Optimizing Gas-Pcm Energy Storage: Advanced Strategies for Enhancing Latent Heat Storage Efficiency Under Fluctuating Flows
SSRN, ISSN: 1556-5068
2024
- 1Citations
- 277Usage
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
In response to the urgent need for improving thermal energy storage efficiency within waste heat recovery systems utilizing fluctuating heat sources such as exhaust gas and hot water, this study presents an analytical and experimental investigation into the charging performance of Gas-PCM latent heat energy storage units under fluctuating flow conditions. Through the integration of the enthalpy-porous medium model, we explore the phase change material (PCM) melting dynamics within energy storage configurations, addressing a variety of heat transfer fluid inlet conditions. The employment of experimental validation in tandem with simulation endeavors underscores the robustness of our proposed model and methodological approach.Our findings illuminate the efficacy of flat and corrugated heat storage designs in accommodating heat sources characterized by significant temperature and flow fluctuations. Results indicate that flat heat storage units exhibit superior performance under conditions of noticeable temperature variations and minimal flow alterations, with a predilection for corrugated configurations in scenarios dominated by pronounced flow fluctuations. Specifically, corrugated units demonstrated a potential reduction in PCM complete melting time by up to 11.7% and an enhancement in heat storage capacity by as much as 11.0% under fluctuating flow conditions. Such insights underscore the critical role of flow rate dynamics over temperature variations in enhancing heat transfer efficiency and storage capabilities of corrugated heat storage units, thereby facilitating the optimization of thermal energy storage solutions within renewable energy systems and advancing the frontier of energy utilization efficiency.
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