Ultrasonic absorption in magnetic nanofluids with magnetic field relaxation

Analysis of data on ultrasonic absorption in magnetic nanofluids. The explanation of the peaks of the absorption coefficient of ultrasound using the process of relaxation of the magnetic field to its equilibrium value in the model of magnetic fluid.

Подобные документы

  • Langevin, Fokker Planck equations are considered for stochastic spherical motion of the ferromagnetic fine particle with frozen magnetic moment in a viscous carrier. Special attention devotes to the correspondence between dissipative and diffusive terms.

    статья, добавлен 30.07.2016

  • The problem of the inverse conversion of powerful microwave energy into direct current energy is considered. The CWC type [4,5] is discussed, in which two microwave cavities are used, having uniform and fourfold electric fields in the interaction gaps.

    статья, добавлен 04.11.2018

  • Asymptotic formulas for stray fields of arbitrarily oriented magnetic and electric dipoles located on the axis of a translucent disk. Using the Kirchhoff approximation and the stationary phase method. Numerical solution of a singular integral equation.

    статья, добавлен 05.11.2018

  • The study of ultra-broadband composite absorbers of electromagnetic waves. The level of absorption in a wide band of frequencies, a combination of mechanisms enhancing the loss of energy field. Harmonization of resistance and destructive interference.

    статья, добавлен 13.10.2016

  • Description of the ion-optical properties and characteristics of prism mass analyzer. The formation and focusing of a parallel ion beam in the mass spectrometer, which allows him to reduce the spherical aberration of the additional focusing system.

    статья, добавлен 30.07.2016

  • Investigation of physical-energy States, reactions and excitation spectra in deformed heavy nuclear systems, magnetic spectrograph. Modeling schemes States actinide nuclei fissility. Calculation of inertia parameters of energy in the examined groups.

    статья, добавлен 11.11.2013

  • Studding of Deposition of uniform coatings in the vacuum arc deposition setup. A control unit consisted of two electromagnetic coils installed under substrate of 400 mm dia. exposed to the plasma flux at a distance of 325 mm from the plasma duct exit.

    статья, добавлен 30.07.2016

  • A mathematical model of multiphase cylindrical apparatus for bulk materials treatment with radio frequency electric field. Analysis of the distribution of the electric field inside the zone restricted with multiple connected circular arc-shaped boundary.

    статья, добавлен 29.07.2016

  • The derivative expansion of the QED effective action as a divergent but Borel summable asymptotic series, for a particular inhomogeneous background magnetic eld. A non-Borel-summable perturbative series for a time dependent background electric eld.

    статья, добавлен 09.09.2012

  • Analysis of features of the power system of organism. Essence of concept is a "biofield". Life as continuous process of absorption of energy of different kinds and different values. Biological aspects of influence of the electromagnetic fields on a man.

    реферат, добавлен 08.11.2012

  • The temperature effect on the phase composition, on variation in diffuse reflection spectra. Absorption coefficient of titanium dioxide powder during heating and modification by silicon dioxide nanoparticles. The irradiation with accelerated electrons.

    статья, добавлен 12.09.2016

  • The practice of processing natural gas to pipeline dry gas quality levels. Oil and condensate removal. The actual process used to separate oil from natural gas. Natural gas processing. An example of absorption dehydration is known as Glycol Dehydration.

    статья, добавлен 10.03.2019

  • Analysis of the possibility of changing the absorption spectra of photocatalytic nanopowders TiO2 to increase the efficiency of the reaction. Development of original nanotechnology deposition of Ni-B clusters on the surface of nanoparticles of powders.

    статья, добавлен 21.06.2018

  • Phase transition for US gauge field is considered. A lower bound of the phase transition temperature by comparing of the average energy for the perturbative and nonperturbative regimes is estimated. In a scalar model of glueball its energy is calculated.

    статья, добавлен 29.04.2017

  • Analysis of the use of a combined solar collector for heat supply of buildings to enhance the efficiency of solar system by increasing the surface area of absorption of solar energy. The study of the intensity of the solar radiation on the collector.

    статья, добавлен 24.02.2016

  • Electric field of radio frequency. Mathematical model of multiphase cylindrical apparatus for bulk materials treatment. Connected circular arc-shaped boundary on the basis of the field coupling problem of the theory of singular integral equations.

    статья, добавлен 29.07.2016

  • Practical study of the general nature of the effect of an electrostatic field on a low-temperature plasma. The Tesla Converter and generator as sources of the electrostatic field in the experiment. Extinguishing the flame using an electrostatic field.

    статья, добавлен 26.05.2020

  • Mathematical model of a multi-electrode cylindrical structure for uniform distribution of electric field intensity between the electrodes at a much lower capacity compared to flat electrodes. The distribution of electric field intensity in the space.

    статья, добавлен 30.07.2016

  • Neutron cross sections have been measured for Lu and Tb isotopes with neutron activation method. The coincidence summing and self-absorption effects have been taken into account. Calculations of efficiency have been performed with Monte Carlo simulations.

    статья, добавлен 07.10.2013

  • Deposition of CuPc under the electric field and without it. The influence of the field on morphological properties. Quantum-chemical modeling and growth mechanisms. The electrical characteristics of the amorphous and crystalline structure of the films.

    статья, добавлен 30.07.2016

  • Mathematical formula of W. Sabine for calculating the reverberation time in a room, a measure of how quickly or slowly sound energy dies away in an enclosed space. Studying the behavior of sound in rooms and absorption of sound energy by the materials.

    статья, добавлен 09.09.2012

  • A numerical technique has been used slove the carrier transport equations for PbSnTe photodiode configurations. The model computes the spatial distribution of the electric field, electron concentrations and the generation-recombination of the mechanism.

    статья, добавлен 28.06.2013

  • The production of biogas from algae. The Optimization the synthesis process of biogas using the results of the mathematical models of stimulation of this process. The scheme of the reactor for processing suspension of cyanobacteria with ultrasound.

    статья, добавлен 29.09.2018

  • Mathematical modeling as an effective tool for solving very complex tasks of estimating heat reserves, choosing rational exploration schemes. Principles of design and optimization of geothermal field development systems and use in this modeling process.

    статья, добавлен 09.08.2022

  • Nanofluids are liquids suspensions containing nanoparticles dispersed in a liquid. An investigation is for measurement of the freezing point and studying the supercooling point. The T-historic method based on the measurement of the point of inflexion.

    статья, добавлен 17.04.2013

Работы в архивах красиво оформлены согласно требованиям ВУЗов и содержат рисунки, диаграммы, формулы и т.д.
PPT, PPTX и PDF-файлы представлены только в архивах.
Рекомендуем скачать работу и оценить ее, кликнув по соответствующей звездочке.