Repozytorium IFJ PAN

Przeglądaj według autora "Drozdowicz, Krzysztof"

Przeglądaj według autora "Drozdowicz, Krzysztof"

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  • Angular-energy distributions of neutrons emitted from the Wendelstein stellarator – Monte Carlo simulations 
    Tracz, Grzegorz; Drozdowicz, Krzysztof (Institute of Nuclear Physics Polish Academy of Sciences, 2009)
    Angular-energy distributions of neutron currents expected from the Wendelstein 7-X stellarator have been calculated by means of Monte Carlo methods using a simplified model of the stellarator. The MCNP5 code has been ...
  • Assumptions for the design of a neutron pinhole camera dedicated to the PF-24 device 
    Scholz, Marek; Bielecki, Jakub; Wójcik-Gargula, Anna; Wiącek, Urszula; Drozdowicz, Krzysztof; Igielski, Andrzej; Kulińska, Agnieszka; Tracz, Grzegorz; Woźnicka, Urszula (Institute of Nuclear Physics Polish Academy of Sciences, 2014)
    The report presents main assumptions on the design of the neutron pinhole camera dedicated to the PF-24 (Plasma Focus) device. The pinhole camera will be used for the investigation of the spatial and temporal distributions ...
  • Budowa modeli geochemiczno-mineralogicznych na podstawie danych uzyskiwanych z zaawansowanych metod geofizyki jądrowej. Część 1 
    Woźnicka, Urszula; Cywicka-Jakiel, Teresa; Drabina, Andrzej; Dworak, Dominik; Tracz, Grzegorz; Drozdowicz, Krzysztof; Zorski, Tomasz; Ossowski, Andrzej; Środoń, Jan; Kawiak, Tadeusz; Bakowska, Dorota; Zielińska, Małgorzata; Zalewska, Jadwiga (Institute of Nuclear Physics Polish Academy of Sciences, 2007)
    An extensive set of conventional and special core analysis measurements, complemented by additional chemical and mineralogical analyses was performed, forming the basis for the evaluation of the complex thin bedded gas-bearing ...
  • Calculations of the neutron-induced activity in air inside the Cuboid 2 of the High-Resolution Neutron Spectrometer for ITER 
    Wójcik-Gargula, Anna; Tracz, Grzegorz; Scholz, Marek; Drozdowicz, Krzysztof (Institute of Nuclear Physics Polish Academy of Sciences, 2017-01)
    This report presents results of the calculations performed in order to predict the neutron - induced activity in air inside the second Cuboid in the ITER equatorial port cell #1 where the Time of ...
  • Detection of delayed neutrons from neutron activation of fissionable substance samples. Monte Carlo modelling of response of the DET-12 device 
    Tracz, Grzegorz; Bieńkowska, Barbara; Drozdowicz, Krzysztof (Institute of Nuclear Physics Polish Academy of Sciences, 2013)
    Activation of fissionable elements by neutrons has been considered as a possible diagnostics of D-D and D-T fusion plasma. Fission caused by fusion neutrons leads up to emission of secondary neutrons: prompt and delayed. ...
  • Feasibility study of experimental detection of the hydrogen content in rock material by a pulsed neutron method 
    Drozdowicz, Krzysztof; Drabina, Andrzej; Dąbrowska, Joanna; Gabańska, Barbara; Igielski, Andrzej; Janik, Władysław; Krynicka, Ewa; Kurowski, Arkadiusz; Wiącek, Urszula; Woźnicka, Urszula (Institute of Nuclear Physics Polish Academy of Sciences, 2003)
    Theoretical principles of a pulsed neutron method to measure the water or hydrogen content in a rock material have been tested on the experimental set-up at the fast neutron generator in the INP. The time decay constant ...
  • Influence of the water content in rock on the thermal neutron diffusion and diffusion cooling coefficients (by Monte Carlo simulations). II: – Quartz 
    Drozdowicz, Krzysztof; Krynicka, Ewa; Dąbrowska, Joanna (Institute of Nuclear Physics Polish Academy of Sciences, 2003)
    The dependence of the thermal neutron diffusion parameters on the water content w in quartz, SiO2, has been studied by means of Monte Carlo simulations of the pulsed neutron experiments for a number of series of samples. ...
  • Measurements of the effective thermal neutron absorption cross-section in multi-grain model 
    Drozdowicz, Krzysztof; Gabańska, Barbara; Igielski, Andrzej; Krynicka, Ewa; Schneider, Krystyna; Woźnicka, Urszula (Institute of Nuclear Physics Polish Academy of Sciences, 2005)
    The effective macroscopic absorption cross-section Σaeff of thermal neutrons in a grained medium differs from the corresponding cross-section Σahom in the homogeneous medium consisting of the same components, contributing ...
  • Method of interpretation of measurements of delayed neutrons in the DET-12 device 
    Bieńkowska, Barbara; Prokopowicz, Rafał; Drozdowicz, Krzysztof; Woźnicka, Urszula (Institute of Nuclear Physics Polish Academy of Sciences, 2014)
    DET-12 is a device to measure delayed neutrons from fissions in fissionable material samples which were activated in the primary neutron flux from D-T or D-D reactions in hot plasma of big fusion devices (tokamaks, ...
  • Physical assumptions for a design of the DET-12 chamber for detection of delayed neutrons 
    Bieńkowska, Barbara; Drozdowicz, Krzysztof; Gabańska, Barbara; Igielski, Andrzej; Prokopowicz, Rafał; Wiącek, Urszula; Woźnicka, Urszula (Institute of Nuclear Physics Polish Academy of Sciences, 2014)
    Physical assumptions have been outlined to design a new device (DET-12) for measurements of delayed neutron emitted from samples of fissionable materials activated with neutrons at big fusion-plasma devices. The aim is to ...
  • Preliminary study of a target-moderator assembly for a linac-based neutron source 
    Bartalucci, Sergio; Drozdowicz, Krzysztof; Dworak, Dominik; Tracz, Grzegorz; Angelov, Vladimir (Institute of Nuclear Physics Polish Academy of Sciences, 2005)
    The report concerns a design of a future pulsed neutron source at an electron linac. A massive target is irradiated with an electron beam and the neutrons are generated mainly by collisions of the bremsstrahlung photons. ...
  • Principles of a method to use CVD diamond detectors for spectrometric measurements of particles in mixed radiation field emitted by D-D and D-T fusion plasmas 
    Drozdowicz, Krzysztof; Dankowski, Jan; Igielski, Andrzej; Jaskóła, Marcin; Korman, Andrzej; Kurowski, Arkadiusz; Marczewska, Barbara; Nowak, Tomasz; Wiącek, Urszula; Woźnicka, Urszula; Gabańska, Barbara (Institute of Nuclear Physics Polish Academy of Sciences, 2014)
    Future thermonuclear reactors for needs of power plants will operate with the deuterium-tritium fuel. Neutron, alpha particle, and energy are created in the fusion reaction between these isotopes. Measurement of energy of ...
  • Sensitivity of the Thermal Neutron Time Decay to the Hydrogen Content in a Rock Sample 
    Drozdowicz, Krzysztof; Dąbrowska, Joanna; Gabańska, Barbara; Igielski, Andrzej; Janik, Władysław; Krynicka, Ewa; Kurowski, Arkadiusz; Niedźwiedź, K.; Wiącek, Urszula; Woźnicka, Urszula (Institute of Nuclear Physics Polish Academy of Sciences, 2004)
    A pulsed neutron method to measure the water or hydrogen content in a rock material has been tested on the experimental set-up at the fast neutron generator in the IFJ PAN. A dedicated pulsed thermal neutron source has ...
  • Spectrometric properties of the CVD diamond detector for measurement of the ‘lost alpha particles’ 
    Wodniak, Iwona; Dankowski, Jan; Drozdowicz, Krzysztof; Gabańska, Barbara; Igielski, Andrzej; Kurowski, Arkadiusz; Maczewska, Barbara; Nowak, Tomasz (Institute of Nuclear Physics Polish Academy of Sciences, 2010)
    Measurement of energy of the ‘escaping alpha particles’ from the thermonuclear reaction in the tokamak is important to get information on the energetic balance in future thermonuclear reactors producing electrical energy. ...
  • Technical design and operation tests of the DET-12 device for detection of delayed neutrons 
    Bieńkowska, Barbara; Drozdowicz, Krzysztof; Gabańska, Barbara; Igielski, Andrzej; Janik, Władysław; Kurowski, Arkadiusz; Tracz, Grzegorz; Wiącek, Urszula; Dankowski, Jan (Institute of Nuclear Physics Polish Academy of Sciences, 2014)
    A technical design of the device for detection of delayed neutrons emitted from neutron-activated fissionable material samples has been performed according to physical assumptions which were earlier elaborated. The DET-12 ...
  • Test of the European Transport Solver in the frame of Integrated Tokamak Modelling 
    Twaróg, Dariusz; Stankiewicz, Roman; Drozdowicz, Krzysztof (Institute of Nuclear Physics Polish Academy of Sciences, 2011)
    The European Transport Solver (ETS) is developed in the frame of Project 3 of EFDA Integrated Tokamak Modeling Task Force. Several numerical methods are implemented in the ETS. This paper presents a method of verification ...
  • The SOF detectors in pulsed neutron measurements 
    Igielski, Andrzej; Gabańska, Barbara; Drozdowicz, Krzysztof; Janik, Władysław; Kurowski, Arkadiusz (Institute of Nuclear Physics Polish Academy of Sciences, 2009)
    The time decay of the pulsed thermal neutron flux has been measured with quasi-point SOF detectors (scintillator with the optical fiber). The detectors have been placed at three positions in a 12 cm cube of polyethylene. ...