Thermal Performance of MEMS-Based Heat Exchanger with Micro-Encapsulated PCM Slurry

• 作者: Samad Sabbaghi Samira Mehravar
• 来源期刊: 电力能源(英文)
• 学科: 医学
• 关键词: MEMS MICROCHANNEL MEPCM-Slurry LATENT Heat Simulate
• 年，卷（期）: 2014,（9）
• 页码范围: 15-22
• 页数: 8页
• 分类号: R73

摘要

Latent heat thermal energy storage technique has demonstrate to be a better engineering option mainly due to its benefit of supplying higher energy storage density in a smaller temperature difference between retrieval and storage. For this purpose, a micro electro-mechanical system, MEMS-based heat exchanger with microencapsulated PCM (MEPCM) slurry as cold fluid, has been simulated three dimensionally. This work investigates the influence of using MEPCM-slurry on the temperature of the cold and hot fluids. The MEPCM and water properties have been considered temperature dependent. MEPCM-slurry is used with different volume fractions. The result shows that using MEPCM with 25% volume fraction leads to the improvement in fluids temperatures, that is, for hot fluid the rate of temperature reduction increases up to 23.5% and for cold fluid the rate of temperature rise decreases to 9%, compared to using only water in the MEMS.