Energy Saving Potential of Hybrid Liquid Desiccant and Evaporative Cooling Air-conditioning System in Hong Kong

Chen, Yi; Luo, Yimo; Yang, Hongxing

doi:10.1016/j.egypro.2017.03.601

Cited by 18 publications

(3 citation statements)

References 2 publications

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“…The energy and mass conservation equations for dehumidification channels are shown as Eq. ( 3) to (4).…”

Section: Methodsmentioning

confidence: 99%

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Energy Performance of Internally Cooled Desiccant Enhanced Evaporative Cooling System in Hong Kong

Yanling¹,

Zhang²,

Zhang³

et al. 2022

Preprint

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The application of an internally cooled desiccant enhanced evaporative cooling system (ICDEVap) in Hong Kong is a promising scheme for energy saving and emission reduction. It consists of liquid desiccant dehumidification (LDD) and regenerative indirect evaporative cooling (RIEC) and can operate without a power-intensive compressor. The hot and humid air is first dehumidified by the internal cooling-LDD, and then sensibly cooled by the RIEC. To ensure efficient energy utilization and better indoor air quality simultaneously, the return air is indirectly utilized in the internal cooling of the LDD, which alleviates the efficiency deterioration of the desiccant. The influence of the return air ratio on the system performance is analyzed. The results show that the ICDEVap system operating at the optimal return air ratio saves 48% of the energy consumption compared to the mechanical vapor compressor refrigeration (MVCR) system in Hong Kong summer.

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“…The energy and mass conservation equations for dehumidification channels are shown as Eq. ( 3) to (4).…”

Section: Methodsmentioning

confidence: 99%

“…Previous studies on LDD-IEC [4][5][6] have amply demonstrated the excellent performance of this system in terms of energy efficiency and cooling effectiveness.…”

Section: Introductionmentioning

confidence: 99%

Energy Performance of Internally Cooled Desiccant Enhanced Evaporative Cooling System in Hong Kong

Yanling¹,

Zhang²,

Zhang³

et al. 2022

Preprint

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show abstract

“…Wang et al [20] developed a dynamic model to design a liquid desiccant hybrid air conditioning system. Chen et al [21] proposed hybrid liquid desiccant dehumidification and evaporative cooling system. The energy-saving ratio increases significantly compared to conventional vapour compression.…”

Section: Introductionmentioning

confidence: 99%

Hybrid liquid desiccant air-conditioning system with a direct expansion evaporative cooler

Obeid¹,

Abdalla²,

Horr³

2022

kuej

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There is a need to control air temperature and humidity in humid regions, especially when fresh air is demanded. This study investigates the performance of a hybrid liquid desiccant (LD) air-conditioning system with a direct expansion (DX) evaporative cooler. Temperature, relative humidity, and power consumption were measured and reported using a wireless data-logging system at the air conditioning unit's key locations. The results showed that the hybrid unit reached a 34 % saving in the cooling load. In addition, the air hybrid liquid desiccant air-conditioning system with the direct expansion evaporative cooler saved about 32% in power consumption, compared to an uncooled desiccant air conditioning system that saved 23%.

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Experimental and Theoretical Analysis of CaCl2 Liquid Desiccant System with Solar Regeneration

Sarukasan¹,

Sudharson²,

Thirumavalavan³

et al. 2022

Recent Advances in Energy Technologies

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Energy Saving Potential of Hybrid Liquid Desiccant and Evaporative Cooling Air-conditioning System in Hong Kong

Cited by 18 publications

References 2 publications

Energy Performance of Internally Cooled Desiccant Enhanced Evaporative Cooling System in Hong Kong

Energy Performance of Internally Cooled Desiccant Enhanced Evaporative Cooling System in Hong Kong

Hybrid liquid desiccant air-conditioning system with a direct expansion evaporative cooler

Experimental and Theoretical Analysis of CaCl2 Liquid Desiccant System with Solar Regeneration

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