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Temperature measurements have been made both vertically and transversely in the plume of air rising by natural convection from an electrically heated gauze in a still atmosphere. Schlieren methods made the air stream visible, so that the type of air flow could be observed at different levels. The results are in good agreement with the dynamical theory of naturally convected gases developed by O. G. Sutton.
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W Railston (1954) studied this question.
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