Abstract
Abstract. The technique to compute the overall time of bloom ingot solidifi cation was developed. To solve the stated problem a method of equivalent sources (MES) by Yu.S. Postolnik was applied, which has proven its effectiveness for solving problems in the fi eld of heat engineering. The solution has been achieved in terms of the thermal layer format, for two successive stages of heat exchange, namely: – inertial and regular. The comparison of calculated data concerning a commercial bloom ingot, as derived by the MES method, with the results of experiments and those obtained by the L.S. Leybenzon method, has shown a reasonable correlation as to the time of complete solidifi cation. Thus, the obtained solution is of value in heat-engineering computations of commercial ingot solidifi cation conditions. The proposed technique can be useful in heat-engineering calculations as applied to solidifi cation and cooling schedules for ingots and billets when poured into molds and in the process of continuous casting, to get an estimate of the time of complete freezing and of temperature patterns.
Highlights
The technique to compute the overall time of bloom ingot solidification was developed
Postolnik was applied, which has proven its effectiveness for solving problems in the field of heat engineering
The solution has been achieved in terms of the thermal layer format, for two successive stages of heat exchange, namely: – inertial and regular
Summary
АНАЛИТИЧЕСКИЕ РАСЧЕТЫ РЕЖИМОВ ЗАТВЕРДЕВАНИЯ И ОХЛАЖДЕНИЯ КРУПНОТОННАЖНЫХ ПРОМЫШЛЕННЫХ СЛИТКОВ. Разработана методика расчета полного времени затвердевания блюмингового слитка. В качестве математического метода решения сформулированной задачи затвердевания и охлаждения слитков применен хорошо зарекомендовавший себя для решения задач металлургической теплотехники метод эквивалентных источников (МЭИ) Ю.С.
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