Analysis of Dropwise Condensation Using Nano Fluids as Coolant

Improving the efficiency of the thermal power plant by introducing a newer technology Dropwise condensation (DW C) with Nano fluids as coolant in condensation unit. Drop wise condensation (DWC) is under development as it offers extremely high heat transfer (4-8 times higher) by preventing the build up of the condensate liquid layer formed in the film wise condensation (FWC). This project work is an experimental based and objective is to break the condensate formed on the cold surface so as to improve the heat transfer rate. Hence an analysis has been done over circular, and bundle of tubes. In this present project work vapour deposition method is used for coating the copper tubes by POLY TETRA FLUORO ETHYLENE (TEFLON) is used to promote the drop wise condensation. Instead of cooling water Nano fluids are used to improve the heat transfer rate. The characteristics of drop wise condensation on circular, and bundle of tubes are experimentally studied and their results are compared. Correlations have been derived.