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21 244 (0,179s)

Result

CALCULATION OF RADIATION TRANSFER IN SF6 ARC PLASMAS USING THE P1-APPROXIMATION

The objective of this paper consists of approximate calculations of radiative heat transfer in SF6 arc plasmas at the plasma temperatures in the range of 1000 ? 35 000 K and pressures from 0.5 to 5 MPa. As a mathematical tool for the radiati...

BL - Fyzika plasmatu a výboje v plynech

  • 2012
  • D
Result

2D computations of 3D synthetic seismograms using the ray-based Born approximation in heterogenous model P1

The accuracy of the ray-based Born approximation of the first order is tested in a smooth 2D heterogenous background model P1. Only P waves are considered. 3D synthetic seismograms are numerically calculated by the Born approxim...

DC - Seismologie, vulkanologie a struktura Země

  • 2011
  • O
Result

MODELLING OF RADIATIVE TRANSFER IN AIR ARC PLASMA

using the P1- and SP3-approximations, calculated radiative source term in the energyThe objective of this work is to compare the accuracy of several approximate models of radiative properties for the prediction of radiativ...

Fluids and plasma physics (including surface physics)

  • 2017
  • JSC
  • Link
Result

Radiation Heat Transfer in Thermal Argon Plasma with Iron Vapor

The objective of this paper consists of approximate calculations of thermal radiation heat transfer in argon arc plasma with admixtures of iron vapors. As a mathematical tool, the P1-approximation has been used. To simplify...

BL - Fyzika plasmatu a výboje v plynech

  • 2014
  • Jx
  • Link
Result

Influence of metal vapours on radiation characteristics of air arc plasmas

temperature profile, the equation of radiation transfer was solved in the P1 approximation...

Fluids and plasma physics (including surface physics)

  • 2020
  • Jost
  • Link
Result

Numerical simulation of flow problem using finite element method with crossgrid elements

In this paper we consider fluid-structure interaction and focus on numerical approximation of flow problem by finite element method using so called P1-crossgrid/P1 element. The numerical discretization is described and the ...

BA - Obecná matematika

  • 2013
  • D
Result

Radiative Heat Transfer in Models of DC Arc Plasma

way. This is realized by the P1 method for solving the equation of radiative transfer and the multi-band approximation that considers the division of the emitted results in the arc core close to that using the P1 method. T...

Fluids and plasma physics (including surface physics)

  • 2023
  • JSC
  • Link
Result

Approximate Description of Radiation Transfer in SF6 and PTFE Arc Plasmas

The objective of the paper consists of the approximate description of radiation transfer in electric arc plasma. The first order of the method of spherical harmonics (P1-approximation) has been used as the way to solve the ...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2014
  • D
Result

Multigroup Approximation of Radiation Transfer in SF6 Arc Plasmas

The first order of the method of spherical harmonics (P1-approximation) has been used to evaluate the radiation properties of arc plasmas of various mixtures of SF6 and PTFE ((C2F4)n, polytetrafluoroethylene) in the temperature rang...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2013
  • Jx
Result

APPROXIMATE DESCRIPTION OF RADIATION TRANSFER IN THE ARC PLASMAS OF SF6 AND PTFE MIXTURES

The objective of the paper consists of the approximate description of radiation transfer in electric arc plasma. The first order of the method of spherical harmonics (P1-approximation) has been used as the way to solve the ...

BL - Fyzika plasmatu a výboje v plynech

  • 2012
  • D
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