Development and thermal characteristics of a novel composite oleic acid for cold storage, Développement et caractéristiques thermiques d'un nouvel acide oléique composite pour le stockage frigorifique

L. Jiang; R.Z. Wang; A.P. Roskilly

doi:10.1016/j.ijrefrig.2019.01.025

Development and thermal characteristics of a novel composite oleic acid for cold storage, Développement et caractéristiques thermiques d'un nouvel acide oléique composite pour le stockage frigorifique

L. Jiang^* (Corresponding Author), R.Z. Wang, A.P. Roskilly

^*Corresponding author for this work

Engineering

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

This paper presents a novel composite material for cold storage. Oleic acid is selected as phase change material whereas carbon coated aluminum is adopted as additive. Thermal conductivities and viscosities of samples are investigated by light flash method and viscometer. Phase change temperature and latent heat are analyzed through DSC measurements. It is indicated that thermal conductivities of composite oleic acid using nanoparticles are remarkably improved when compared with pure sample. The highest thermal conductivity of composite oleic acid with 1 wt% mass ratio of Al@C could reach 0.42 W m−1 K−1, which is 2 times higher than that of pure oleic acid. When testing temperature increases from 25°C to 75°C, dynamic viscosities decrease from 3.67 mPa s to 1.062 mPa s. Phase change temperature and latent heat are slightly shifted from that of pure oleic acid. This novel composite oleic acid reveals vast potentials to stabilize the performance of solar sorption cooling system.

Original language	English
Pages (from-to)	55-62
Number of pages	8
Journal	International Journal of Refrigeration
Volume	100
Early online date	24 Jan 2019
DOIs	https://doi.org/10.1016/j.ijrefrig.2019.01.025
Publication status	Published - Apr 2019

Bibliographical note

Acknowledgements This research was supported by National Natural Science Foun- dation of China under contract number ( 51606118 ), Innovative Re- search Groups under contract number (51521004), Heat-STRESS project (EP/N02155X/1) and Centre for Energy Systems Integration (EP/P001173/1) funded by Engineering and Physical Science Re- search Council of the UK.

Keywords

Oleic acid
Carbon coated aluminum
Thermal conductivity
Solar sorption

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Development and thermal characteristics of a novel composite oleic acid for cold storage, Développement et caractéristiques thermiques d'un nouvel acide oléique composite pour le stockage frigorifique. / Jiang, L. (Corresponding Author); Wang, R.Z.; Roskilly, A.P.
In: International Journal of Refrigeration, Vol. 100, 04.2019, p. 55-62.

Research output: Contribution to journal › Article › peer-review

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abstract = "This paper presents a novel composite material for cold storage. Oleic acid is selected as phase change material whereas carbon coated aluminum is adopted as additive. Thermal conductivities and viscosities of samples are investigated by light flash method and viscometer. Phase change temperature and latent heat are analyzed through DSC measurements. It is indicated that thermal conductivities of composite oleic acid using nanoparticles are remarkably improved when compared with pure sample. The highest thermal conductivity of composite oleic acid with 1 wt% mass ratio of Al@C could reach 0.42 W m−1 K−1, which is 2 times higher than that of pure oleic acid. When testing temperature increases from 25°C to 75°C, dynamic viscosities decrease from 3.67 mPa s to 1.062 mPa s. Phase change temperature and latent heat are slightly shifted from that of pure oleic acid. This novel composite oleic acid reveals vast potentials to stabilize the performance of solar sorption cooling system.",

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author = "L. Jiang and R.Z. Wang and A.P. Roskilly",

note = "Acknowledgements This research was supported by National Natural Science Foun- dation of China under contract number ( 51606118 ), Innovative Re- search Groups under contract number (51521004), Heat-STRESS project (EP/N02155X/1) and Centre for Energy Systems Integration (EP/P001173/1) funded by Engineering and Physical Science Re- search Council of the UK.",

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N2 - This paper presents a novel composite material for cold storage. Oleic acid is selected as phase change material whereas carbon coated aluminum is adopted as additive. Thermal conductivities and viscosities of samples are investigated by light flash method and viscometer. Phase change temperature and latent heat are analyzed through DSC measurements. It is indicated that thermal conductivities of composite oleic acid using nanoparticles are remarkably improved when compared with pure sample. The highest thermal conductivity of composite oleic acid with 1 wt% mass ratio of Al@C could reach 0.42 W m−1 K−1, which is 2 times higher than that of pure oleic acid. When testing temperature increases from 25°C to 75°C, dynamic viscosities decrease from 3.67 mPa s to 1.062 mPa s. Phase change temperature and latent heat are slightly shifted from that of pure oleic acid. This novel composite oleic acid reveals vast potentials to stabilize the performance of solar sorption cooling system.

AB - This paper presents a novel composite material for cold storage. Oleic acid is selected as phase change material whereas carbon coated aluminum is adopted as additive. Thermal conductivities and viscosities of samples are investigated by light flash method and viscometer. Phase change temperature and latent heat are analyzed through DSC measurements. It is indicated that thermal conductivities of composite oleic acid using nanoparticles are remarkably improved when compared with pure sample. The highest thermal conductivity of composite oleic acid with 1 wt% mass ratio of Al@C could reach 0.42 W m−1 K−1, which is 2 times higher than that of pure oleic acid. When testing temperature increases from 25°C to 75°C, dynamic viscosities decrease from 3.67 mPa s to 1.062 mPa s. Phase change temperature and latent heat are slightly shifted from that of pure oleic acid. This novel composite oleic acid reveals vast potentials to stabilize the performance of solar sorption cooling system.

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Development and thermal characteristics of a novel composite oleic acid for cold storage, Développement et caractéristiques thermiques d'un nouvel acide oléique composite pour le stockage frigorifique

Abstract

Bibliographical note

Keywords

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