Notices of the proceedings at the meetings of the members of the Royal Institution of Great Britain with abstracts of the discourses . Fig. 1. table (Fig. 1) to be gradually twisted over to the right by a forceapplied along the top. Then the slower the block twists the moreviscous it is said to be. Tube Method. The viscosity of the substances at the more liquid end of thebenzine-pitch series, can be determined by observing the rate at whichthey can be forced to move through tubes under recognised 2 shows how a layer in such a tube lying between two cross. Fig. 2. Fig. 3. sectio
Notices of the proceedings at the meetings of the members of the Royal Institution of Great Britain with abstracts of the discourses . Fig. 1. table (Fig. 1) to be gradually twisted over to the right by a forceapplied along the top. Then the slower the block twists the moreviscous it is said to be. Tube Method. The viscosity of the substances at the more liquid end of thebenzine-pitch series, can be determined by observing the rate at whichthey can be forced to move through tubes under recognised 2 shows how a layer in such a tube lying between two cross. Fig. 2. Fig. 3. sections at any moment, becomes bent forward at its centre as the flowproceeds. The little square shown in the first position has taken upa skewed shape in the second. This helps us to see that we have in 488 Professor F. T. Trouton [March 11, this case the same kind of motion as contemplated in the definitionabove referred to. The subjoined table exhibits the determinationsmade in this way for five of the substances in the series. Torsion Method. The viscosity in the case of the more viscous materials of theseries was in the first instance determined by a method in which acolumn or rod was twisted round and round, one end being the amount of the twist required to force it to turn at a givenrate, the viscosity can be calculated. The table shows the valuefound in this way for several substances. The apparatus employed in these determinations consisted in ahorizontal shaft turning on anti-friction wheels, round which a cord Torsional Force removed. t r o too eo
Size: 1931px × 1293px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorroyalins, bookcentury1800, bookdecade1850, bookyear1851
