Study on Mist Nozzle Spray Characteristics for Cooling Application

Authors

  • Azwan Sapit Universiti Tun Hussein Onn Malaysia
  • Mohd. Azahari Razali Universiti Tun Hussein Onn Malaysia
  • Akmal Nizam Mohammed Universiti Tun Hussein Onn Malaysia
  • Bukhari Manshoor Universiti Tun Hussein Onn Malaysia
  • Amir Khalid Universiti Tun Hussein Onn Malaysia
  • Hamidon Salleh Universiti Tun Hussein Onn Malaysia
  • Mohd Faisal Hushim Universiti Tun Hussein Onn Malaysia

Keywords:

spray, atomization, mist, water droplet, evaporative cooling

Abstract

Evaporative cooling mist spray is a cost effective solution for many cooling applications. Selection of misting spray nozzle play a major role in order to provide the suitable spraying condition in regards to the application. One of the most widely use mist spray application is evaporative cooling of outdoor open area. This study was carried out to characterized the spray formation, size of droplet, velocity of the droplet and the angle of the spray formation from a commercial mist spray nozzle namely 1/8 SF-CE SM nozzle with 1 mm and 2 mm diameter hole. Water was supplied with different pressure of 1, 2 and 4 bar. High speed video camera and still digital camera using short burst of flash were used to produce the video and image for analysis. The results show that increase in water pressure affect the spray angle, increase droplet speed and decrease droplet size of the mist spray.

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Published

03-09-2019

How to Cite

Sapit, A., Razali, M. A., Mohammed, A. N., Manshoor, B., Khalid, A., Salleh, H., & Hushim, M. F. (2019). Study on Mist Nozzle Spray Characteristics for Cooling Application. International Journal of Integrated Engineering, 11(3). https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/4719

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