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Wyszukujesz frazę "optical recording" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
X-ray and Visual Investigations on the Combustion Process of Curved, Low-gas, Pyrotechnic Paths Used in Self-destruction Assemblies of Missile Fusing Systems
Autorzy:
Miszczak, Maciej
Warchoł, Radosław
Nita, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/358330.pdf
Data publikacji:
2019
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
combustion
military ammunition
pyrotechnic curved paths
optical recording
Opis:
The validation of the consistency of combustion front propagation along confined, low-gas, curved, pyrotechnic paths pressed into the grooves of the disc bodies of artillery and rocket ammunition fusing systems, is of critical importance as it concerns the functional reliability and safe usage of such types of ammunition. To validate the above consistency, Real Time X-ray Radioscopy (RTR) was utilized for the recording of the combustion process of curved pyrotechnic paths comprising two delay time segments. To confirm the observations obtained by the RTR technique, visual (VIS) recording was utilized for the unconfined pyrotechnic path. Due to the RTR and VIS techniques, evolution of the combustion process was recorded as a combustion front travelling along the pyrotechnic path. The combustion front had a convex shape. Using the VIS technique, a conical, bright tail was also observed behind the combustion front. The mean velocity of the propagation of the combustion front along each delay segment of the confined pyrotechnic path was determined on the basis of the RTR recordings. Using the RTR and VIS techniques, it was possible to quasi-continuously detect and record the combustion front movement along the confined and unconfined pyrotechnic paths, respectively. The VIS observations confirmed the RTR recording of the convex shape of the combustion front. In addition, the VIS technique allowed us to record the bright, conical tail.
Źródło:
Central European Journal of Energetic Materials; 2019, 16, 4; 596-606
1733-7178
Pojawia się w:
Central European Journal of Energetic Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Towards uniformity of rotational events recording : initial data from common test engaging more than 40 sensors including a wide number of fiber-optic rotational seismometers
Autorzy:
Kurzych, Anna
Jaroszewicz, Leszek R.
Dudek, Michał
Sakowicz, Bartosz
Kowalski, Jerzy
Powiązania:
https://bibliotekanauki.pl/articles/1818206.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Elektryków Polskich
Tematy:
seismometer
optical fiber interferometer
recording
rotational seismology
Opis:
Rotational seismology is one of the fastest developing fields of science nowadays with strongly recognized significance. Capability of monitoring rotational ground motions represents a crucial aspect of improving civil safety and efficiency of seismological data gathering. The correct sensing network selection is very important for reliable data acquisition. This paper presents initial data obtained during the international research study which has involved more than 40 various rotational sensors collected in one place. The key novelty of this experiment was the possibility to compare data gathered by completely different rotational sensors during artificially generated ground vibrations. Authors collected data by four interferometric optical fiber sensors, Fiber-Optic System for Rotational Events & Phenomena Monitoring (FOSREM), which are mobile rotational seismographs with a wide measuring range from 10⁻⁷ rad/s up to even few rad/s, sensitive only to the rotational component of the ground movement. Presented experimental results show that FOSREMs are competitive in rotational events recording compared with the state-of-the-art rotational sensors but their operation still should be improved.
Źródło:
Opto-Electronics Review; 2021, 29, 1; 39--44
1230-3402
Pojawia się w:
Opto-Electronics Review
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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