Sheet cooling in a roller quenching machine

Ostapenko, A. L.; Beygelzimer, Emmanuil; Kozlenko, D. A.; Gritsenko, S. A.; Goncharov, N. V.

doi:10.3103/s0967091216050119

Cited by 2 publications

(3 citation statements)

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“…The technique of the experimental studies is described in detail in [82,83]. It consisted of the application of a measuring complex in the form of a test plate with embedded thermocouples, connected to the data-collection and recording system (Figure 11).…”

Section: Experimental Studies 221 Experimental Proceduresmentioning

confidence: 99%

Validation of the Cooling Model for TMCP Processing of Steel Sheets with Oxide Scale Using Industrial Experiment Data

Beygelzimer¹,

Beygelzimer

2022

JMMP

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To verify the mathematical model of the water-jet cooling of steel plates developed by the authors, previously performed experimental studies of the temperature of the test plates in a roller-quenching machine (RQM) were used. The calculated temperature change in the metal as it moved in the RQM was compared with the readings of thermocouples installed at the center of the test plate and near its surface. The basis of the model is the dependence of the temperatures of the film, transition and nucleate boiling regimes on the thickness of the oxide scale layer on the cooled surface. It was found that the model correctly accounts for the oxide scale on the sheet surface, the flow rates and combinations of the RQM banks used, the water temperature, and other factors. For all tests, the calculated metal temperature corresponded well with the measured one. In the experiments with interrupted cooling, the calculated temperature plots repeated the characteristic changes in the experimental curves. The main uncertainty in the modeling of cooling over a wide temperature range can be attributed to the random nature of changes in the oxide scale thickness during water cooling. In this regard, the estimated thickness of the oxide scale layer should be considered the main parameter for adapting the sheet temperature-control process. The data obtained confirm the possibility of effective application of the model in the ACS of industrial TMCP (Thermo-Mechanical Controlled Process) systems.

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Section: Experimental Studies 221 Experimental Proceduresmentioning

confidence: 99%

Validation of the Cooling Model for TMCP Processing of Steel Sheets with Oxide Scale Using Industrial Experiment Data

Beygelzimer¹,

Beygelzimer

2022

JMMP

View full text Add to dashboard Cite

show abstract

“…Results of experimental studies of temperature distribution across thickness and width of the sheet hardened on a roll-type hardening machine at Severstal OJSC (Russia) are described in [6]. However, the thermal state of rolls is not considered in these studies and their results make it possible to make just a preliminary assessment of the effectiveness of It is known that the roll durability largely depends on its surface hardness.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

“…Thus, the analysis of scientific and technical literature has shown that when elaborating on the technological modes of thin sheet rolling processes with the application of accelerated cooling, it is necessary to have a reliable theoretical model for calculating the thermal state of the strip-roll system. Studies of the influence of various factors on the processes of accelerated strip cooling are presented in [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15]. However, they either do not provide procedures giving just results of calculation of the thermal state of the strip-roll system or study the thermal state of one element of this contact pair.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%