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Investigation on thermophysical properties of multi-walled carbon nanotubes enhanced salt hydrate phase change material

Thermal Energy Storage (TES) is a valuable tool for improving the energy efficiency of renewable energy conversion systems. One of the most effective methods for harnessing thermal energy from solar sources is through energy storage using phase change materials (PCMs). However, the thermal performan...

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Main Authors: Rajamony, R. K., Mahendran, Samykano, Pandey, A. K., Babu, S. Ramesh, Noor, M. M., Devarajan, R., Paw, J. K. Siaw, Natarajan, S. K.
Format: Article
Language:English
Published: Universiti Malaysia Pahang 2023
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://umpir.ump.edu.my/id/eprint/38978/1/Investigation%20on%20Thermophysical%20Properties%20of%20Multi%20Walled%20Carbon.pdf
http://umpir.ump.edu.my/id/eprint/38978/
https://doi.org/10.15282/ijame.20.3.2023.03.0817
https://doi.org/10.15282/ijame.20.3.2023.03.0817
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spelling my.ump.umpir.389782023-10-23T07:32:27Z http://umpir.ump.edu.my/id/eprint/38978/ Investigation on thermophysical properties of multi-walled carbon nanotubes enhanced salt hydrate phase change material Rajamony, R. K. Mahendran, Samykano Pandey, A. K. Babu, S. Ramesh Noor, M. M. Devarajan, R. Paw, J. K. Siaw Natarajan, S. K. TJ Mechanical engineering and machinery Thermal Energy Storage (TES) is a valuable tool for improving the energy efficiency of renewable energy conversion systems. One of the most effective methods for harnessing thermal energy from solar sources is through energy storage using phase change materials (PCMs). However, the thermal performance of PCMs is hindered by their low thermal conductivity. This research focuses on enhancing the thermal performance of salt hydrate PCM using multi-walled carbon nanotubes (MWCNTs) and surfactants. Through experimental investigations, a salt hydrate PCM with varying concentrations of MWCNTs (ranging from 0.1% to 0.9%) was prepared using a two-step technique and their thermophysical properties were thoroughly characterized. Various techniques such as field emission scanning electron microscope, thermal conductivity analyzer, ultraviolet-visible spectrum, thermogravimetric analyzer, and Fourier transform infrared spectroscopy were utilized to study the effect of surfactant on the nanocomposites and examine their morphology, thermal conductivity, optical properties, thermal stability, and chemical stability. The results indicated that the inclusion of MWCNTs with salt hydrate significantly improved the thermal conductivity by 68.09% at a concentration of 0.7 wt %, compared to pure salt hydrate. However, this enhancement in thermal performance was accompanied by a reduction in optical transmittance in the developed nanocomposite PCM. Additionally, the formulated nanocomposite demonstrated excellent thermal and chemical stability up to temperatures as high as 468 °C. As a result, this nanocomposite shows great promise as a potential candidate for solar TES applications, offering favourable characteristics for efficient energy storage from solar sources. Universiti Malaysia Pahang 2023-09 Article PeerReviewed pdf en cc_by_nc_4 http://umpir.ump.edu.my/id/eprint/38978/1/Investigation%20on%20Thermophysical%20Properties%20of%20Multi%20Walled%20Carbon.pdf Rajamony, R. K. and Mahendran, Samykano and Pandey, A. K. and Babu, S. Ramesh and Noor, M. M. and Devarajan, R. and Paw, J. K. Siaw and Natarajan, S. K. (2023) Investigation on thermophysical properties of multi-walled carbon nanotubes enhanced salt hydrate phase change material. International Journal of Automotive and Mechanical Engineering (IJAME), 20 (3). pp. 10595-10605. ISSN 2229-8649 (Print); 2180-1606 (Online). (Published) https://doi.org/10.15282/ijame.20.3.2023.03.0817 https://doi.org/10.15282/ijame.20.3.2023.03.0817
institution Universiti Malaysia Pahang Al-Sultan Abdullah
building UMPSA Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang Al-Sultan Abdullah
content_source UMPSA Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Rajamony, R. K.
Mahendran, Samykano
Pandey, A. K.
Babu, S. Ramesh
Noor, M. M.
Devarajan, R.
Paw, J. K. Siaw
Natarajan, S. K.
Investigation on thermophysical properties of multi-walled carbon nanotubes enhanced salt hydrate phase change material
description Thermal Energy Storage (TES) is a valuable tool for improving the energy efficiency of renewable energy conversion systems. One of the most effective methods for harnessing thermal energy from solar sources is through energy storage using phase change materials (PCMs). However, the thermal performance of PCMs is hindered by their low thermal conductivity. This research focuses on enhancing the thermal performance of salt hydrate PCM using multi-walled carbon nanotubes (MWCNTs) and surfactants. Through experimental investigations, a salt hydrate PCM with varying concentrations of MWCNTs (ranging from 0.1% to 0.9%) was prepared using a two-step technique and their thermophysical properties were thoroughly characterized. Various techniques such as field emission scanning electron microscope, thermal conductivity analyzer, ultraviolet-visible spectrum, thermogravimetric analyzer, and Fourier transform infrared spectroscopy were utilized to study the effect of surfactant on the nanocomposites and examine their morphology, thermal conductivity, optical properties, thermal stability, and chemical stability. The results indicated that the inclusion of MWCNTs with salt hydrate significantly improved the thermal conductivity by 68.09% at a concentration of 0.7 wt %, compared to pure salt hydrate. However, this enhancement in thermal performance was accompanied by a reduction in optical transmittance in the developed nanocomposite PCM. Additionally, the formulated nanocomposite demonstrated excellent thermal and chemical stability up to temperatures as high as 468 °C. As a result, this nanocomposite shows great promise as a potential candidate for solar TES applications, offering favourable characteristics for efficient energy storage from solar sources.
format Article
author Rajamony, R. K.
Mahendran, Samykano
Pandey, A. K.
Babu, S. Ramesh
Noor, M. M.
Devarajan, R.
Paw, J. K. Siaw
Natarajan, S. K.
author_facet Rajamony, R. K.
Mahendran, Samykano
Pandey, A. K.
Babu, S. Ramesh
Noor, M. M.
Devarajan, R.
Paw, J. K. Siaw
Natarajan, S. K.
author_sort Rajamony, R. K.
title Investigation on thermophysical properties of multi-walled carbon nanotubes enhanced salt hydrate phase change material
title_short Investigation on thermophysical properties of multi-walled carbon nanotubes enhanced salt hydrate phase change material
title_full Investigation on thermophysical properties of multi-walled carbon nanotubes enhanced salt hydrate phase change material
title_fullStr Investigation on thermophysical properties of multi-walled carbon nanotubes enhanced salt hydrate phase change material
title_full_unstemmed Investigation on thermophysical properties of multi-walled carbon nanotubes enhanced salt hydrate phase change material
title_sort investigation on thermophysical properties of multi-walled carbon nanotubes enhanced salt hydrate phase change material
publisher Universiti Malaysia Pahang
publishDate 2023
url http://umpir.ump.edu.my/id/eprint/38978/1/Investigation%20on%20Thermophysical%20Properties%20of%20Multi%20Walled%20Carbon.pdf
http://umpir.ump.edu.my/id/eprint/38978/
https://doi.org/10.15282/ijame.20.3.2023.03.0817
https://doi.org/10.15282/ijame.20.3.2023.03.0817
_version_ 1822923801893011456
score 13.232414

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