التفاصيل البيبلوغرافية
| العنوان: |
Thermal Performance Analysis of Composite Phase Change Material of Myristic Acid-Expanded Graphite in Spherical Thermal Energy Storage Unit |
| المؤلفون: |
Ji Li, Weiqing Wang, Yimin Deng, Long Gao, Junchao Bai, Lei Xu, Jun Chen, Zhi Yuan |
| المصدر: |
Energies; Volume 16; Issue 11; Pages: 4527 |
| بيانات النشر: |
Multidisciplinary Digital Publishing Institute |
| سنة النشر: |
2023 |
| المجموعة: |
MDPI Open Access Publishing |
| مصطلحات موضوعية: |
composite phase change material, spherical thermal storage unit, melting characteristics, dimensionless analysis |
| الوصف: |
In order to improve energy storage efficiency and promote the early achievement of global carbon neutrality goals, this paper proposes a spherical thermal storage unit filled with a composite phase change material (CPCM) comprising myristic acid (MA) and expanded graphite (EG). The effects of EG content and Stefan number (Ste) on the melting performance were investigated through a combination of experiments and numerical simulations. The results show that an increase in EG content (especially for ≥4 wt.% EG) leads to a temperature profile that assumes a concentric ring shape, while the melting rate increases with an increase in both the EG mass fraction and the Ste number. Compared to pure MA, the time required to complete melting was reduced by 82.2%, 85.6%, and 88.0% at EG contents of 4 wt.%, 5 wt.%, and 6 wt.%, respectively. Notably, the Ste value has a greater effect on melting when the EG content is ≤3 wt.%. The optimal EG content in the spherical cell was determined to be 4 wt.%, and a dimensionless analysis established a general correlation between the liquid mass fraction and the Fo, Ste, and Gr numbers. |
| نوع الوثيقة: |
text |
| وصف الملف: |
application/pdf |
| اللغة: |
English |
| Relation: |
G2: Phase Change Materials for Energy Storage; https://dx.doi.org/10.3390/en16114527 |
| DOI: |
10.3390/en16114527 |
| الاتاحة: |
https://doi.org/10.3390/en16114527 |
| Rights: |
https://creativecommons.org/licenses/by/4.0/ |
| رقم الانضمام: |
edsbas.850DA64F |
| قاعدة البيانات: |
BASE |