This paper begins by developing the proposition that the objectives of turbulence research need to be discussed because there are such widely differing views on this topic. Some studies, based on the idea that turbulence is a state of nature, are said to be contributions toward a general theory or general models of turbulence, whereas others reject this approach and are deliberately focused on a more restricted range of flow phenomena-hence, the title of the paper. It is argued here that, based on scaling arg…
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