Investigation of damping liquids for aircraft instruments (1929)
NASA Technical Reports Server (NTRS) · leaf 18
ed and used instead of 7i«. Let es as given in eq^uation (lOA) represent the proportional error in Vf, when vg is evaluated by formula (12), Putting 630=e, it can be showni that (17) n's-n,= logio (14-e-fij) where satisfies to the first order the relation derived from equation (lOA) and the… … Temperafure, °C, 6 rempsrafure, °C, 8 Fig. is.—Change oC klnematfe Tiscosity vrith temperature. N. butyl Glycer- FiQ. 14.—Change of kinematio Tiscosity with temperature, alcohol and methyl alcoho! ine and SO-SO water and ethyl alcohol As an illustration, suppose that n'^, vg, and /ig are required…
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