Validity of the Space-Time Enlargement Law for vacuum breakdown

Osmokrović, P.; Marić, R.; Stanković, Koviljka; Ilić, D. B.; Vujisić, Miloš

doi:10.1016/j.vacuum.2010.05.018

Cited by 29 publications

(3 citation statements)

References 30 publications

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“…However, the obtained statistical uncertainty, by the same procedure, shows that even for the random variable "flow rate" of the tritiated water it is also a deterministic quantity. This conclusion is correct with a statistical uncertainty less than 1%, so that the stochasticity of the random variable "flow rate" obtained by this method can be neglected [22,23].…”

Section: Resultsmentioning

confidence: 64%

Possibility of application nuclear magnetic resonance for measurement of fluid-flow

Kartalović

Djekic²,

Djekic

et al. 2021

NUCL TECH RAD PROT

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The paper considers the application of nuclear magnetic resonance to measure fluid flow. The paper is of an experimental nature. Flowmeter based on nuclear magnetic resonance is extremely precise. The combined measurement uncertainty can be 0.1 %. Such a value of measurement uncertainty indicates that it is a matter of a deterministic and not of a stochastic quantity. This high degree of reliability of the method is theoretically and mathematically described. The paper presents a measurement scheme for flow measurement. Water flow measurement was performed on the principle of nuclear magnetic resonance and on the basis of tritiated water (which is considered to be the most accurate classical method). The obtained results show that the measurement of flow based on nuclear magnetic resonance is more accurate (especially at higher flow). This is explained by the higher inertial mass of HTO tritiated water molecules than the standard H2O water mass and the possible transition of tritiated water to H3HeO. In this way, it has been proven that tracing water based on nuclear magnetic resonance is the only real tracing of water by water. The obtained results shows that tracing water with tritiated or heavy water is not tracing water by water which is explained by different inertial masses.

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Section: Resultsmentioning

confidence: 64%

Possibility of application nuclear magnetic resonance for measurement of fluid-flow

Kartalović

Djekic²,

Djekic

et al. 2021

NUCL TECH RAD PROT

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“…Finally, it should be indicated that the enlargement law may be implemented in the observed problem. The space-time enlargement law is represented by equations linking distribution functions of random electrical discharges, which lead to insulation breakdown, in laboratory models to those in practical insulation structures [29][30][31]. Geometrical aspect of the enlargement law was often termed the 'similarity law'.…”

Section: Resultsmentioning

confidence: 99%

Validity of the similarity law for the glow discharges in non-plane-parallel gaps

Luo

Zou

et al. 2014

Plasma Sources Sci. Technol.

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The glow discharges in the gaps geometrically similar to that used in glow discharge cleaning of the International Thermonuclear Experimental Reactor (ITER) were numerically simulated based on a two-dimensional fluid model in which the linear dimensions of gap A are two times that of gap B and the pressure of gap A is half that of gap B. Under an applied voltage of 1000 V, the physical parameters at the corresponding point pz in these two gaps were compared. It was found that the electric potential U (pz), the reduced field E(pz)/p and the electron temperature T e (pz) are equal in values for these two gaps, but the electron density n e (pz) and ion density n i (pz) for gap B are four times that of gap A. All these parameter ratios are the same as that defined by similarity law, which confirmed that the similarity law is valid for the glow discharges in non-plane-parallel gaps.

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“…The shape of magnetic field is obtained by contact geometry. The most commonly used shape is that of radial or axial magnetic field [8][9][10]. The aim of this paper is to examine the influence of the magnetic field shape in the inter-contact space in the context of contact degradation during the switching operations of circuit-breaking with current.…”

Section: Introductionmentioning

confidence: 99%

The influence of magnetic field shape on dielectric characteristics of vacuum switches

Todorović¹,

Škatarić²,

Bajramović³

et al. 2017

FME Transactions

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Validity of the Space-Time Enlargement Law for vacuum breakdown

Cited by 29 publications

References 30 publications

Possibility of application nuclear magnetic resonance for measurement of fluid-flow

Possibility of application nuclear magnetic resonance for measurement of fluid-flow

Validity of the similarity law for the glow discharges in non-plane-parallel gaps

The influence of magnetic field shape on dielectric characteristics of vacuum switches

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