Solar energy paper index
Assessment of thermal behavior for phase transition material through dynamic heating-cooling scenario energy system
One-line summary
A solar energy research paper on Assessment of thermal behavior for phase transition material through dynamic heating-cooling scenario energy system.
Engineering notes
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Chinese explanation / 中文解读
中文解读待补充：本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。
Original abstract
Technology energy storage rapidly growth as it plays essential position for the energy transition in modern era, particularly for thermal energy storage (TES).It expands largely considering its flexibility and scalability for different load and application in thermal system.The usage of phase change material (PCM) for TES provides technical benefit since it widely available and cost effective.However, specific working indicator for the materials are varied notably, making the development for the PCM and its intended application become complex to assure process control of the energy transfer for each configuration.The present work offers working assessment for six type PCM which divided into low-temperature (LT) and high-temperature (HT) groups.The assessment was performed experimentally on the heating cycle at different rate, followed with different loading scenario for discharge the energy.The initial indicator comes from different melting behavior for each PCM, varying between 61-64.8°C with ΔH 148.2-178.5 J/g for 6 J/g.The challenge starts with cooling function (freezing) as each material experience deviation on transition for phase temperature between 4.8-6.5 °C for LT-group with the highest deviation is obtained from HT-group.The maximum heating rate for LT-group varies between 2.18-5.66°C/min while HT-group indicates a lower maximum heating rate between 1.7-3.33°C/min.Dynamic cooling causes significant variation for the LT-group, specifically between slow and rapid cooling with maximum variation of 1.4 °C/min, indicating the PCM for this group sensitive to different discharge mechanism.In contrast, HT-group demonstrate unsubstantial change for the cooling rate which remain below 1 °C/min for all designed discharge operation.
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