An experimental study on effect of disc spacing and disc surface roughness on the performance of Tesla turbine

A breakthrough bladeless turbine, usually referred to as the "Tesla turbine," was one of Nikola Tesla's finest innovations but never saw commercial production. Tesla's original design was hampered by a dearth of technology and knowledge at the time of its creation. This turbine drives a set of stacked discs using frictional and viscous forces rather than blades. Losses in conventional turbines are caused by these factors. Researchers have attempted to create the turbine, but have never been able to match Nikola Tesla's expected efficiency. Tesla's original design was intended to replace inefficient full-scale turbines of the time. Parameters of the Tesla Turbine are the most crucial part of the turbine that influence its efficiency. This project aimed to investigate the effect of some parameters including the distance between the disc and the disc surface roughness towards the efficiency of the turbine. The study proved that reducing the gap between the discs helps to improve the performance of the turbine. This research also found out that surface roughness of the disc gives contribution towards the efficiency of the Tesla Turbine.

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