vol26no3pa2

TJES: Hamdoon OM, Al-Ali BM, .Modeling and Simulation of a Desiccant Evaporative Cooling System. Tikrit Journal of Engineering Sciences 2019; 26(3): 10- 18.

APA: Hamdoon OM, Al-Ali BM, (2019). Modeling and Simulation of a Desiccant Evaporative Cooling System. Tikrit Journal of Engineering Sciences, 26(3), 10- 18.

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Tikrit Journal of Engineering Sciences (2019) 26 (3) 10- 18.

Modeling and Simulation of a Desiccant Evaporative Cooling System

Omar M. Hamdoon * Burhan M. Al-Ali

 Mechanical Engineering Dept., Mosul University, Mosul, Iraq

* Corresponding author: eng.omar.hamdoon@gmail.com  

DOI: http://doi.org/10.25130/tjes.26.3.02

Abstract

This paper studies the performance of a proposed desiccant assisted air conditioning system operating under the hot and dry climate conditions of Mosul city, Iraq. The proposed system consists of three stages: indirect/direct evaporative cooler, an enthalpy wheel, and a traditional vapor compression system. The performance of the suggested system is compared with that of the vapor compression system operating at the same conditions. The simulation results showed that an optimum rotational speed of 12.5 rpm is required for the enthalpy wheel to achieve the best system performance. The simulation results also showed the ability of the proposed system to achieve a power consumption saving of 51.03%, in the ventilation mode, and 22.93%, in the mixing mode with a ventilation mixing ratio of 0.4 when compared to the vapor compression system.

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Keywords: Indirect / direct evaporative cooler, Desiccant cooling, Enthalpy wheel, Simulation.

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