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The Cohesion number (Coh) is a useful dimensionless number in particle technology by which the cohesivity of different powders can be compared. This is especially useful in DEM simulations of granular materials where scaling of the size and stiffness of the particles are inevitable due to the computationally demanding nature of the DEM modelling.
Kevin Kendall FRS is a British physicist who received a London external BSc degree at Salford CAT in 1965 while working as an engineering apprentice at Joseph Lucas Gas Turbine Ltd. He became interested in surface science during his Ph.D. study in the Cavendish Laboratory and devised a novel method for measuring the true contact area between solids using an ultrasonic transmission. That led to new arguments about the adhesion of contacting solids, giving a theory of adhesion and fracture that applies to a wide range of problems of high industrial significance, especially in the chemical industry where fine particles stick together tenaciously. His book Crack Control published by Elsevier summarizes many of these applications.
References
- 1 2 "Alan D. Roberts: 2014 Charles Goodyear Medalist". Rubber Chemistry and Technology. 87 (3): G2–G3. 2014. doi:10.5254/rct.14.bio8703.
- 1 2 Johnson, K. L.; Kendall, K.; Roberts, A. D. (1971). "Surface Energy and the Contact of Elastic Solids". Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 324 (1558): 301. Bibcode:1971RSPSA.324..301J. doi: 10.1098/rspa.1971.0141 .
- ↑ "ORAL HISTORY INTERVIEWS". rubber.org. ACS Rubber Division. Retrieved 9 October 2022.
- ↑ Ciavarella, M.; Joe, J.; Papangelo, A.; Barber, J. R. (2019-02-28). "The role of adhesion in contact mechanics". Journal of the Royal Society Interface. 16 (151): 20180738. doi:10.1098/rsif.2018.0738. PMC 6408355 . PMID 30958203.