Events in Physics
Thursday, November 01, 2018
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Theory Seminar: Shigeyuki Komura (Tokyo), A three-sphere microswimmer in a structured fluidPS1.28We discuss the locomotion of a three-sphere microswimmer in a viscoelastic structured fluid characterized by typical length and time scales [1]. We derive a general expression to link the average swimming velocity to the sphere mobilities. In this relationship, a viscous contribution exists when the time-reversal symmetry is broken, whereas an elastic contribution is present when the structural symmetry of the microswimmer is broken. As an example of a structured fluid, we consider a polymer gel, which is described by a ``two-fluid" model. We demonstrate in detail that the competition between the swimmer size and the polymer mesh size gives rise to the rich dynamics of a three-sphere microswimmer. |
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The Royal Society invites applications for its short industry fellowship. This enables an academic scientist to work on a collaborative project with industry, or a scientist employed in industry to work on a collaborative project with a university department or not-for-profit research organisation. Projects should be in the field of natural sciences, including biological research, chemistry, engineering, mathematics and physics, but excluding clinical medicine. Applicants must hold a PhD or be of equivalent standing in their profession, and a permanent post in either a UK university, a not-for-profit research organisation or UK industry. Applicants can be of any nationality and should be at a stage in their career when they would particularly benefit from establishing or strengthening personal and corporate links between the two sectors. Eligible academic institutions include UK universities and non-profit research organisations. Applications involving small companies or early-stage companies, provided they have a well-established research team and facilities, are encouraged. The fellowship covers the fellow鈥檚 basic salary during the secondment and research expenses up to the value of 拢1,000. Awards can be held full time for three to six months, or pro rata at 50 per cent part-time for up to 12 months enabling fellows to maintain links with their employing institution more easily |