Achieving better energy-efficient air conditioning – A review of technologies and strategies

Chua, K.J.; Chou, S.K.; Yang, Wenbo; Yan, Jinyue

doi:10.1016/j.apenergy.2012.10.037

Cited by 756 publications

(289 citation statements)

References 88 publications

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“…Among them are: technologies, codes/regulations, control strategies, envelope design, building fabric, among others, Zhao and Magoulès, 2012;Chua et al, 2013;Devabhaktuni et al, 2013;Haq et al, 2014;Lamnatou et al,2015; .…”

Section: Introductionmentioning

confidence: 99%

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A study on the effect of ground surface boundary conditions in modelling shallow ground heat exchangers

Bortoloni¹,

Bottarelli²,

2017

Applied Thermal Engineering

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Section: Introductionmentioning

confidence: 99%

“…Hence it is undoubted that, the increase in electricity consumption in commercial and institutional building above residential sector has contributed significantly by some of the key issues indicated above. Consequently, improving energy efficiency in buildings is today a prime objective for global energy policy makers, Chua et al, 2013.…”

Section: Introductionmentioning

confidence: 99%

A study on the effect of ground surface boundary conditions in modelling shallow ground heat exchangers

Bortoloni¹,

Bottarelli²,

2017

Applied Thermal Engineering

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“…It has been reported that energy consumption of an air conditioning system exceeds 50% of the total energy usage of a building in the hot and humid climate [3]. On the other hand, the associated risks of mechanical vapour compression system such as leakage, bacterial breeding, and fungi due to water condensation on the cooling coil surface, have been noticed with prominent effects on indoor air quality and occupants' health.…”

Section: Introductionmentioning

confidence: 99%

Performance assessment of a membrane liquid desiccant dehumidification cooling system based on experimental investigations

Chen

Zhu

Bai

2017

Energy and Buildings

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A membrane-based liquid desiccant dehumidification cooling system is studied in this paper for energy efficient air conditioning with independent temperature and humidity controls. The system mainly consists of a dehumidifier, a regenerator, an evaporative cooler and an air-to-air heat exchanger. Its feasibility in the hot and humid region is assessed with calcium chloride solution, and the influences of operating variables on the dehumidifier, regenerator, evaporative cooler and overall system performances are investigated through experimental work. The experimental results indicate that the inlet air condition greatly affects the dehumidification and regeneration performances. The system regeneration temperature should be controlled appropriately for a high energy efficiency based on the operative solution concentration ratio. It is worth noting that the solution concentration ratio plays a considerable role in the system performance. The higher the solution concentration ratio, the better the dehumidification performance. However simultaneously more thermal input power is required for the solution regeneration, and a crystallization risk in the normal operating temperature range should be noted as well. The system mass balance between the dehumidifier and regenerator is crucial for the system steady operation. Under the investigated steady operating condition, the supply air temperature of 20.4°C and system COP of 0.70 are achieved at a solution concentration ratio of 36%.

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“…The utilization of DR strategies is considered as mature for industrial customers, but this is a relatively new concept for employing in residential areas responsible for nearly 40% of energy consumption in the world [81]. There are many supporting devices/technologies for DR activities in residential areas.…”

Section: Demand-side Managementmentioning

confidence: 99%

Overview of insular power systems under increasing penetration of renewable energy sources: Opportunities and challenges

Erdinç

Paterakis

Catalào

2015

Renewable and Sustainable Energy Reviews

112

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Insular electricity grids are considered to have a more fragile structure than the mainland ones due to several factors such as the lower inertia because of lower number of generation facilities connected to the system, absence or insufficient interconnection with the main grid, etc. The recent trend of integrating large portions of environmentally sustainable power generation units that have a significantly volatile nature in the generation mix (such as wind and solar energy conversion systems) within this fragile structure, poses profound challenges that need deeper and specific analysis. This study aims to provide an overview of insular power system structures and operational requirements, especially under increasing penetration of renewable energy sources. Firstly, a general evaluation of insular power systems is presented. Then, potential challenges are thoroughly discussed together with opportunities to tackle them. Future technological developments, as well as innovative applications are also given special attention. Hence, this paper contributes to the scarce literature regarding insular power systems by providing a critical overview of issues regarding their operation and possible solutions.

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Achieving better energy-efficient air conditioning – A review of technologies and strategies

Cited by 756 publications

References 88 publications

A study on the effect of ground surface boundary conditions in modelling shallow ground heat exchangers

A study on the effect of ground surface boundary conditions in modelling shallow ground heat exchangers

Performance assessment of a membrane liquid desiccant dehumidification cooling system based on experimental investigations

Overview of insular power systems under increasing penetration of renewable energy sources: Opportunities and challenges

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