Thermal Convection Caused by Ring-Type Heat Source
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概要
- 論文の詳細を見る
Flow field due to thermal convection upon a ring type heat source is studiednumerically' and exrerimentall>', which simulates horefull>z the flow due to thedevastating ccmbustion just after the Great Kanto Earthquake. New nu.mericalscheme was developed, which enables us to treat accurately singular or non-uniform grid system in finite-difference method. In experimental measurements,extremely low velocity and its fluctuation were detected by laser doppler veloci-meter. Both results show the ma.in flow due to the convection is strongly con-centrated within the central portion above the ring where no heat is supplied at thebottcm. Conspicuous unsteadiness was observed, which is considered to be themain cause of the tornado at the calamity of the Great Kanto Earthquake.[Thermal convection, Fire torttado, Numerical simulation, Experimental ]I measurement, LDV.ll
- 社団法人日本物理学会の論文
- 1982-11-15
著者
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OSHIMA YUKO
Department of Biological Function and Genetic Resources Science, Faculty of Agriculture, Okayama Uni
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Oshima Yuko
Department Of Biological Function And Genetic Resources Science Faculty Of Agriculture Okayama Unive
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Kuwahara Kunio
The Institute of Space and Astronautical Science
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Oshima Yuko
Department Of Physics Ochanomizu University
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