The Effect of Al_2 O_3 Addition on Solidification Process of Phase Change Material: A Case Study on Heating of Automobile Cabin in Cold Climate Conditions

Year 2022, Volume: 6 Issue: 3, 275 - 283, 03.10.2022

Habib Gürbüz , Himmet Emre Aytaç , Emre Hamamcıoğlu , Hüsameddin Akçay

https://doi.org/10.30939/ijastech..1128995

Cited By: 2

Abstract

In this paper, an experimental investigation is revealed on the solidification process of the latent heat thermal energy storage (LHTES) system, in which the heat energy emitted into the atmosphere with the exhaust gases of ICE vehicles is stored by phase change material (PCM) enhanced with nanoparticles (Al2O3). In the study using RT55 paraffin wax as the PCM, the interior heating process of a typical sedan automobile in cold climate conditions is used as the heat release medium for the LHTES system. Experimental studies carried out in real climatic conditions were repeated for pure paraffin (RT55) and five dif-ferent Al2O3 fractions (5 wt.%, 10 wt.%, 15 wt.%, 20 wt.%, and 25 wt.%). Ex-periments are performed in an optical PCM container and are completed after 1200 seconds (20 minutes). The heat energy stored in the PCM container is discharged to the automobile cabin via the closed-circuit liquid circulation system by the heating radiator system in the automobile cabin. The findings showed that the solidification process is improved considerably up to 10 wt.% Al2O3 fractions compared with pure paraffin RT55, and the temperature in the cabin could be increased by approximately 29%. In addition, the Al2O3 frac-tion increased by more than 10 wt.%, which has a negative effect on the im-provement in the solidification process, but higher solidification ability and in-cabinet temperature were obtained with all Al2O3 fractions compared to pure RT55.

Keywords

Exhausy waste heat recovery, LHTES, PCM, Nanoparticles addition, Heat discharge(solidification), Automobile cabin interior heating

Supporting Institution

No

Project Number

No

Thanks

Dear Editor-in-Chief: You will find attached copies of my original paper entitled “The Effect of Al_2 O_3 Addition on Solidification Process of Phase Change Material: A Case Study on Heating of Automobile Cabin in Cold Climate Conditions”, which I co-authored with M.Sc. Himmet Emre AYTAÇ, M.Sc. Hüseyin Cahit HAMAMCIOĞLU, Research Assistants Hüsameddin AKÇAY for review and possible publication in International Journal of Automotive Science and Technology. Submission of this article also implies that the work described has not been published previously, that it is not under consideration for publication elsewhere, that its publication is approved by all authors and tacitly or explicitly by the responsible authorities where the work was carried out. I would like to thank you very much for your kind efforts and also for your valuable comments on the paper in advance and remain, Sincerely, Assoc. Prof. Dr. Habib GÜRBÜZ The Corresponding Author

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