نتایج جستجو برای: thermal plasma

تعداد نتایج: 563853  

2000
Markus H. Thoma

The application of generalized Kramers-Kronig relations, the so-called Leontovich relations, to thermal field theory is discussed. Medium effects contained in the full, thermal propagators can easily be taken into account by this method. As examples the collisional energy loss of a charged particle in a relativistic plasma and the radiation of energetic photons from a quark-gluon plasma are con...

2016
Zhigang Ke Qing Huang

Although blood coagulation facilitated by non-thermal plasma has been reported several years ago, the insight to the involved mechanisms is still rather limited. In this work, we report our discovery of a new mechanism for the haem-promoted blood-coagulation caused by non-thermal plasma treatment. The reason for the haem role is due to that its oxidized form, namely, hematin, can promote the di...

1998
V. E. Zakharov

The electron component of intensive electric currents ̄owing along the geomagnetic ®eld lines excites turbulence in the thermal magnetospheric plasma. The protons are then scattered by the excited electromagnetic waves, and as a result the plasma is stable. As the electron and ion temperatures of the background plasma are approximately equal each other, here electrostatic ion-cyclotron (EIC) tu...

2014
Stefan A. Stricker

We investigate the behavior of energy-momentum tensor correlators in holographic N = 4 super Yang– Mills plasma, taking finite coupling corrections into account. In the thermal limit we determine the flow of quasinormal modes as a function of the ’t Hooft coupling. Then we use a specific model of holographic thermalization to study the deviation of the spectral densities from their thermal limi...

2014
Beate Haertel Thomas von Woedtke Klaus-Dieter Weltmann Ulrike Lindequist

Non-thermal atmospheric-pressure plasma, also named cold plasma, is defined as a partly ionized gas. Therefore, it cannot be equated with plasma from blood; it is not biological in nature. Non-thermal atmospheric-pressure plasma is a new innovative approach in medicine not only for the treatment of wounds, but with a wide-range of other applications, as e.g. topical treatment of other skin dise...

2007
R. W. HARVEY G. TAYLOR

In overdense plasma for which the plasma frequency exceeds the cyclotron frequency, X-mode, nearperpendicular cyclotron emission does not propagate to the outboard plasma edge. However, under these conditions it remains possible for electron Bernstein waves (EBWs) to transmit emitted radiation from central plasma to the plasma exterior via a mode conversion to electromagnetic waves near the pla...

2002
S. Sharafat A. Kobayashi Y. Chen N. M. Ghoniem

The thermal barrier coatings (TBCs) by gas tunnel-type plasma spraying exhibited ceramic-composite features consisting of a host oxide matrix ceramic with an embedded second phase material. The densities of the composite TBC were found to be higher than those sprayed with 100wt% ZrO2 or Al2O3. In the coatings produced with powder mixtures of 50wt%, the embedded splats are found to have a relati...

1999
A. J. Slifka

The conductivity of a thermal-barrier coating composed of atmospheric plasma sprayed 8 mass percent yttria partially stabilized zirconia has been measured. This coating was sprayed on a substrate of 410 stainless steel. An absolute, steady-state measurement method was used to measure thermal conductivity from 400 to 800 K. The thermal conductivity of the coating is 0.62 W/(m⋅K). This measuremen...

Journal: :iranian journal of oil and gas science and technology 0
sajedeh shahsavari assistant professor, department of chemistry, payame noor university, tehran, iran alireza ganjovi professor ,photonics research institute, institute of science and high technology and environmental sciences, graduate university of advanced technology, kerman, iran alireza ahmadi associate professor,department of mechanical engineering, graduate university of advanced technology, kerman, iran fahimeh shojaei 2 associate professor ,photonics research institute, institute of science and high technology and environmental sciences, graduate university of advanced technology, kerman, iran 3 associate professor,department of mechanical engineering, graduate university of advanced technology

in this paper, using a one-dimensional simulation model, the reforming process of sour gas, i.e. ch4, co2, and h2s, to the various charged particles and syngas in a dielectric barrier discharge (dbd) reactor is studied. an electric field is applied across the reactor radius, and thus a non-thermal plasma discharge is formed within the reactor. based on the space-time coupled finite element meth...

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