2000 Fiscal Year Final Research Report Summary
MEASUREMENT OF EFFECTIVE THERMAL DIFFUSIVITY OF MOLD SLAG FOR CONTINUOUS CASTER UNDER THE CRYSTALLIZATION.
| Project/Area Number |
11650755
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Metal making engineering
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| Research Institution | HOKKAIDO UNIVERSITY |
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Principal Investigator |
KASHIWAYA Yoshiaki Hokkaido Univ.Grad.School of Eng., Asso.Prof., 大学院・工学研究科, 助教授 (10169435)
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| Co-Investigator(Kenkyū-buntansha) |
SASAKI Yasushi Hokkaido Univ.Grad.School of Eng., Assi.Lec., 大学院・工学研究科, 助手 (90281782)
ISHII Kuniyoshi Hokkaido Univ.Grad.School of Eng., Prof., 大学院・工学研究科, 教授 (00001214)
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| Project Period (FY) |
1999 – 2000
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| Keywords | thermal diffusivity / thermal conductivity / Molten slag / liquid / hot thermocouple |
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| Research Abstract |
The main purpose of this project has been established. The equipment has been successfully developed and it is working well. From the results of analysis using obtained data, the factors affecting the thermal conductivity measured by present system have been clarified, which were convection, radiation and electron conductivity for ionic slag melt. In high temperature region more than 800℃, a contribution of radiation on the apparent thermal conductivity was significant. Moreover, it was found that the radiation energy from the thermocouple (Pt) affected the measurement of thermal diffusivity, especially for the transparent stag. The effect of radiation was eliminated by theoretical calculation and reasonable values have been obtained.
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