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Wyszukujesz frazę "Sebők, Dániel" wg kryterium: Autor


Wyświetlanie 1-4 z 4
Tytuł:
Methodological add-ons to a non-destructive, micro-CT-based taxonomic/morphometric analysis of characean remains
Autorzy:
Benyó-Korcsmáros, Réka
Gulyás, Sándor
Sebők, Dániel
Benyó, Dániel
Cseh, Péter
Sümegi, Pál
Powiązania:
https://bibliotekanauki.pl/articles/24201075.pdf
Data publikacji:
2023
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
characeae
computer tomography
gyrogonite
tomografia komputerowa
gyrogonit
Opis:
Ever since its introduction, computed tomography has come a long way. No longer is it merely a method that is used in clinical diagnostics, but it is becoming more and more popular among palaeontologists because it can be used to analyse both external and internal structures of fossil remains, such as small insects, snail shells and plant remains. The present study describes non-destructive analyses of Late Cretaceous and early Holocene charophyte gyrogonites by using the micro-CT technique, from sample preparation (embedding, fixing) to visualisation and assessment of images obtained. In addition to this non-destructive examination, we wished to test whether or not computed tomography could be used to examine the gyrogonites. Our preliminary results have made it clear that the micro-CT technique is worth employing for further research. It has proved possible to visualise the samples in 3D, rotate them, and observe them from different directions. By using the appropriate parameters, we have also been able to observe density differences between parts of characean remains and to study several important defining features of these.
Źródło:
Geologos; 2023, 29, 2; 69--75
1426-8981
2080-6574
Pojawia się w:
Geologos
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal and electrical analysis of automotive ignition system
Autorzy:
Sebok, Milan
Kucera, Matej
Gutten, Miroslav
Korenciak, Daniel
Powiązania:
https://bibliotekanauki.pl/articles/263092.pdf
Data publikacji:
2019
Wydawca:
Sieć Badawcza Łukasiewicz. Przemysłowy Instytut Motoryzacji
Tematy:
thermovision
ignition systems
spark plug
high-voltage waveforms
Opis:
This article describes evaluation principles of individual parts of the ignition system, using conventional diagnostic systems, based on evaluation of current and voltage waveforms. By means of the practical test, diagnostics, measurements and subsequent analysis it was proved that thermovision plays an important role in diagnostics in on-line check automotive equipment. By comparing the non-standard warming behaviour of a part of the electrical system with combination with time highvoltage method, it is possible to diagnose a fault and also check the operating mode of the system. Sample thermogram of the temperature distribution of the ignition coils and analysis of high-voltage ignition curves with faulty spark plugs is given in the part of the paper of nondestructive diagnostics with a difference in temperature. Analysing the fault condition of ignition systems, using the method conventional diagnosis of high-voltage pulse waveforms and also the method of thermovision diagnostics, we can adequately evaluate the functionality of the electronic system and its individual components. In some cases, with one coil ignition systems, we cannot use the conventional method and therefore it is preferable to proceed to the analysis of temperature fields.
Źródło:
Archiwum Motoryzacji; 2019, 83, 1; 113-121
1234-754X
2084-476X
Pojawia się w:
Archiwum Motoryzacji
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal diagnostic systems and their application for analysis of transformer winding
Autorzy:
Sebok, Milan
Kucera, Matej
Korenciak, Daniel
Gutten, Miroslav
Powiązania:
https://bibliotekanauki.pl/articles/328684.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Tematy:
thermovision
emissivity
radiation
temperature
diagnostics
transformer
termowizja
emisyjność
promieniowanie
temperatura
diagnostyka
transformator
Opis:
This paper is focused application of chosen thermal non-contact and contact methods for quality diagnostics of the transformer windings. In the first part of the paper it examines basic principles and application of non-contact temperature measurement on power transformers by thermovision. The second part is focused on analysis of thermal processes in distribution transformer. In the finally, it is examined experimental measurement on laboratory transformer with task to detect mechanical strength and subsequently short-circuit resistance of its winding. By means of the experimental measurements and following analysis it was showed the practical thermovision and contact thermal measurement by optical detectors for diagnostics of power oil transformers in field mechanical strength of winding material.
Źródło:
Diagnostyka; 2019, 20, 2; 49-55
1641-6414
2449-5220
Pojawia się w:
Diagnostyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of insulating parameters of oil transformer by time and frequency methods
Autorzy:
Gutten, Miroslav
Kucera, Matej
Brncal, Peter
Sebok, Milan
Korenciak, Daniel
Powiązania:
https://bibliotekanauki.pl/articles/327187.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Tematy:
insulating system
transformer
return voltage measurement
frequency dielectric spectroscopy
system izolacyjny
transformator
metoda spektroskopii częstotliwościowej
Opis:
In the paper is presented experimental analysis and diagnostics of insulating system oil-paper for power transformers. In the first part of the paper is described base theory about measurement and diagnostics insulating part (oil and paper) of transformers. In the other two parts of the paper is presented experimental results of the diagnostic measurement for the transformer 22/0.4 kV at constant temperature. Specifically, in the second part is described measuring time method of insulating diagnostics - return voltage measurement (RVM). This method is used for analysis of condition of paper moisture of high-voltage equipment. In the third part is described measuring method of insulating frequency diagnostics - frequency domain spectroscopy (FDS). This method is used for analysis insulating condition of high-voltage equipment with insulating oil-paper. The both measuring methods are unique in terms of analysis of insulating system of oil power transformers. In comparison with other methods, the RVM and FDS methods it is possible comparison and evaluate the moisture state of the dielectric paper of the power transformer with high reliability and accurate. Their reliability in determining moisture in paper was shown by determining the same result (3.5%) on the same measured transformer.
Źródło:
Diagnostyka; 2020, 21, 4; 51-56
1641-6414
2449-5220
Pojawia się w:
Diagnostyka
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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