﻿ 喷嘴安装角对管道喷雾降温影响的研究

# 喷嘴安装角对管道喷雾降温影响的研究Investigation of the Influence of Nozzle Install Angles to Spay Cooling Effect in Industrial Pipe by Numerical Simulation

Abstract: This paper investigates how different spray nozzle install angle influence the spray cooling effect inside an industrial exhaust pipe by numerical simulation software CFX. DDM (Dispersion Droplet Model) is applied to describe the motion and heat transfer progress of the atomized water droplet; the size and the distribution of the water particles used in calculation are given according to experiments. The particle tracks and the temperature distributions of each spray nozzle install angle with different spray mass flow are discussed basing on the simulation results. In conclusion, when the spray droplets are not completely vaporized and the nozzle install angle is 180˚, the spray cooling effect is the most satisfied.

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