نتایج جستجو برای: temperature fluctuation
تعداد نتایج: 476270 فیلتر نتایج به سال:
We follow the dynamics of an ensemble of interacting self-propelled motorized particles in contact with an equilibrated thermal bath. We find that the fluctuation-dissipation relation allows for the definition of an effective temperature that is compatible with the results obtained using a tracer particle as a thermometer. The effective temperature takes a value which is higher than the tempera...
This paper reports progress on gyrokinetic particle simulation of turbulence in fusion plasmas including: (1) Electron transport driven by short wavelength trapped electron mode turbulence; (2) Convergence studies and physics progress in long time simulation of electron temperature gradient turbulence; (3) Electromagnetic simulation of global magnetohydrodynamic modes and finite-β stabilization...
A primordial stochastic magnetic field will induce temperature and polarization fluctuations in the cosmic microwave background. We outline a calculation of the resulting fluctuation power spectra and present numerical results.
Heat transfer coefficient in the entrance region of water flowing through micro-tubes with diameters of 962 μm and 123 μm was investigated in this study. Two temperature measurement methods, thermocouple and liquid crystal thermography (LCT), were used to measure the tube surface temperature. The experimental data showed that the Nu in the entrance region can be predicted well by conventional c...
We present extensive computational results for the effective temperature, defined by the fluctuation-dissipation relation between the mean square displacement and the average displacement of grains, under the action of a weak, external perturbation, of a sheared, bi-disperse granular packing of compressible spheres. We study the dependence of this parameter on the shear rate and volume fraction...
The X-ray luminosity-temperature relation for nearby T ≃ 3.5 − 10 keV clusters is rederived using new ASCA temperatures (Markevitch et al. 1998a) and ROSAT luminosities. Both quantities are derived by directly excluding the cooling flow regions. This correction results in a greatly reduced scatter in the LX − T relation; cooling flow clusters are similar to others outside the small cooling flow...
In this paper, the Y1-xCdxBa2Cu3O7-δ superconductor with x=0, 0.05, 0.1, 0.15, 0.2, 0.3, 0.4, 0.5 are prepared using the solid state method and the structure, electrical resistance, critical current density and critical temperature of it, have been studied. The results show that these doping do not affect so much on the structure and lattice parameters. The electrical resistance of samples incr...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید