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首页> 外文会议>International Conference on the Domestic Use of Energy >Using PCMs to store solar energy (April 2018)
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Using PCMs to store solar energy (April 2018)

机译：使用PCM来存储太阳能（2018年4月）

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This paper focuses on results of an experimental investigation to study the melting and solidification processes of paraffin wax, a phase change material (PCM), used to store heat energy in a shell-helical coiled tube heat exchanger system. The PCM is stored in a cylindrical space which also contains a coiled tube through which the heat transfer fluid HTF (water) flows. Different paraffin waxes (Ributherm RT25, RT 28, and RT35) have been used as PCMs because of their high energy storage density, availability and relatively low cost. A series of experiments were conducted to test the rate of heat absorption and release of the paraffin waxes. Results indicate that the heat transfer stored using PCMs is dependent on the circulation flow rate of the water in the helical coiled tube. The performance of the system when using a shell-single concentric helical coil heat exchanger is found more effective when compared to the one using a shell-single straight pipe heat exchanger.
机译：本文侧重于研究石蜡蜡，相变材料（PCM）的熔化和凝固过程的实验研究的结果，用于将热能存储在壳螺旋卷绕管热交换器系统中。 PCM存储在圆柱形空间中，该空间还包含螺旋管，传热流体HTF（水）流过该管道。由于它们的高能量存储密度，可用性和成本相对较低，因此使用不同的石蜡（Riquutherm RT25，RT 28和RT35）作为PCMS。进行了一系列实验以测试石蜡蜡的热吸收率和释放。结果表明，使用PCM存储的传热取决于螺旋盘管中的水的循环流速。与使用壳单直管热交换器相比，系统在使用外壳的同心螺旋线圈热交换器时的性能更有效。

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