Abstract
IN connexion with the flow of air and water through very narrow channels discussed recently1, certain experiments which were conducted in our laboratories may be of interest2. In these experiments dry air was passed through highly impervious limestone and sandstone cylindrical specimens, and the necessary measurements of pressure, rates, temperatures, etc., taken. It was found that flow of air under such conditions exhibited certain anomalies which led us to believe that there is a sub-viscous regime of flow.
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References
Reckie, J., and Aird, J., Nature, 156, 367–368 (1945).
Nissan, A. H., Nature, 148, 503 (1941).
Grunberg, L., and Nissan, A. H., J. Inst. Petrol., 29, 193 (1943).
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NISSAN, A. Flow of Water Through Very Narrow Channels. Nature 157, 267–268 (1946). https://doi.org/10.1038/157267c0
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DOI: https://doi.org/10.1038/157267c0
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