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Violent explosive eruptions occurred between c. 51 and 29 thousand years ago—during the Last Glacial Maximum in East‐Central Europe—at the picturesque volcano of Ciomadul, located at the southernmost tip of the Inner Carpathian Volcanic Range in Romania. Field volcanology, glass geochemistry of tephra, radiocarbon and optically stimulated luminescene dating, along with coring the lacustrine infill...
In a recent paper by B. K. Jha and A. O. Ajibade (ZAMM 90, 185–193 2010) the title problem for the fully developed flow regime was investigated and exact analytical solutions for the velocity and temperature fields were reported. However, when the Prandtl number equals unity, some coefficients become singular and thus the velocity solution of Jha and Ajibade cannot be evaluated by a direct substitution...
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