Wyniki wyszukiwania dla: dc corona discharge, ehd flow, flow measurement, pi

• Evolution of electrohydrodynamic flow of sduspended particles in a needle-to-plate negative DC corona discharge in air

  Publikacja

  • J. Mizeraczyk
  • A. Berendt
  • J. Podliński
  • A. Niewulis

  - International Journal of Plasma Environmental Science & Technology - Rok 2016

  Corona discharges are used for collecting dust in electrostatic precipitators (ESPs). The dust collection is mainlyrealized by the electric forces which move the ionized dust particles to the collecting electrodes. However, the presence of coronadischarge in the space between the charging and collecting electrodes in ESPs causes also the so-called ionic wind which set the gasmolecules and dust...

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• EHD Flow Measured by 2D PIV in a Narrow Electrostatic Precipitator with Longitudinally-to-flow Wire Electrode

  Publikacja

  • A. Niewulis
  • J. Podliński
  • J. Mizeraczyk

  - Rok 2011

  In this paper, results of the electrohydrodynamic (EHD) flow patterns in two narrow ESPs with longitudinally-to-flow wire electrode are presented. The influence of the ESP geometry on the EHD flow generated in the ESP was investigated. The results obtained from 2 dimensional (2D) Particle Image Velocimetry (PIV) showed similarities and differences of the particle flow in the wire-plate and wire-cylinder type ESP.

• A System for Cooling Electronic Elements with EHD Coolant Flow

  Publikacja

  • M. Tański
  • M. Kocik
  • R. Barbucha
  • K. Garasz
  • J. Mizeraczyk
  • J. Kraśniewski
  • M. Oleksy
  • A. Hapka
  • W. Janke

  - Journal of Physics : Conference Series - Rok 2014

  A system for cooling electronic components where the liquid coolant flow is forced with ion-drag type EHD micropumps was tested.

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• Uncertainty of the liquid mass flow measurement using the orifice plate

  Publikacja

  • A. Golijanek-Jędrzejczyk
  • D. Świsulski
  • R. Hanus
  • M. Zych
  • L. Petryka

  - FLOW MEASUREMENT AND INSTRUMENTATION - Rok 2018

  The article presents an estimation of measurement uncertainty of a liquid mass flow using the orifice plate. This subject is essential because of the widespread use of this type of flow meters. Not only the quantitative estimation but also the qualitative results of those measurements are important. To achieve these results the authors of the paper propose to use the theory of uncertainty. The article shows the analysis of the...

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• EHD Flow Measured by 2D PIV in a Narrow Electrostatic Precipitator with Longitudinal Wire Electrode

  Publikacja

  • A. Niewulis
  • J. Podliński
  • A. Berendt
  • J. Mizeraczyk

  - Przegląd Elektrotechniczny - Rok 2012

  In this paper, results of the electrohydrodynamic (EHD) flow patterns in two narrow ESPs with longitudinally-to-flow wire electrode arepresented. The influence of the ESP geometry on the EHD flow generated in the ESP was investigated. The results obtained from 2-dimensional(2D) Particle Image Velocimetry (PIV) showed similarities and differences of the particle flow in the wire-plate and wire-cylinder type ESP.

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• Reconstruction of 3D image of corona discharge streamer

  Publikacja

  • M. Kocik
  • M. Tański
  • J. Mizeraczyk
  • R. Ichiki
  • S. Kanazawa
  • J. Dembski

  - Rok 2010

  In this paper, the method of reconstruction of the 3D structure of streamers in DC positive corona discharge in nozzle-to-plate electrode configuration is presented. For reconstructing of 3D image of corona discharge streamer we propose a stereographical method, where streamers are observed from several directions simultaneously. The multi-directional observation enabled to obtain fine positional coordinates of streamers for a...

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• Transactions of the Institute of Fluid-Flow Machinery

  Czasopisma

  ISSN: 0079-3205

• FLOW MEASUREMENT AND INSTRUMENTATION

  Czasopisma

  ISSN: 0955-5986 , eISSN: 1873-6998

• Reactive deposition of TiNx layers in a DC-magnetron discharge

  Publikacja

  • S. Wrehde
  • M. Quaas
  • R. Bogdanowicz
  • S. Hartmut
  • H. Wulff
  • R. Hippler

  - SURFACE AND INTERFACE ANALYSIS - Rok 2008

  TiNx layers have been deposited in 'balanced mode' and 'unbalanced mode' of a reactive DC-magnetron plasma (carrier gas argon, reactive gas nitrogen) under different conditions. Discharge power and reactive gas flow have been varied. The layers have been examined by X-ray photoelectron spectroscopy (XPS), X-ray reflectometry (XR), and spectroscopic ellipsometry (SE). The results of the layer analyses were combined with plasma investigations...

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• Methods of measurement signal acquisition from the rotational flow meter for frequency analysis

  Publikacja

  • D. Świsulski
  • R. Hanus
  • M. Zych
  • L. Petryka

  - EPJ Web of Conferences - Rok 2017

  One of the simplest and commonly used instruments for measuring the flow of homogeneous substances is the rotational flow meter. The main part of such a device is a rotor (vane or screw) rotating at a speed which is the function of the fluid or gas flow rate. A pulse signal with a frequency proportional to the speed of the rotor is obtained at the sensor output. For measurements in dynamic conditions, a variable interval between...

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