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A double-crystal monochromator for neutron stress diffractometry
Springer Science and Business Media LLC - Tập 60 - Trang 526-532 - 2017
V. T. Em, A. M. Balagurov, V. P. Glazkov, I. D. Karpov, P. Mikula, N. F. Miron, V. A. Somenkov, V. V. Sumin, J. Šaroun, M. N. Shushunov
The problem of developing a dedicated neutron diffractometer for placement on a horizontal reactor channel to measure internal stresses in bulk materials and components under conditions of a limited space is considered. It is shown that the use of a double-crystal monochromator composed of pyrolytic graphite and a focusing bent perfect silicon single crystal is the optimal solution to this problem...... hiện toàn bộ
Luminescent methods for investigating surface gas flows (Review)
Springer Science and Business Media LLC - Tập 52 - Trang 1-12 - 2009
V. E. Mosharov
Methods for measuring pressure and temperatures fields and visualizing the surface stream lines and shear friction stress are considered. The methods are based on the deposition of special luminescent coating (minitufts, oils, and paints) on the studied surface.
Investigation of Reverse Switch-On Dynistors Upgraded for Reducing the Energy Loss when Switching Reverse-Current Pulses
Springer Science and Business Media LLC - Tập 61 Số 3 - Trang 359-363 - 2018
S. V. Korotkov, A. A. Khapugin, V. A. Martynenko, V. V. Eliseev, A. L. Zhmodikov, Alexander Kozlov
The RED-100 two-phase emission detector
Springer Science and Business Media LLC - Tập 60 - Trang 175-181 - 2017
D. Yu. Akimov, I. S. Aleksandrov, V. A. Belov, A. I. Bolozdynya, A. A. Burenkov, K. F. Vlasik, Yu. V. Gusakov, V. V. Dmitrenko, A. G. Dolgolenko, Yu. V. Efremenko, V. A. Kaplin, A. G. Kovalenko, E. S. Kozlova, A. M. Konovalov, T. D. Krakhmalova, A. V. Kumpan, Yu. A. Melikyan, P. P. Naumov, D. G. Rudik, I. S. Saldikov, V. V. Sosnovtsev, G. V. Tikhomirov, A. A. Tobolkin, I. A. Tolstukhin, A. V. Khromov, Z. M. Uteshev, A. V. Shakirov, R. R. Shafigullin, A. V. Etenko
The RED-100 experimental setup, which is designed to detect elastic coherent neutrino scattering off xenon nuclei, is described. One specific feature of this setup is the possibility of using it in above ground experiments. The setup is based on the RED-100 two-phase emission detector in which liquid xenon is used as a working medium for detection of rare events. The results of the technical run w...... hiện toàn bộ
A low-voltage ionization chamber for the ITER
Springer Science and Business Media LLC - Tập 52 - Trang 260-264 - 2009
Yu. V. Gott, M. M. Stepanenko
An ionization chamber with an operating supply voltage of 10 V has been designed for use at the ITER. The sensitivity of the chamber filled with air at atmospheric pressure is 100–200 times higher than the sensitivity of the chamber pumped down to a pressure of 10−3–10−4 Torr. It is shown that application of the supply voltage modulation technique allows the pickup noise to be substantially reduce...... hiện toàn bộ
Switches of High-power Current Pulses with a Submicrosecond Rise Time on the Basis of Series-connected IGBT Transistors
Springer Science and Business Media LLC - Tập 61 - Trang 38-43 - 2018
S. V. Korotkov, Yu. V. Aristov, A. L. Zhmodikov, A. K. Kozlov, D. A. Korotkov
The results of comparative investigations of assemblies of series-connected IGBT transistors (IRGPS60B120KD) with control circuits that are based on pulse transformers and ADuM21N microcircuits, which have a high insulation strength, are presented. The conditions for efficient switching of high-power current pulses with a submicrosecond rise time are determined. A small switch with an operating vo...... hiện toàn bộ
A test generator of single square-wave voltage pulses
Springer Science and Business Media LLC - Tập 60 - Trang 538-540 - 2017
M. M. Mikhailov, A. N. Lapin, V. I. Manylov, E. E. Mananko, V. N. Permyakov, A. N. Puchkov, E. G. Tikhonov
A generator of single square-wave voltage pulses (SSPs) of 5-kV amplitude and the length from 100 ns to 10 μs is described. This generator is intended for testing pulse electrical strength of devices and electronic components of various purposes. SSP is apllied across an investigated object using five forming lines with an impedance of 50 Ω and three switches: a mercury reed relay, IGBT transistor...... hiện toàn bộ
An Experimental Setup for Production of Polarized H2 and D2 Molecules
Springer Science and Business Media LLC - Tập 62 - Trang 56-61 - 2019
D. K. Toporkov, S. A. Zevakov, D. M. Nikolenko, I. A. Rachek, Yu. V. Shestakov, A. V. Yurchenko
The setup is designed to produce spin-polarized hydrogen and deuterium molecules. Superconducting sextupole magnets with a magnetic induction of 3.4 T near the poles and a field gradient of 320 T/m were used for the spatial separation of molecules with different magnetic moments by spin filtration in an inhomogeneous magnetic field. The choice of the location of the polarized-molecule source eleme...... hiện toàn bộ
A study of the characteristics of nuclear photographic materials used in activation autoradiography
Springer Science and Business Media LLC - Tập 49 - Trang 703-708 - 2006
Win Myo Tkhun, V. M. Minaev, V. T. Samosadnyi
The characteristics of nuclear photographic materials (MP and Kodak BioMax MR Film photographic films and MP photographic plates) were investigated. The dependence of their optical density on the β-particle fluence, their sensitivities versus the β-particle energy, and the relative error in measuring the average and local β-particle fluences were determined. It was shown that, though the MP-type d...... hiện toàn bộ
A control system of the Proton Radiographic Complex at the U-70
Springer Science and Business Media LLC - Tập 58 - Trang 617-622 - 2015
S. A. Atroshchenko, L. I. Kopylov, A. A. Matyushin, S. E. Merker, M. S. Mikheev
The Proton Radiographic Complex, a new facility for applied research, has been developed on the basis of the beam transfer line at the Institute for High Energy Physics (IHEP). A control system has been designed to control the facility. The engineering solutions, their implementation, and the operating experience are described.
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