21 research outputs found

    Culture - Language - Violence

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    Zum Verständnis der Gewalt dürfte der Versuch beitragen, einen prointuitiven, in der Natur der Sache begründeten Begriff zu konstruieren, dessen Wert in seinem erhöhten Erklärungspotenzial liegt. Im vorliegenden Text wird der Versuch vorgenommen, den Begriff "Gewalt" aus drei fundamentalen menschenkonstitutiven Faktoren abzuleiten, der es ermöglicht, die Gewalt aus der Sicht des Betroffenen systematisch zu beschreiben und erklären. In die Erörterungen werden Kultur und Sprache involviert und innerhalb von drei Subthemen - Interpretation und Gewalt, sprachliche Ordnung und Gewalt, soziale Interaktion und Gewalt - wird ihre Einbeziehung in die "Welt der Gewalt" aus besonderen Perspektiven ins Visier genommen.This paper is intended to be acontribution to clarification of the phenomenon violence with regard to culture and language. The elucidation is based on the concept of natural order that is embedded in the structure own world - not own world - epiworld. The author began by focusing on the idea that our natural order includes defensive reactions, too. If elements penetrate into our natural order in spite of these reactions, we perceive it as violence i.e. the disturbing of our natural orders against our will is an act of violence. The author then touches on the ways in which our natural orders are disturbed. He examines the disturbing of cultural order, considering the difference between more or less open and closed culture, and then shows that the constriction of realization of our interpretational potential is aform of violence, too. Another facet of violence he explores is the disturbing of the linguistic order in view of two approaches to this order that raise the fundamental question about the nature of this order in connection with the problem of violence. Finally, he turns to social interaction with respect to face-threatening acts and to the principle of balance between accommodation and assimilation in the interaction

    Acoustic detection of noise emission from discharge activity in power engineering

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    This article deals with results from analysis of acoustic signal obtained from experiments realized in nonhomogeneous electric field. These signals exist in the form unwanted noise which can be used also for diagnostic purpose. In power engineering this case occure in high voltage power station and transmission lines. We analyse acoustic signal from acoustic sensor in audible band from 1 kHz to 20 kHz. The acoustic signal transmitted from object is unique for specific conditions. Exploitation of audible band for discharge detection is difficult in outdoor bias level. Advantage of this method consist in simple results prepare

    Discharge activity detection in acoustic band in strong electric field

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    This paper is oriented in the area of analysis of acoustic noise obtained from service of power engineering devices with very strong electromagnetic field. In this case not only operator but also measurement devices need protection. For this purpose optical insulated amplifier with frequency range up to 2 MHz was developed. We analyse acoustic signal from acoustic sensor in audible band from 1 kHz to 20 kHz. The acoustic signal transmitted from object is unique for specific conditions. Exploitation of audible band for PD phenomenon detection is difficult in outdoor bias level but with appropriate filtering it is possibile this disadvantage eliminate. Advantage of this method consist in simple results prepare

    Dielectric relaxation response of electrical insulating liquids under different natures of thermal stress

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    This study focuses on the dielectric relaxation response of insulating liquids based on mineral oil and synthetic ester in a thermal field.The research also offers the dielectric relaxation response of the magnetic nanofluid based on the investigated synthetic ester. The reason for investigating the synthetic ester-based nanofluid is that the temperature characteristics of the mineral oil-based magnetic nanofluid have already been investigated in several studies. Nanofluid based on synthetic ester is not sufficiently explored in this regard. The behavior of insulating liquids in the thermal field is divided into two parts. The first one points to the effect of temperature on the dielectric properties of the insulating liquids in the range from 293.15 K to 363.15 K. The insulating liquids show relaxation processes in the investigated frequency spectrum (1 mHz–3 kHz), which are dependent on temperature. The logarithm of the relaxation frequency decreases linearly with decreasing temperature according to Arrhenius' law. Mineral oil has the highest value of activation energy. In the second part, the results are focused on the influence of the rate of temperature increase on the dielectric parameters and moisture content of the investigated fluids. A slower increase in temperature causes an increase in polarization losses and a reduction in the distribution of relaxation times. In the case of base oils, also a reduction in activation energy. The change in the heating rate of the investigated liquids does not affect their moisture. Changes in dielectric parameters are not caused by changes in the moisture of insulating liquids, but by thermal aging

    Frequency-Dependent Dielectric Spectroscopy of Insulating Nanofluids Based on GTL Oil during Accelerated Thermal Aging

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    Improving the dielectric properties of liquid-insulating materials is a current problem in research into the insulation system of a power transformer. Modern optimization of insulating liquids involves the potential use of unique synthetic esters enriched with nanoparticles. This study presents the results of the dielectric response of liquefied gas-based (GTL) insulating liquids during accelerated thermal aging. The dielectric relaxation spectroscopy method was used in the frequency domain to point out power losses as an imaginary part of a complex electric modulus. The relaxation spectra express the validity of applying this complex dielectric parameter. The polarization processes of the base oil alternately change position in the low-frequency band during thermal aging. Fullerene nanofluid undergoes three phases of dielectric loss changes during thermal aging. In the case of magnetic nanofluid, the effect of electric double-layer polarization disappeared after 500 h of thermal aging. It was found that with the gradual increase in the thermal aging time, there is no gradual increase in the dielectric losses investigated in the measured frequency spectrum. This study shows that the concentration of the two types of nanoparticles independently causes a different dielectric response to an applied AC electric field in the GTL base fluid
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