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Compound Heat Transfer Augmentation of a Shell-and-Coil Ice Storage Unit with Metal-Oxide Nano Additives and
Farhad Afsharpanah1, Seyed Soheil Mousavi Ajarostaghi1, Farzam Akbarzadeh Hamedani2
1Mechanical Engineering Department, Babol Noshirvani University of Technology, Babol 47148, Iran.
Nanomaterials (Basel, Switzerland)
|March 26, 2022
Summary
Adding nanomaterials and connecting plates significantly speeds up ice storage systems. This enhancement improves the solidification rate, making these eco-friendly cold thermal energy storage systems more practical for widespread use.
Area of Science:
- Thermal energy storage
- Phase change materials
- Heat transfer enhancement
Background:
- Ice storage systems utilize water's high enthalpy of fusion for efficient cold thermal energy storage.
- Water is an inexpensive, accessible, and eco-friendly phase change material (PCM).
- The primary limitation of ice storage systems is the slow phase change process, hindering practical application.
Purpose of the Study:
- To investigate compound heat transfer enhancement methods for cylindrical ice storage units.
- To evaluate the effectiveness of nano additives and connecting plates in augmenting heat transfer.
- To assess various nanoparticle types (alumina, copper oxide, titania) and concentrations for improved performance.
Main Methods:
- Complex three-dimensional numerical simulations were employed.
- The study assessed different heat exchanger materials.
- The impact of nanoparticle type and concentration on the PCM side was analyzed.
Main Results:
- The combined use of nano additives and connecting plates showed significant heat transfer enhancement.
- An optimal combination of methods resulted in an improved solidification rate.
- The study identified promising nanoparticle types and concentrations for enhancing charging rates.
Conclusions:
- Combining nano additives with connecting plates is a highly effective strategy for improving ice storage system performance.
- This approach offers a promising solution to accelerate the solidification process.
- The findings contribute to the development of more efficient and practical cold thermal energy storage solutions.
Keywords:
CFD analysisPCMheat exchangerheat transfer enhancementice storagenanoparticlesnumerical simulationphase change processsolidificationthermal energy storageMore Related Videos
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