The demand for affordable, environment-friendly, and reliable water conditioning systems has led to the introduction of several standalone and/or hybrid alternatives. The technology of desiccant evaporative cooling (DEC) has proven to be dependable and has gained success at places where initially it was deemed unfeasible. Today, a number of related technologies and configurations are available. Among them, solar-assisted desiccant cooling system (SADCS) offers a cheap eco-friendly alternative, especially in hybrid configurations. Most studies have investigated the performance of numerous SADCS configurations in specific climatic conditions; however, at the global- and system-level scale, no such study is available. The current study investigates five different SADCS configurations using equation-based object-oriented modeling and simulation approach in five different climatic conditions. The selected climatic conditions cover a wide range of global weather data including arid/semiarid (Karachi), dry summer tropical (Adelaide), and mesothermal (Sao Paulo, Shanghai) to continental conditions (Vienna). The performance of all selected SADCS configurations (ventilation cycle, recirculation and ventilated-recirculation cycles, dunkle and ventilated-dunkle cycle) is analyzed for specified cooling design day of the selected cities. A uniform system control strategy based on the idea of displacement distribution (ventilation) system is used for each configuration and climatic zone. By monitoring their performances based on the values of cooling capacity (CC) and coefficient of performance (COP), the best SADCS configuration is proposed for each considered climatic condition in the world. The results revealed that the climates of Vienna, Sao Paulo, and Adelaide favor the use of ventilated-dunkle cycle configuration with average COP of 0.36, 0.84, and 0.93, respectively, while ventilation cycle based on DEC configuration suits the climate of Karachi and Shanghai with an average COP of 2.32 and 2.90, respectively.
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August 2018
Research-Article
Performance Analysis of Solar-Assisted Desiccant Cooling System Cycles in World Climate Zones
Muzaffar Ali,
Muzaffar Ali
Energy Department,
Austrian Institute of Technology,
Giefinggasse 2,
Vienna 1210, Austria;
Austrian Institute of Technology,
Giefinggasse 2,
Vienna 1210, Austria;
Energy/Mechanical Engineering Department,
University of Engineering and Technology,
Taxila 47050, Pakistan
University of Engineering and Technology,
Taxila 47050, Pakistan
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Vladimir Vukovic,
Vladimir Vukovic
Centre for Construction Innovation and Research,
School of Science, Engineering and Design,
Teesside University,
Middlesbrough TS1 3BX, UK
School of Science, Engineering and Design,
Teesside University,
Middlesbrough TS1 3BX, UK
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Hafiz Muhammad Ali,
Hafiz Muhammad Ali
Energy/Mechanical Engineering Department,
University of Engineering and Technology,
Taxila 47050, Pakistan
e-mail: h.m.ali@uettaxila.edu.pk
University of Engineering and Technology,
Taxila 47050, Pakistan
e-mail: h.m.ali@uettaxila.edu.pk
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Nadeem Ahmed Sheikh
Nadeem Ahmed Sheikh
Mechanical Engineering Department,
HITEC University,
Taxila 47050, Pakistan
HITEC University,
Taxila 47050, Pakistan
Search for other works by this author on:
Muzaffar Ali
Energy Department,
Austrian Institute of Technology,
Giefinggasse 2,
Vienna 1210, Austria;
Austrian Institute of Technology,
Giefinggasse 2,
Vienna 1210, Austria;
Energy/Mechanical Engineering Department,
University of Engineering and Technology,
Taxila 47050, Pakistan
University of Engineering and Technology,
Taxila 47050, Pakistan
Vladimir Vukovic
Centre for Construction Innovation and Research,
School of Science, Engineering and Design,
Teesside University,
Middlesbrough TS1 3BX, UK
School of Science, Engineering and Design,
Teesside University,
Middlesbrough TS1 3BX, UK
Hafiz Muhammad Ali
Energy/Mechanical Engineering Department,
University of Engineering and Technology,
Taxila 47050, Pakistan
e-mail: h.m.ali@uettaxila.edu.pk
University of Engineering and Technology,
Taxila 47050, Pakistan
e-mail: h.m.ali@uettaxila.edu.pk
Nadeem Ahmed Sheikh
Mechanical Engineering Department,
HITEC University,
Taxila 47050, Pakistan
HITEC University,
Taxila 47050, Pakistan
1Corresponding author.
Contributed by the Solar Energy Division of ASME for publication in the JOURNAL OF SOLAR ENERGY ENGINEERING: INCLUDING WIND ENERGY AND BUILDING ENERGY CONSERVATION. Manuscript received March 21, 2017; final manuscript received January 24, 2018; published online April 9, 2018. Assoc. Editor: Wojciech Lipinski.
J. Sol. Energy Eng. Aug 2018, 140(4): 041009 (14 pages)
Published Online: April 9, 2018
Article history
Received:
March 21, 2017
Revised:
January 24, 2018
Citation
Ali, M., Vukovic, V., Muhammad Ali, H., and Ahmed Sheikh, N. (April 9, 2018). "Performance Analysis of Solar-Assisted Desiccant Cooling System Cycles in World Climate Zones." ASME. J. Sol. Energy Eng. August 2018; 140(4): 041009. https://doi.org/10.1115/1.4039426
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