Effect of Operating Conditions on the Performance of Adsorption Solar Cooling Run by Solar Collectors

Rouf, Rifat Ara; Alam, Khurshid; Khan, Md. Abdul Hakim

doi:10.1016/j.proeng.2013.03.166

Cited by 20 publications

(13 citation statements)

References 17 publications

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“…For the climatic condition of Dhaka, Bangladesh, 13 collectors each of area 2.415 m 2 with cycle time 1000s is enough to raise sufficient bed temperature to run the silica gel-water adsorption cooling system with direct coupling of solar collector [20]. However, the present system needs to first heat up the water of the reserve tank and then the collector is able to provide the system enough heat to run the cooling unit.…”

Section: Resultsmentioning

confidence: 99%

“…The radiation of sun has been simulated as sine function: [20] and collector data are same as Alam et al [16]. During April in Dhaka, the sunrise time is 5.5h and sun sets at 18.5h, whereas maximum temperature is 34°C and minimum temperature is 24°C.…”

Section: Mathematical Modellingmentioning

confidence: 99%

“…The set of differential equations (1) to (10) has been solved by implicit finite difference approximation method. To simulate solar radiation, an analytical function (sine function), equation (20), has been considered in which only maximum radiation data during a day is required. The cooling water inlet temperature is kept constant and it is 31ºC while the chilled water inlet is at 14ºC.…”

Section: Mathematical Modellingmentioning

confidence: 99%

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Autonomous Adsorption Cooling—Driven by Heat Storage Collected from Solar Heat

Alam

Rouf

Saha

et al. 2015

Heat Transfer Engineering

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The study investigates the performance of an adsorption chiller driven by thermal heat collected from solar collectors' panel with heat storage. The heat is reserved in a storage tank and the reserved heat is used to drive the adsorption chiller. The investigation was carried on the climatic conditions of Dhaka, Bangladesh. Heat transfer fluid goes from collectors to adsorption cooling unit, then from adsorption cooling unit to storage tank. It is seen that heat storage is more effective than the direct solar coupling; however, it requires more collectors depending on the size of the storage tank. The analysis shows that cycle time is one of the most influential parameter for solar driven adsorption cooling system. It is seen that the size of collector can be reduced if proper cycle time was adjusted. The analysis also revealed that the system with 22 collectors (each of 2.415m 2 ) along with 1000s cycle time provides better performance for the base run conditions. It is also seen that the solar driven adsorption chiller with heat storage works well beyond the sunset time.

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Section: Resultsmentioning

confidence: 99%

Section: Mathematical Modellingmentioning

confidence: 99%

Section: Mathematical Modellingmentioning

confidence: 99%

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Autonomous Adsorption Cooling—Driven by Heat Storage Collected from Solar Heat

Alam

Rouf

Saha

et al. 2015

Heat Transfer Engineering

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“…Adsorption cooling system has numerous advantages, such as using low grade heat source temperature, employing of natural refrigerants such as water, less moving mechanical parts, noiseless, low maintenance and environment-friendly [4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

An overview on adsorption cooling systems powered by waste heat from internal combustion engine

Hamdy

Askalany

Harby

et al. 2015

Renewable and Sustainable Energy Reviews

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“…Based on the climatic condition of Dhaka, Rouf et al [16] investigated performance on collector area and cycle time for solar driven adsorption chiller. Later effect of the operating conditions on the performance of the system has been studied for the same conditions [17]. Lately, performance of an adsorption cooling system added with a storage tank has been discussed by Rouf et al [18] for climatic condition of Dhaka.…”

Section: Introductionmentioning

confidence: 99%

Solar Adsorption Cooling and Hot Water Supply for Climatic Condition of Dhaka

Rouf

Alam

Khan

2015

Procedia Engineering

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For the climatic condition of a tropical country like Bangladesh, solar heat driven adsorption cooling seems to have great prospect. Installation cost is one of the foremost drawbacks of such a system. Although, once installed, system maintenance and operation cost is negligible. Besides, the solar unit can not only support as a cooler for adsorption space cooling purpose during summer season but also as a source of hot water supply for domestic use during the winter season. A conventional two bed basic adsorption chiller, driven by solar heat run by silica gel-water pair as adsorbent and adsorbate respectively, has been investigated for the climatic condition of Dhaka 6 4 23 N (latitude), and 3 2 90 E (longitude). 30 enhanced compound parabolic concentrator (CPC) collectors each of area 2.415 m 2 along with a hot water storage tank of volume 2.197 liters is optimum for considered climatic condition. With such a unit 30.27°C continuous water supply during the peak hours can be assured, with the storage of 44.77°C of hot water in the month of January.

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Effect of Operating Conditions on the Performance of Adsorption Solar Cooling Run by Solar Collectors

Cited by 20 publications

References 17 publications

Autonomous Adsorption Cooling—Driven by Heat Storage Collected from Solar Heat

Autonomous Adsorption Cooling—Driven by Heat Storage Collected from Solar Heat

An overview on adsorption cooling systems powered by waste heat from internal combustion engine

Solar Adsorption Cooling and Hot Water Supply for Climatic Condition of Dhaka

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