Heat and mass transfer characteristics in a spray chamber

被引：5

作者：

Wiksten, Ralf ^{[1
]}

Assad, Mamdouh El Haj ^{[1
]}

机构：

[1] Helsinki Univ Technol, Lab Appl Thermodynam, FIN-02150 Espoo, Finland

来源：

INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2007年 / 30卷 / 07期

关键词：

air conditioning; humidifier; modelling; heat transfer; mass transfer; drops; parameter; geometry; speed;

D O I：

10.1016/j.ijrefrig.2007.02.013

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper presents a one-dimensional mathematical model for heat and mass transfer of water droplets in a spray chamber. The model includes drop size distribution and velocity of the droplets generated by a nozzle of inlet diameter 3.2 mm. By using the conservation of mass and energy, the changes in water temperature, air temperature and humidity along the spray cone in the spray chamber can be calculated. This model is tested with two different water mass flows. The results look reasonable from practical point of view and they also show that higher water mass flow results in a higher air temperature drop and higher humidity. (C) 2007 Elsevier Ltd and IIR. All rights reserved.

引用

页码：1207 / 1214

页数：8

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