COOLING OF A HOT SUBSTRATE WITH SUPERSONIC NOZZLE

Simon Esau, Rifat Kabir, John Kizito

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Supersonic flow cooling has always been an interesting topic to study. The primary objective of this current paper is to analyze the cooling of a hot surface using an impinging jet created by a supersonic nozzle. Different parametric studies have been conducted to examine the effect of using supersonic flow over a hot surface with the purpose of cooling. A supersonic nozzle expands the surrounding air drastically and results in reducing temperature and pressure. The coolant considered in this paper is air. Comparative studies have been made to show the effectiveness of cooling using a converging nozzle and a converging-diverging nozzle. Supersonic flow through the converging-diverging nozzle shows more cooling than the other one. With the help of a conical shape facing the nozzle, the shock was reduced at the point of impact between the supersonic jet and the heated surface.
Original languageEnglish
Title of host publicationUnknown book
Pages17-Nov
VolumeVolume 17, 2018
StatePublished - 2019

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