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- Title
Study on Thermal Performance of Electric Heating System with Salt Hydrate-PCM Storage.
- Authors
Huang, Li; Piontek, Udo; Zhuang, Lulu; Zheng, Rongyue; Zou, Deqiu
- Abstract
An electric radiator combined with salt hydrate-phase change material (PCM) storage was developed to replace the existing scattered coal burning systems for clean heating applications. It was designed to have an average heat output of 400 W and a thermal storage efficiency of 65.6% for reducing the electricity peak load. The thermal performance was investigated experimentally and numerically by using various radiator configurations and electric heating powers, as well as three PCMs with a melting point of 58 °C (PCMI 58), 78 °C (PCMI 78) and 90 °C (PCMI 90). It was found that the radiator combined with PCMI 78 had an average heat output of 412 W, and the PCMI 78 could be completely charged within 8 off-peak hours at an electric heating power of 1270 W, in the case of the radiator external dimension L × B × H of 796 × 106 × 656 mm and the L/B ratio of 7.5. The experiment results indicated that the average room temperature could be maintained at 20.0 °C at an outdoor temperature of 5.2 °C when applying the electric radiator developed.
- Subjects
RADIATORS; HEAT storage; ELECTRIC heating; THERMAL efficiency; MELTING points; PEAK load; SALT
- Publication
Energies (19961073), 2023, Vol 16, Issue 20, p7108
- ISSN
1996-1073
- Publication type
Article
- DOI
10.3390/en16207108