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  Subjects -> PHYSICS (Total: 800 journals)
    - ELECTRICITY AND MAGNETISM (9 journals)
    - MECHANICS (21 journals)
    - NUCLEAR PHYSICS (51 journals)
    - OPTICS (86 journals)
    - PHYSICS (576 journals)
    - SOUND (25 journals)
    - THERMODYNAMICS (32 journals)

PHYSICS (576 journals)            First | 1 2 3 | Last

Showing 201 - 400 of 741 Journals sorted alphabetically
International Journal of Mechanics and Materials in Design     Hybrid Journal   (Followers: 6)
International Journal of Medical Physics, Clinical Engineering and Radiation Oncology     Open Access   (Followers: 7)
International Journal of Microstructure and Materials Properties     Hybrid Journal   (Followers: 8)
International Journal of Microwave Science and Technology     Open Access   (Followers: 3)
International Journal of Modeling, Simulation, and Scientific Computing     Hybrid Journal   (Followers: 1)
International Journal of Modern Physics A     Hybrid Journal   (Followers: 14)
International Journal of Modern Physics B     Hybrid Journal   (Followers: 11)
International Journal of Modern Physics C     Hybrid Journal   (Followers: 14)
International Journal of Modern Physics D     Hybrid Journal   (Followers: 12)
International Journal of Modern Physics E     Hybrid Journal   (Followers: 14)
International Journal of Nanomanufacturing     Hybrid Journal  
International Journal of Nanoscience     Hybrid Journal   (Followers: 1)
International Journal of Nanotechnology     Hybrid Journal   (Followers: 7)
International Journal of Non-Linear Mechanics     Hybrid Journal   (Followers: 7)
International Journal of Nonlinear Dynamics and Control     Hybrid Journal  
International Journal of Physical Sciences     Open Access  
International Journal of Physics     Open Access   (Followers: 12)
International Journal of PIXE     Hybrid Journal   (Followers: 1)
International Journal of Plasticity     Hybrid Journal   (Followers: 7)
International Journal of Quantum Information     Hybrid Journal   (Followers: 3)
International Journal of Self-Propagating High-Temperature Synthesis     Hybrid Journal   (Followers: 2)
International Journal of Solids and Structures     Hybrid Journal   (Followers: 14)
International Journal of Surface Science and Engineering     Hybrid Journal   (Followers: 7)
International Journal of Theoretical and Applied Multiscale Mechanics     Hybrid Journal   (Followers: 3)
International Journal of Theoretical and Mathematical Physics     Open Access   (Followers: 12)
International Journal of Theoretical Physics     Hybrid Journal   (Followers: 18)
International Journal of Thermal Sciences     Hybrid Journal   (Followers: 16)
International Letters of Chemistry, Physics and Astronomy     Open Access   (Followers: 12)
International Materials Reviews     Hybrid Journal   (Followers: 14)
Inverse Problems     Hybrid Journal   (Followers: 3)
IOP Conference Series: Materials Science and Engineering     Open Access   (Followers: 8)
Iranian Journal of Medical Physics     Open Access  
Ironmaking & Steelmaking     Hybrid Journal   (Followers: 6)
Izvestiya Atmospheric and Oceanic Physics     Hybrid Journal   (Followers: 3)
Izvestiya, Physics of the Solid Earth     Hybrid Journal   (Followers: 2)
Japanese Journal of Applied Physics     Full-text available via subscription   (Followers: 5)
JETP Letters     Hybrid Journal   (Followers: 4)
Journal of Adhesion Science and Technology     Hybrid Journal   (Followers: 10)
Journal of Advanced Physics     Full-text available via subscription   (Followers: 14)
Journal of Advances in Physics     Open Access   (Followers: 20)
Journal of Applied Mathematics and Mechanics     Full-text available via subscription   (Followers: 7)
Journal of Applied Mathematics and Physics     Open Access   (Followers: 8)
Journal of Applied Mechanics and Technical Physics     Hybrid Journal   (Followers: 7)
Journal of Applied Physics     Hybrid Journal   (Followers: 78)
Journal of Applied Remote Sensing     Hybrid Journal   (Followers: 62)
Journal of Applied Spectroscopy     Hybrid Journal   (Followers: 9)
Journal of Astrophysics and Astronomy     Open Access   (Followers: 41)
Journal of Basic and Applied Physics     Open Access   (Followers: 3)
Journal of Building Physics     Hybrid Journal   (Followers: 1)
Journal of Chromatographic Science     Hybrid Journal   (Followers: 16)
Journal of Complex Networks     Hybrid Journal   (Followers: 1)
Journal of Composite Materials     Hybrid Journal   (Followers: 299)
Journal of Computational Physics     Hybrid Journal   (Followers: 64)
Journal of Contemporary Physics (Armenian Academy of Sciences)     Hybrid Journal   (Followers: 11)
Journal of Dynamic Systems, Measurement, and Control     Full-text available via subscription   (Followers: 13)
Journal of Elasticity     Hybrid Journal   (Followers: 6)
Journal of Electrical Bioimpedance     Open Access   (Followers: 2)
Journal of Electron Spectroscopy and Related Phenomena     Hybrid Journal   (Followers: 3)
Journal of Electronic Materials     Hybrid Journal   (Followers: 5)
Journal of Electronics Cooling and Thermal Control     Open Access   (Followers: 5)
Journal of Engineering Materials and Technology     Full-text available via subscription   (Followers: 19)
Journal of Engineering Physics and Thermophysics     Hybrid Journal   (Followers: 1)
Journal of Experimental and Theoretical Physics     Hybrid Journal   (Followers: 3)
Journal of Fire Sciences     Hybrid Journal   (Followers: 4)
Journal of Geometry and Physics     Full-text available via subscription  
Journal of Geophysical Research : Space Physics     Full-text available via subscription   (Followers: 132)
Journal of High Energy Astrophysics     Full-text available via subscription   (Followers: 24)
Journal of High Energy Physics     Hybrid Journal   (Followers: 18)
Journal of Hydrogels     Full-text available via subscription  
Journal of Hyperspectral Remote Sensing     Open Access   (Followers: 18)
Journal of Imaging     Open Access   (Followers: 3)
Journal of Information Display     Hybrid Journal   (Followers: 1)
Journal of Intelligent Material Systems and Structures     Hybrid Journal   (Followers: 6)
Journal of Lightwave Technology     Hybrid Journal   (Followers: 11)
Journal of Low Frequency Noise, Vibration and Active Control     Open Access   (Followers: 8)
Journal of Luminescence     Hybrid Journal   (Followers: 4)
Journal of Materials Engineering and Performance     Hybrid Journal   (Followers: 23)
Journal of Materials Physics and Chemistry     Open Access   (Followers: 2)
Journal of Materials Science     Hybrid Journal   (Followers: 21)
Journal of Materials Science : Materials in Electronics     Hybrid Journal   (Followers: 5)
Journal of Materials Science : Materials in Medicine     Hybrid Journal   (Followers: 5)
Journal of Mathematical Fluid Mechanics     Hybrid Journal   (Followers: 8)
Journal of Mathematical Physics     Hybrid Journal   (Followers: 25)
Journal of Medical Imaging and Health Informatics     Full-text available via subscription  
Journal of Medical Ultrasonics     Hybrid Journal   (Followers: 2)
Journal of Micro/Nanolithography MEMS and MOEMS     Hybrid Journal   (Followers: 13)
Journal of Modern Physics     Open Access   (Followers: 7)
Journal of Molecular Spectroscopy     Hybrid Journal   (Followers: 8)
Journal of Motor Behavior     Hybrid Journal   (Followers: 10)
Journal of Multiscale Modeling     Hybrid Journal  
Journal of Nanophotonics     Hybrid Journal   (Followers: 9)
Journal of Nepal Physical Society     Open Access  
Journal of Nondestructive Evaluation     Hybrid Journal   (Followers: 11)
Journal of Nonlinear Mathematical Physics     Hybrid Journal   (Followers: 1)
Journal of Nuclear Physics, Material Sciences, Radiation and Applications     Open Access   (Followers: 1)
Journal of Optics     Hybrid Journal   (Followers: 7)
Journal of Physical and Chemical Reference Data     Hybrid Journal   (Followers: 4)
Journal of Physical Chemistry B     Full-text available via subscription   (Followers: 38)
Journal of Physical Chemistry C     Full-text available via subscription   (Followers: 31)
Journal of Physical Oceanography     Full-text available via subscription   (Followers: 12)
Journal of Physical Organic Chemistry     Hybrid Journal   (Followers: 9)
Journal of Physics A : Mathematical and Theoretical     Hybrid Journal   (Followers: 20)
Journal of Physics and Chemistry of Solids     Hybrid Journal   (Followers: 5)
Journal of Physics D : Applied Physics     Hybrid Journal   (Followers: 14)
Journal of Physics: Condensed Matter     Hybrid Journal   (Followers: 6)
Journal of Physics: Conference Series     Open Access   (Followers: 2)
Journal of Plasma Physics     Hybrid Journal   (Followers: 20)
Journal of Polymer Science Part B: Polymer Physics     Hybrid Journal   (Followers: 23)
Journal of Porous Materials     Hybrid Journal   (Followers: 4)
Journal of Porphyrins and Phthalocyanines     Hybrid Journal   (Followers: 2)
Journal of Quantitative Spectroscopy and Radiative Transfer     Hybrid Journal   (Followers: 3)
Journal of Reinforced Plastics and Composites     Hybrid Journal   (Followers: 30)
Journal of Research in Physics     Open Access   (Followers: 13)
Journal of Rheology     Full-text available via subscription   (Followers: 5)
Journal of Romance Studies     Full-text available via subscription   (Followers: 2)
Journal of Sandwich Structures and Materials     Hybrid Journal   (Followers: 3)
Journal of Scientific Research     Open Access  
Journal of Semiconductors     Full-text available via subscription   (Followers: 4)
Journal of Sensors     Open Access   (Followers: 23)
Journal of Sol-Gel Science and Technology     Hybrid Journal  
Journal of Solid State Lighting     Open Access  
Journal of Spectroscopy     Open Access   (Followers: 7)
Journal of Superconductivity and Novel Magnetism     Partially Free   (Followers: 1)
Journal of Synchrotron Radiation     Hybrid Journal   (Followers: 4)
Journal of Testing and Evaluation     Full-text available via subscription   (Followers: 20)
Journal of the American Society for Mass Spectrometry     Hybrid Journal   (Followers: 30)
Journal of the Brazilian Society of Mechanical Sciences     Open Access   (Followers: 2)
Journal of the ICRU     Hybrid Journal  
Journal of the Korean Physical Society     Partially Free  
Journal of Theoretical and Applied Physics     Open Access   (Followers: 8)
Journal of Tissue Engineering     Open Access   (Followers: 6)
Journal of Ultrasound in Medicine     Full-text available via subscription   (Followers: 11)
Journal of Vibration and Control     Hybrid Journal   (Followers: 41)
Journal of Visualization     Hybrid Journal   (Followers: 2)
Journal of Zhejiang University SCIENCE A     Hybrid Journal  
Jurnal Fisika     Open Access  
Jurnal NEUTRINO     Open Access  
Jurnal Pendidikan Fisika     Open Access   (Followers: 3)
Jurnal Pendidikan Fisika     Open Access  
Jurnal Pendidikan Fisika Indonesia (Indonesian Journal of Physics Education)     Open Access   (Followers: 2)
Jurnal Penelitian Fisika dan Aplikasinya     Open Access  
Jurnal Penelitian Sains (JPS)     Open Access  
Jurnal Sains dan Pendidikan Fisika     Open Access  
Karbala International Journal of Modern Science     Open Access   (Followers: 3)
Lasers in Surgery and Medicine     Hybrid Journal   (Followers: 1)
Latvian Journal of Physics and Technical Sciences     Open Access  
Learning Technologies, IEEE Transactions on     Hybrid Journal   (Followers: 14)
Les Houches Summer School Proceedings     Full-text available via subscription   (Followers: 1)
Letters in Mathematical Physics     Hybrid Journal   (Followers: 4)
Light : Science & Applications     Open Access  
Living Reviews in Relativity     Open Access  
Living Reviews in Solar Physics     Open Access   (Followers: 2)
Lubrication Science     Hybrid Journal   (Followers: 2)
Macalester Journal of Physics and Astronomy     Open Access   (Followers: 3)
Machining Science and Technology: An International Journal     Hybrid Journal   (Followers: 3)
Magnetic Resonance Materials in Physics, Biology and Medicine     Hybrid Journal   (Followers: 3)
Magnetics Letters, IEEE     Hybrid Journal   (Followers: 7)
MAPAN     Hybrid Journal  
Mass Spectrometry Reviews     Hybrid Journal   (Followers: 31)
Matéria (Rio de Janeiro)     Open Access   (Followers: 1)
Materials & Design     Hybrid Journal   (Followers: 42)
Materials at High Temperatures     Full-text available via subscription   (Followers: 6)
Materials Chemistry and Physics     Full-text available via subscription   (Followers: 16)
Materials Research     Open Access   (Followers: 8)
Materials Research Bulletin     Hybrid Journal   (Followers: 26)
Materials Research Innovations     Hybrid Journal   (Followers: 1)
Materials Science     Hybrid Journal   (Followers: 9)
Materials Science and Engineering: A     Hybrid Journal   (Followers: 42)
Materials Science and Engineering: B     Hybrid Journal   (Followers: 20)
Materials Science and Engineering: C     Hybrid Journal   (Followers: 19)
Materials Science and Engineering: R: Reports     Hybrid Journal   (Followers: 17)
Materials Science and Technology     Hybrid Journal   (Followers: 42)
Matériaux & Techniques     Full-text available via subscription   (Followers: 2)
Mathematical Physics, Analysis and Geometry     Hybrid Journal   (Followers: 1)
Mathematics and Mechanics of Solids     Hybrid Journal   (Followers: 3)
Matter and Radiation at Extremes     Open Access  
Meccanica     Hybrid Journal  
Mechanics of Advanced Materials and Structures     Hybrid Journal   (Followers: 4)
Mechanics of Materials     Hybrid Journal   (Followers: 22)
Mechanics of Time-Dependent Materials     Hybrid Journal   (Followers: 2)
Mechanics Research Communications     Hybrid Journal   (Followers: 2)
Metamaterials     Hybrid Journal   (Followers: 3)
Micro and Nano Systems Letters     Open Access   (Followers: 5)
Microfluidics and Nanofluidics     Hybrid Journal   (Followers: 10)
Microporous and Mesoporous Materials     Hybrid Journal   (Followers: 9)
Modern Instrumentation     Open Access   (Followers: 30)
Modern Physics Letters A     Hybrid Journal   (Followers: 15)
Modern Physics Letters B     Hybrid Journal   (Followers: 10)
Molecular Astrophysics     Full-text available via subscription  
Molecular Diversity     Hybrid Journal  
Moscow University Physics Bulletin     Hybrid Journal  
Multibody System Dynamics     Hybrid Journal   (Followers: 2)
NANO     Hybrid Journal   (Followers: 5)
Nano Letters     Full-text available via subscription   (Followers: 60)
Nano Reviews & Experiments     Open Access   (Followers: 13)
Nano-Micro Letters     Open Access   (Followers: 2)
NanoBioImaging     Open Access  
Nanomechanics     Open Access  
Nanoscale and Microscale Thermophysical Engineering     Hybrid Journal   (Followers: 3)
Nanoscale Research Letters     Open Access   (Followers: 5)

  First | 1 2 3 | Last

Journal Cover Contributions to Plasma Physics
  [SJR: 0.717]   [H-I: 36]   [3 followers]  Follow
    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 0863-1042 - ISSN (Online) 1521-3986
   Published by John Wiley and Sons Homepage  [1579 journals]
  • Optical characterization of atmospheric-pressure plasma needle
    • Authors: S.S. Fatima; N.U. Rehman, Maria Younus, I. Ahmad
      Abstract: The atmospheric-pressure plasma needle is a promising source that can be used efficiently for different industrial applications. A radio frequency (RF) (13.56 MHz) generator was used to generate a He–O2/Ar mixture plasma. The ground-state oxygen atomic density [O] was calculated as a function of discharge parameters by “actinometry”. The Ar-I (2p1 1s2) line at 750 nm and the O-I (3P 3S) line at 844 nm were used to estimate the [O] atomic density. The rotational temperature TR of He–O2/Ar mixture was measured from the rotational levels of the “first negative system” (FNS) N2+B2Σu+,ν′X2Σg+,ν′′ by using the “Boltzmann plot”. The effect of discharge parameters on the atomic oxygen density [O] and the gas temperature was monitored. These results show that [O] density increases with RF power and O2 concentration, but decreases with the gas flow rate. Whereas the gas temperature increases with increase in the input RF power, it decreases with increase in the gas flow rate and O2 concentration in the mixture. Since the [O] atomic density contributes to plasma-based biomedical applications, the proposed optimum conditions for plasma-based decontamination of heat-sensitive materials in the present study are 0.6% oxygen, 500 sccm flow rate, and 26 W RF power.
      PubDate: 2017-10-16T23:20:48.262714-05:
      DOI: 10.1002/ctpp.201700058
       
  • Observation of arc modes in a magnetically rotating arc plasma generator
    • Authors: Cheng Wang; Haichao Cui, Zelong Zhang, Weiluo Xia, Weidong Xia
      Abstract: An arc plasma can present various forms under the influence of an external magnetic field. In this study, a magnetically rotating arc plasma generator has been developed to produce three arc modes, namely rigid arc, distorted arc, and diffuse arc, which are obtained by controlling the gas flow rate. The evolution of these arc modes are experimentally studied and discussed. Results show that, as the gas flow rate increases, the arc mode is first transformed from the rigid to the distorted mode, and then to the diffuse mode. Comparisons show that the location of the arc attachment is a key factor in determining the rigid and distorted modes. The diffuse arc is observed under larger gas flow rates, but the completely diffuse arc can exist only within a narrow range of gas flow rates. Compared to the distorted arc, the diffuse arc has not only better stability but also a wider high-temperature plasma zone, which indicates that the diffuse mode may be more useful in industry.
      PubDate: 2017-10-11T00:14:01.876206-05:
      DOI: 10.1002/ctpp.201700056
       
  • High energy density matter issues related to Future Circular Collider:
           Simulations of full beam impact with a solid copper cylindrical target
    • Authors: N.A. Tahir; F. Burkart, R. Schmidt, A. Shutov, D. Wollmann, A.R. Piriz
      Abstract: This paper presents numerical simulations of the thermodynamic and hydrodynamic response of a solid copper cylindrical target that is subjected to the full impact of one future circular collider (FCC) ultra-relativistic proton beam. The target is facially irradiated so that the beam axis coincides with the cylinder axis. The simulations have been carried out employing an energy deposition code, FLUKA, and a 2D hydrodynamic code, BIG2, iteratively. The simulations show that, although the static range of a single FCC proton and its shower in solid copper is ∼1.5 m, the full beam may penetrate up to 350 m into the target as a result of hydrodynamic tunnelling. Moreover, simulations also show that a major part of the target is converted into high energy density (HED) matter, including warm dense matter (WDM) and strongly coupled plasma.
      PubDate: 2017-10-06T05:25:48.398015-05:
      DOI: 10.1002/ctpp.201700075
       
  • Sound speed and diffusion in 2D Yukawa liquids: Effect of
           dipole–dipole interaction
    • Authors: Ayatola Zh. Gabdulin; Tlekkabul S. Ramazanov, Zhandos A. Moldabekov
      Abstract: The two-dimensional (2D) Yukawa liquid with an additional screened dipole–dipole interaction is considered in connection with the 2D system of charged dust particles in complex plasmas. Particularly, the sound speed and diffusion in the case the Yukawa interaction potential dominant over the screened dipole–dipole interaction are analysed. Increase in the value of the sound speed and suppression of the super-diffusion due to the additional dipole–dipole interaction are reported. This effect is explained by the stronger inter-particle correlations induced by the additional dipole–dipole interaction.
      PubDate: 2017-10-06T05:20:31.609764-05:
      DOI: 10.1002/ctpp.201700068
       
  • Recent microgravity experiments with complex direct current plasmas
    • Authors: C. Dietz; M. Kretschmer, B. Steinmüller, M.H. Thoma
      Abstract: Complex plasmas are low-temperature plasmas containing micrometer-sized particles. They are useful as models for strongly coupled many-body systems. Since the microparticles are strongly affected by gravity, microgravity experiments with complex plasmas are conducted. Here we report on recent microgravity experiments with the experimental facility PK-4 performed in parabolic flights. In particular, we discuss electrorheological and demixing experiments and the image analysis tools used.
      PubDate: 2017-10-06T05:15:56.0281-05:00
      DOI: 10.1002/ctpp.201700055
       
  • The effect of Landau damping on the power absorption in a helicon plasma
           source driven by an m = 0 antenna
    • Authors: B. Soltani; M. Habibi, H. Zakeri-khatir
      Abstract: Landau damping is one of the most important mechanisms for the description of wave dissipation and efficient power absorption in helicon plasma sources. Numerical analysis using the MATLAB code is carried out to determine the dispersion relation of the helicon plasma and calculate the axial wavenumber for m = 0 mode in both Trivelpiece-Gould (TG) and helicon plasma density regimes. In addition, the MATLAB code is coupled to the CST Microwave Studio (Ms) code to examine the collisionless power absorption due to Landau damping in a helicon source driven by a single-loop antenna. The effects of some parameters, such as the electron temperature (Te), the external magnetic field strength (B0), and the antenna excitation frequency (f), on the Landau damping are investigated for electron density ranging from 1 × 1016 to 1 × 1020 m–3. Our findings indicate that, for a given set of plasma parameters, Landau damping shows different behaviors on the power deposition. For instance, increasing the excitation frequency has considerable effect on the collisionless absorbed power in the range of values from 3 × 1017 to 3 × 1019 m–3 of the electron density. Also, for f  = 13.56 MHz, Te = 3 eV, and B0 = 100 G, there is a specific electron density (i.e., ne = 2 × 1018 m–3) beyond which increasing the electron temperature causes a decrease in the collisionless power absorption; the opposite is true for lower plasma density (i.e., ne 
      PubDate: 2017-09-25T04:56:57.734555-05:
      DOI: 10.1002/ctpp.201700020
       
  • Investigation on the optimal configuration design and discharge
           characteristics of the helicon plasma tube
    • Authors: Guang-Qing Xia; Qiu-Yun Wu, Liu-Wei Chen, Shi-Yuan Cong, Ya-Jie Han
      Abstract: Helicon discharge is characterized by its high ionization efficiency. In order to obtain the desired density, the configuration design of the helicon discharge tube is carried out, and the discharge characteristics are then studied to explore the correlation between the plasma parameters and the input discharge parameters. Finite-length helicon discharge theory is employed to calculate the plasma resistance Rp, and then the optimal tube length Ls, the radius rp, and the tube–antenna gap d are confirmed. The partial and energy loss mechanisms of the tube are investigated based on low-pressure discharge particle collision theory. The results show that, for a 10-cm-long Nagoya III type antenna, with a tube radius of 4 cm and length of 20 cm, the Rp versus ne curves have peak values at ne higher than 1012 cm−3 when the magnetic field intensity B0 ≥ 200 G. We find that a local minimum of Ploss exists when p0 is ∼1.5–3.0 mTorr; meanwhile, the radial confinement reduces Te and Ploss at constant p0.
      PubDate: 2017-09-25T04:42:09.447323-05:
      DOI: 10.1002/ctpp.201700050
       
  • Backward ion-acoustic waves in plasma with unidirectional ion flow
    • Authors: A.E. Dubinov; I.N. Kitayev
      Abstract: This paper considers ion-acoustic waves in a plasma in which the ions move unidirectionally. The dispersion equation is considered and analysed as a two-dimensional problem. It is shown that the ion-acoustic waves can be in the form of backward waves (BWs). The area boundaries in the plane {kx, ky} where the BW exists are found.
      PubDate: 2017-09-11T09:52:04.571276-05:
      DOI: 10.1002/ctpp.201700040
       
  • The ion streaming effect on Weibel instability in the relativistic dense
           plasma
    • Authors: M. Mahdavi; F. Khodadadi Azadboni
      Abstract: The Weibel instability plays an important role in stopping hot electrons and energy deposition mechanism in fast ignition of inertial fusion process. In this paper, the ion Weibel instability in counter propagating electron-ion plasmas is investigate. The obtained results show that the growth rate of Weibel instability will be decreased about 40% with the anisotropy velocity as vxe = 2vze = 20; the ion density ratio, b = n0i1/n0i2, and density gradient, are increasing 50 and 90% respectively. The ion streaming in density gradient of dense plasma leads to increasing the Weibel instability growth rate and its amplification through ion streaming in the large wavenumber. The maximum unstable wavenumber has been decreased with decreasing the ion beam density ratio. For fixed ion density ratio, increasing 90% of the density gradient in the near of fuel plasma corona leads to reducing growth rate and unstable wavenumber about 43 and 42% respectively.
      PubDate: 2017-08-22T01:21:19.729693-05:
      DOI: 10.1002/ctpp.201700027
       
  • Influence of electron energy distribution on helium recombining plasma
           diagnostics using line emissions
    • Authors: H. Takahashi; A. Okamoto, S. Kitajima, T. Kobayashi, P. Boonyarittipong, T. Miura, D. Nakamura, J. Kon, T. Saikyo, Y. Tanaka, M. Goto
      Abstract: The influence of electron energy distribution on helium recombining plasma diagnostics is investigated using a helium collisional-radiative model. The population densities of excited helium atoms are calculated for Maxwellian and non-Maxwellian distribution plasma cases. In the case of the Maxwellian distribution plasma, the electron temperature and electron density determined by the Boltzmann plot method agree well with the input plasma parameters. On the other hand, it is indicated that the electron temperature and electron density are significantly underestimated in the bi-Maxwellian distribution plasma case, even though the density of the hot electron components is three orders smaller than that of the bulk electrons. This result indicates that in a non-Maxwellian helium recombining plasma, evaluation of the particle balance based on line emissions from excited helium atoms would be difficult because the reaction rate of atomic and molecular processes is strongly dependent on the electron temperature and density.
      PubDate: 2017-08-15T01:05:35.803819-05:
      DOI: 10.1002/ctpp.201700014
       
  • Numerical and analytic study of rough surface morphology on the angular
           distribution of eroded impurity
    • Authors: Quan Shi; Shuyu Dai, A. Kirschner, Dezhen Wang
      Abstract: The impact of rough surface morphology on the angular distribution of eroded impurities has been investigated with the three-dimensional (3D) rough surface code SURO and a newly developed analytic model. The property of the rough surface structure can be described by the shadow angle of the rough surface in SURO, which is defined as the ratio of the horizontal characteristic length to the initial surface roughness. The SURO simulation results show that the influence of the rough surface on the angular distribution of eroded impurities comes into play when the shadow angle is larger than a threshold value. The larger shadow angle of the rough surface leads to a stronger shift of the angular distribution of the eroded impurities. Different rough surface topographies have been used in the SURO code to check the angular distribution of the eroded impurities. It is found that the shift tendency of the angular distribution is similar for different structures of the rough surface. Based on the numerical modelling results, an analytical model has been developed to investigate the impact of the shadow angle on the angular distribution of the eroded impurities, which shows the consistent result as the SURO simulations.
      PubDate: 2017-08-15T00:41:00.843403-05:
      DOI: 10.1002/ctpp.201700022
       
  • Cover Picture: Contrib. Plasma Phys. 8/2017
    • Pages: 311 - 311
      Abstract: The schematic of the analytic model, local angle αloc, and azimuthal angle ϕ of the eroded impurity in the local coordinate. Figures 7a of the paper by Quan Shi et al.
      PubDate: 2017-09-13T05:17:25.706568-05:
      DOI: 10.1002/ctpp.201790020
       
  • Issue Information: Contrib. Plasma Phys. 8/2017
    • Pages: 312 - 313
      PubDate: 2017-09-13T05:17:25.043105-05:
      DOI: 10.1002/ctpp.201790021
       
  • Contents: Contrib. Plasma Phys. 8/2017
    • Pages: 314 - 315
      PubDate: 2017-09-13T05:17:25.131235-05:
      DOI: 10.1002/ctpp.201790022
       
  • Antibacterial activity of silver and zinc oxide nanoparticles produced by
           spark discharge in deionized water
    • Authors: Amir Jamali; Serajoddin Razavizadeh, Atousa Aliahmadi, Hamid Ghomi
      Pages: 316 - 321
      Abstract: Inorganic antibacterial agents such as metal nanoparticles (NPs) are very important in biomedical and pharmaceutical areas. There are many methods of synthesizing these NPs, but all of them have their own disadvantages. In this study, ultrasonic-assisted spark discharge is employed to produce colloidal silver (Ag) and zinc oxide (ZnO) NPs which are stable without using any stabilizers or surfactants. Different tests such as X-ray diffraction, field emission scanning electron microscopy, and ultraviolet–visible absorption spectroscopy are used for the characterization of the quantity and quality of these NPs, and their antibacterial activity is evaluated by the disk diffusion method and determination of the minimum inhibitory concentrations against Escherichia coli. The results show that the overall antibacterial activity of Ag NPs is higher than that of ZnO NPs.
      PubDate: 2017-09-13T05:17:24.351279-05:
      DOI: 10.1002/ctpp.201600021
       
  • Fluid model of H-form of the positive column in DC oxygen glow discharge
    • Authors: Marek Laca; Matěj Jan Morávek, Lukáš Schmiedt, Věra Hrachová, Adolf Kaňka
      Pages: 336 - 350
      Abstract: In our contribution, the positive column of oxygen DC glow discharge is investigated using methods of computational physics at medium pressures (200–687 Pa) and discharge currents from 20 to 40 mA. Under mentioned conditions, the attributes of the DC oxygen discharge are particular, what is based on the existence of two forms: H-form and T-form. One-dimensional fluid model of the stable H-form has been developed. Not only radial profiles of various species in cylindrical tube but also the reaction among them and their interaction with the walls are taken into account. The model is built on the continuous description of concentration of species and drift-diffusion approximation of the particle flux. The results of the simulation are in good agreement with experimental ones.
      PubDate: 2017-09-13T05:17:25.201888-05:
      DOI: 10.1002/ctpp.201600063
       
 
 
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