Advanced measurements for analysis and data acquisition from the cold crucible

Rot, David; Jiřinec, Jakub; Jirinec, Stanislav; Kožený, Jiří

doi:10.1109/epe.2016.7521780

Cited by 4 publications

(1 citation statement)

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“…of the generator were measured, as was the inductor voltage and current, the current on primary side of the transformer and the voltage at the outlet terminals of the generator. Detailed information about this induction system can be found in [1], [2].…”

Section: Induction System Parametersmentioning

confidence: 99%

Distortion in Induction-Hardened Cylindrical Part

Hájek

Rot

Jiřinec

2019

DDF

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This article concerns distortion of a workpiece after induction-hardening under various conditions. It focuses particularly on the effects of quenching water temperature, PAG polymer concentration and the rotation speed of the workpiece during induction hardening. Electrical as well as non-electrical quantities which affect the process were monitored. They included the current passing through the inductor, the power frequency, quenching water temperature, the flow rate of the quenchant through the spray-quench device, the speed of rotation of the workpiece and some others. The workpiece was a cylinder 70 mm in length which contained a drilled off-axis through hole. Prior to hardening, dimensions of the workpiece and the hole were measured on three planes set in different distances from the bottom face. The measurement was repeated after induction hardening and the findings are reported in this article. Post-process hardness was measured on the cylindrical surface of the workpiece. Hardening depths obtained with different quenchants were measured.

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Section: Induction System Parametersmentioning

confidence: 99%

Distortion in Induction-Hardened Cylindrical Part

Hájek

Rot

Jiřinec

2019

DDF

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Calculation of heat flux through calorimeter wall

Poznyak¹,

Uhér²

2018

AIP Conference Proceedings

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Preliminary Experiments While Designing a Cold Crucible for Metal Melting

Rot

Jiřinec

2019

Journal of Nuclear Engineering and Radiation Science

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This article deals with issues arising during the design and production of a cold crucible (CC) for melting metals and alloys using electromagnetic induction. The article deals particularly with the results from tests and numerical simulations for designing the CC. The heat fluxes from different metals and their alloys to two different CCs and one calorimeter were measured during the tests. The required magnetohydrodynamic effects on the melted load were verified, and related (independent) electrical and thermal quantities were measured. The dependent electric parameters (R, L, Z) were measured on the inductor and on the primary side of the high frequency transformer. The experiments were numerically simulated first, and the experimental and simulated results were then compared. The final part of the article contains the final design of the CC. The final CC was tested for the transfer of energy from the inductor into a load placed inside the CC and the required magnetohydrodynamic effects on the melted load inside the CC were partly verified too.

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Advanced measurements for analysis and data acquisition from the cold crucible

Cited by 4 publications

References 0 publications

Distortion in Induction-Hardened Cylindrical Part

Distortion in Induction-Hardened Cylindrical Part

Calculation of heat flux through calorimeter wall

Preliminary Experiments While Designing a Cold Crucible for Metal Melting

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