This special issue of Sadhana is a compilation of invited papers from the 42nd National Conference on Fluid Mechanics and Fluid Power (FMFP), held at National Institute of Technology,. Surathkal, Karnataka, during December 14–16, 2015.Broadly speaking, Fluid Mechanics is a branch of continuum mechanics that describes the motion of fluids (liquids and gases). The subject has a long and rather rich history, starting perhaps with Archimedes’ ‘‘Eureka’’ moment. Importantly,solution for some of the most challenging problems being faced by our society today, e.g., prediction of climate, harnessing of renewable energy (e.g., via wind, hydrokinetic generators), creating low-cost healthcare (e.g., via point-of-care medical testing) and improvement of energy efficiency of fluid power systems, depends on improving our understanding of Fluid Mechanics.
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