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On the modelling of isothermal gas flows at the microscale

This paper reports two advances in understanding rarefied gas micro flows: the first benchmark case for extended hydrodynamic models that decouples bulk flow behaviour from flow at boundaries; and a radical wall-scaling technique for hydrodynamic modelling of critical near-surface rarefaction effects that is validated for the dynamics of microspheres. This work influenced groups in: Japan, DoI:10.1016/j.ijheatmasstransfer.2010.03.020; USA, DoI:10.1016/j.ijengsci.2012.01.006; China, DoI:10.1080/10407791003749159; France, DoI:10.1007/s10404-009-0532-4; and Romania, DoI:10.1103/PhysRevE.86.016708. This work has also featured in reviews: China, DoI:10.1007/s10404-012-1012-9, France, DoI:10.1115/1.4005063; and Canada, DoI:10.1093/imamat/hxr004. The work has underpinned subsequent awards EP/I036117/1 £352k, and EP/K004670/1 £499k.