Temat: plasma temperature - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Influence of dense deuterium plasma pulses on materials in Plasma Focus device
Autorzy:: Ivanov, L.
Pimenov, V.
Maslyaev, S.
Dyomina, E.
Gribkov, V.
Mezzetti, F.
DeChiara, P.
Powiązania:: https://bibliotekanauki.pl/articles/146708.pdf
Data publikacji:: 2000
Wydawca:: Instytut Chemii i Techniki Jądrowej
Tematy:: high-temperature plasma
material science
plasma focus
Opis:: Experiments on the influence of high-temperature plasma nanosecond pulse radiation, as generated in plasma focus device, on the W-Cu pseudoalloy, V-35at%Ti alloy, austenitic chromium-manganese 10Cr12Mn20W and 25Cr12Mn20W steels have been carried out. Features of damages, phase-structural transformations and chemical content changes in those materials under such irradiation were investigated.
Źródło:: Nukleonika; 2000, 45, 3; 203-207
0029-5922
1508-5791
Pojawia się w:: Nukleonika
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Three-channel X-ray detection head for diagnostics of plasma in noisy environment
Autorzy:: Ryć, L.
Kaczmarczyk, J.
Martinez, J. F.
Scholz, M.
Słysz, M.
Powiązania:: https://bibliotekanauki.pl/articles/148717.pdf
Data publikacji:: 2001
Wydawca:: Instytut Chemii i Techniki Jądrowej
Tematy:: high-temperature plasma
semiconductor detector
X-ray diagnostics
Opis:: A compact, three-channel, noise-resistant detection head based on semiconductor detectors has been built for the diagnostics of X-ray emission from plasmas. It is useful in the energy range of 0.5–20 keV.
Źródło:: Nukleonika; 2001, 46, suppl. 1; 95-97
0029-5922
1508-5791
Pojawia się w:: Nukleonika
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Time-integrated diagnostics of X-ray emission from PALS and PF 1000 : preliminary results
Autorzy:: Ryć, L.
Krása, J.
Juha, L.
Kaczmarczyk, J.
Paduch, M.
Parys, P.
Tomaszewski, K.
Scholz, M.
Powiązania:: https://bibliotekanauki.pl/articles/148024.pdf
Data publikacji:: 2001
Wydawca:: Instytut Chemii i Techniki Jądrowej
Tematy:: high-temperature plasma
semiconductor detector
thermoluminescent detector
X-ray diagnostics
Opis:: Thermoluminescent and semiconductor detectors operating in an integrating mode have been applied to the measurement of X-ray flashes of high intensity from large plasma facilities. A detection head of special kind has been developed to perform comparison measurements with the use of the detectors of both kinds.
Źródło:: Nukleonika; 2001, 46, suppl. 1; 41-43
0029-5922
1508-5791
Pojawia się w:: Nukleonika
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: CVD diamond detectors for fast alpha particles escaping from the tokamak D-T plasma
Autorzy:: Wodniak, I.
Drozdowicz, K.
Dankowski, J.
Gabańska, B.
Igielski, A.
Kurowski, A.
Marczewska, B.
Nowak, T.
Woźnicka, U.
Powiązania:: https://bibliotekanauki.pl/articles/146634.pdf
Data publikacji:: 2011
Wydawca:: Instytut Chemii i Techniki Jądrowej
Tematy:: CVD diamond detector
lost alpha particles
high temperature plasma diagnostics
Opis:: Measurements of the so-called lost alpha particles escaping from thermonuclear plasma in future tokamaks (such as ITER) for energy production would be essential for monitoring the energy balance in these devices. The detection would have to be carried out in a harsh environment (with high nuclear radiation fluxes, high temperature, etc.), which limits the use of common semiconductors for charged particle detection. Diamond seems to be an attractive material for alpha particle detectors in these conditions. In this paper an analysis of properties of a diamond detector for spectrometric alpha measurements is reported. A high purity CVD (chemical vapour deposition) single crystal diamond detector was used, fabricated for this dedicated application by the Diamond Detector Ltd. The energy calibration was carried out using a triple alpha particle isotope source, AMR33 (239Pu, 241Am, 244Cm). A very good energy resolution, ca. 20 keV at ca. 5.5 MeV had been obtained, which is comparable to that of the silicon detector. The linearity of the diamond detector amplitude response to the alpha particle energy was analyzed with the use of mono-energetic (0.4–2 MeV) ion beam from a Van de Graaff accelerator. Results of the measurements using the AMR33 source deviate at most 30 keV from the calibration line obtained in this way.
Źródło:: Nukleonika; 2011, 56, 2; 143-147
0029-5922
1508-5791
Pojawia się w:: Nukleonika
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Structure and local parameters of self-compressed plasma streams in external magnetic field
Autorzy:: Volkova, Yuliia
Solyakov, Dmytro
Marchenko, Anna
Chebotarev, Volodymyr
Garkusha, Igor
Makhlai, Vadym
Ladygina, Maryna
Tetyana, Merenkova
Yeliseyev, Dmytro
Petrov, Yurii
Staltsov, Valerii
Powiązania:: https://bibliotekanauki.pl/articles/2202565.pdf
Data publikacji:: 2023
Wydawca:: Instytut Chemii i Techniki Jądrowej
Tematy:: current sheet
electric probe
electron temperature
drift velocity
pinching discharge
plasma accelerators
Opis:: The influence of the external axial magnetic field on pinching plasma flows generated by a magnetoplasma compressor (MPC) has been studied using magnetic and electric probes. In the presence of an external magnetic field, temperature measurements show two groups of electrons with different temperatures near the plasma stream core. The external magnetic field leads to a noticeable increase in the electric current in the plasma stream, electron temperature, and the formation of the current-sheet-like structure observed in the MPC for the first time.
Źródło:: Nukleonika; 2023, 68, 1; 3--9
0029-5922
1508-5791
Pojawia się w:: Nukleonika
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Calculation of edge ion temperature and poloidal rotation velocity from carbon III triplet measurements on the COMPASS tokamak
Autorzy:: Tomeš, M.
Weinzettl, V.
Pereira, T.
Imríšek, M.
Seidl, J.
Powiązania:: https://bibliotekanauki.pl/articles/148182.pdf
Data publikacji:: 2016
Wydawca:: Instytut Chemii i Techniki Jądrowej
Tematy:: high-resolution spectroscopy
spectra processing
peak detection
line detection
line fitting
poloidal plasma rotation
ion temperature
Opis:: A high-resolution spectroscopic system for the measurements of the CIII triplet at 465 nm was installed at the COMPASS tokamak. The Doppler broadening and shift of the measured spectral lines are used to calculate the edge ion temperature and poloidal plasma rotation. At first, the spectroscopic system based on two-grating spectrometer and the calibration procedure is described. The signal processing including detection and removal of spiky features in the signal caused by hard X-rays based on the difference in the behaviour of Savitzky-Golay and median filters is explained. The detection and position estimation of individual spectral lines based on the continuous wavelet transform is shown. The method of fitting of Gaussians using the orthogonal distance regression and estimation of the error of estimation of the rotation velocity and ion temperature is described. At the end, conclusions about the performance of the spectroscopic system and its shortcomings based on summary of results calculated from 2033 processed spectral lines measured in 61 shots are drawn and the possible enhancements are suggested.
Źródło:: Nukleonika; 2016, 61, 4; 443-451
0029-5922
1508-5791
Pojawia się w:: Nukleonika
Dostawca treści:: Biblioteka Nauki

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