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An Investigation into Thermal Performance of Closed Wet Cooling Tower for Use with Chilled Ceilings in Buildings | ||
| Journal of Engineering | ||
| Article 1, Volume 21, Issue 8, 2015, Pages 116-138 | ||
| Authors | ||
| Najim Abid Jassim; Athraa Hameed Turki | ||
| Abstract | ||
| Chilled ceilings systems offer potential for overall capital savings. The main aim of the present research is to investigate the thermal performance of the indirect contact closed circuit cooling tower, ICCCCT used with chilled ceiling, to gain a deeper knowledge in this important field of engineering which has been traditionally used in various industrial & HVAC systems. To achieve this study, experimental work were implemented for the ICCCCT use with chilled ceiling. In this study the thermal performances of closed wet cooling tower use with chilled ceiling is experimentally and theoretically investigated. Different experimental tests were conducted by varying the controlling parameters to investigate their effects on the ICCCCT characteristics such as tower cooling capacity, chilled ceiling cooling capacity, tower saturation efficiency, mass transfer coefficient and heat transfer coefficient. The following controlling parameters are varied during experiments: spray water flow rate (90 to 150 kg/hr), ambient air wet bulb temperature (12 to 18 oC), and also changing chilled ceiling flow rate (2 to 6 l/min). | ||
| Keywords | ||
| Cooling tower; chilled ceiling; Droplet trajectory; Two; Phase Flow; Computational fluid dynamics | ||
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