive environment resulting in intense corrosion damage. The damage is caused by the defects of corrosion pitting, which occur on the surface and transform into corrosion cracks. Based on energy approaches, with the application of well-known results for the mathematical description of electrochemical reactions and the principles of fragile fracture mechanics, an analytical model of durability is proposed for the first time. The model determines the residual life of maximum loaded elements of undercarriages with surface cracks under the action of dynamic loads and corrosive environments. For this case, a set of mathematical relations in the form of a non-linear differential equation was developed, as well as the initial and final conditions for determining the life of vehicles’ structural elements with corrosive surface cracks. The analytical model implementation is proven by solving the problem of determining the residual life of a vehicle’s element, i.e., a steel plate, weakened by a semi-elliptical surface crack, which is under the action of dynamic loads in a 3% sodium chloride solution. The insignificant increase in the crack’s initial size is proven to greatly reduce the period of its subcritical growth. The developed model was applied to define the residual life of thin-walled elements of structures with surface cracks.
    Źródło:
    Zeszyty Naukowe. Transport / Politechnika Śląska; 2018, 101; 47-57
    0209-3324
    2450-1549
    Pojawia się w:
    Zeszyty Naukowe. Transport / Politechnika Śląska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new relict stem salamander from the Early Cretaceous of Yakutia, Siberian Russia
    Autorzy:
    Skutschas, P.P.
    Kolchanov, V.V.
    Averianov, A.O.
    Martin, T.
    Schellhorn, R.
    Kolosov, P.N.
    Vitenko, D.D.
    Powiązania:
    https://bibliotekanauki.pl/articles/22796.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Opis:
    A new stem salamander, Kulgeriherpeton ultimum gen. et sp. nov., is described based on a nearly complete atlas from the Lower Cretaceous (Berriasian–Barremian) Teete vertebrate locality in southwestern Yakutia (Eastern Siberia, Russia). The new taxon is diagnosed by the following unique combination of atlantal characters: the presence of a transversal ridge and a depression on the ventral surface of the posterior portion of the centrum; ossified portions of the intercotylar tubercle represented by dorsal and ventral lips; the absence of a deep depression on the ventral surface of the anterior portion of the centrum; the absence of pronounced ventrolateral ridges; the absence of spinal nerve foramina; the presence of a pitted texture on the ventral and lateral surfaces of the centrum and lateral surfaces neural arch pedicels; the presence of a short neural arch with its anterior border situated far behind the level of the anterior cotyles; moderately dorsoventrally compressed anterior cotyles; and the absence of a deep incisure on the distal-most end of the neural spine. The internal microanatomical organization of the atlas is characterized by the presence of a thick, moderately vascularized cortex and inner cancellous endochondral bone. The recognition of stem salamanders and other vertebrates with Jurassic affinities in the Early Cretaceous high-latitude (paleolatitude estimate N 63–70°) vertebrate assemblage of Teete suggests that: (i) the large territory of present day Siberia was a refugium for Jurassic relicts; (ii) there were no striking differences in the composition of high-latitude Yakutian and mid-latitude Western Siberian Early Cretaceous vertebrate assemblages; and (iii) there was a smooth transition from the Jurassic to Cretaceous biotas in North Asia.
    Źródło:
    Acta Palaeontologica Polonica; 2018, 63, 3
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

      Ta witryna wykorzystuje pliki cookies do przechowywania informacji na Twoim komputerze. Pliki cookies stosujemy w celu świadczenia usług na najwyższym poziomie, w tym w sposób dostosowany do indywidualnych potrzeb. Korzystanie z witryny bez zmiany ustawień dotyczących cookies oznacza, że będą one zamieszczane w Twoim komputerze. W każdym momencie możesz dokonać zmiany ustawień dotyczących cookies