State of the art on phase change material slurries

Youssef, Ziad; Delahaye, Anthony; Huang, Li; Trinquet, F.; Fournaison, Laurence; Pollerberg, Clemens; Doetsch, Christian

doi:10.1016/j.enconman.2012.07.004

Cited by 140 publications

(53 citation statements)

References 106 publications

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“…Another main disadvantage in using metallic materials is that they displace a considerable amount of PCM and increase the weight of the dispersed phase thus causing sedimentation [51,53]. As a result some investigations involving the use of lightweight materials such as carbon fibres and nanofibres have been carried out [54][55][56].…”

Section: Thermophysical Properties: Thermal Conductivitymentioning

confidence: 99%

“…In addition, high temperature could enhance the conductivities by increasing the molecular activeness. Although there are some empirical correlations such as the Eurken's model [51] and laws of mixtures [40] available for calculating thermal conductivities of PCME, they are not considered to be sophisticated and robust enough for high level accurate results.…”

Section: Thermophysical Properties: Thermal Conductivitymentioning

confidence: 99%

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Review of phase change emulsions (PCMEs) and their applications in HVAC systems

Shao

Darkwa

Kokogiannakis

2015

Energy and Buildings

102

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Phase change material emulsions (PCMEs) are multifunctional fluids consisting of phase change materials (PCMs) and carrier fluids. PCMEs could be potential candidates as heat transfer media in heating, ventilation and air conditioning (HVAC) systems. This is mainly because PCME could take advantage of its high heat capacity to reduce flow rate and thus saving pumping power whilst delivering the same amount of cooling effect. PCME can also simultaneously act as cold storage to shift peak-load to off-peak time and improve the COP of systems. However, the optimum design of integrated system requires a good understanding of flow behaviour and heat transfer characteristics of PCMEs. In this paper, comprehensive reviews of their thermophysical properties and potential applications as thermal energy storage and as alternative heat transfer fluids in air conditioning systems have been carried out to establish their limitations for future research. systems. This is mainly because PCME could take advantage of its high heat capacity to reduce flow rate and thus saving pumping power whilst delivering the same amount of cooling effect. PCME can also simultaneously act as cold storage to shift peak-load to off-peak time and improve the COP of systems. However, the optimum design of integrated system requires a good understanding of flow behaviour and heat transfer characteristics of PCMEs. In this paper, comprehensive reviews of their thermo-physical properties and potential applications as thermal energy storage and as alternative heat transfer fluids in air conditioning systems have been carried out to establish their limitations for future research.

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Section: Thermophysical Properties: Thermal Conductivitymentioning

confidence: 99%

Section: Thermophysical Properties: Thermal Conductivitymentioning

confidence: 99%

Review of phase change emulsions (PCMEs) and their applications in HVAC systems

Shao

Darkwa

Kokogiannakis

2015

Energy and Buildings

102

View full text Add to dashboard Cite

show abstract

“…Through microencapsulating and isolating PCM from its surroundings and the carrier fluid, the PCM is less likely to hamper the heat transfer process [18]. Microencapsulated PCM slurry, semi-clathrate hydrate slurry, shape-stabilized PCM slurry and PCM emulsions are the common approaches to form the heat transfer fluids in a range of melting temperature from 0°C to 20 °C [19]. These potentials allow the increase of system energy efficiency, and the reduction of pipe size and collector area, moreover save pumping power consumption due to less quantity of heat transfer fluids [19].…”

Section: Pcm-based Facade Bist Technologymentioning

confidence: 99%

“…Microencapsulated PCM slurry, semi-clathrate hydrate slurry, shape-stabilized PCM slurry and PCM emulsions are the common approaches to form the heat transfer fluids in a range of melting temperature from 0°C to 20 °C [19]. These potentials allow the increase of system energy efficiency, and the reduction of pipe size and collector area, moreover save pumping power consumption due to less quantity of heat transfer fluids [19]. But till now, more applications of PCM [20][21][22][23][24][25] have been found in the BIST system for the function of thermal storage with the characteristics of a great thermal energy storage capacity, a high heat transfer property and a positive phase change temperatures.…”

Section: Pcm-based Facade Bist Technologymentioning

confidence: 99%

Building Integrated Solar Thermal (BIST) Technologies and Their Applications: A Review of Structural Design and Architectural Integration

Shen¹,

Wang²,

Tang³

et al. 2015

J Fundam Renewable Energy Appl

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“…Clathrate hydrates have been studied as a technology for gas storage and separation [15,16], but thanks to formation occurring also at ambient pressure and a high latent heat, they are also good candidates for being used as a PCM [17].…”

Section: Introductionmentioning

confidence: 99%

Clathrate Hydrates for Thermal Energy Storage in Buildings: Overview of Proper Hydrate-Forming Compounds

Castellani¹,

Morini

Filipponi

et al. 2014

Sustainability

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Increasing energy costs are at the origin of the great progress in the field of phase change materials (PCMs). The present work aims at studying the application of clathrate hydrates as PCMs in buildings. Clathrate hydrates are crystalline structures in which guest molecules are enclosed in the crystal lattice of water molecules. Clathrate hydrates can form also at ambient pressure and present a high latent heat, and for this reason, they are good candidates for being used as PCMs. The parameter that makes a PCM suitable to be used in buildings is, first of all, a melting temperature at about 25 °C. The paper provides an overview of groups of clathrate hydrates, whose physical and chemical characteristics could meet the requirements needed for their application in buildings. Simulations with a dynamic building simulation tool are carried out to evaluate the performance of clathrate hydrates in enhancing thermal comfort through the moderation of summer temperature swings and, therefore, in reducing energy consumption. Simulations suggest that clathrate hydrates have a potential in terms of improvement of indoor thermal comfort and a reduction of energy consumption for cooling. Cooling effects of 0.5 °C and reduced overheating hours of up to 1.1% are predicted. OPEN ACCESSSustainability 2014, 6 6816

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State of the art on phase change material slurries

Cited by 140 publications

References 106 publications

Review of phase change emulsions (PCMEs) and their applications in HVAC systems

Review of phase change emulsions (PCMEs) and their applications in HVAC systems

Building Integrated Solar Thermal (BIST) Technologies and Their Applications: A Review of Structural Design and Architectural Integration

Clathrate Hydrates for Thermal Energy Storage in Buildings: Overview of Proper Hydrate-Forming Compounds

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