Mathematic Simulation on Power Generation by Roll Cake Type of Thermoelectric Cylinders

2006 25th International Conference on Thermoelectrics Pub Date : 2006-08-01 DOI:10.1109/ICT.2006.331375

R. Suzuki, D. Tanaka

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引用次数: 2

Abstract

Analytical expression of electric power is deduced in case of the large-scale thermoelectric device that consists of the cylindrical tubes like roll cake. The mildly curved thermoelectric panels are exposed to the two thermal fluids. These fluids are circulated several times for better utilization of thermal energy. The output powers of 18 model systems are mathematically described by the simultaneous derivative equations based on heat exchange. The temperature profiles in the device depend on the flow directions of hot and cold fluids, but the flow directions do not change the output power. Resultantly 10 sets of solutions for the output power are deduced. The maximum output power is the largest in the VIC system (counter flow using a cylindrical panel). However, that in the two systems (V2CC-I and -II system), where two fluids flow twice in counter directions and one of the fluids goes into the system from the inside of the inner cylinder, can generate the thermoelectric power equivalent with that from the VIC system. V2CC-I and -II systems use only 23.2% volume required for that of VIC system

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卷饼式热电筒发电的数学模拟

推导了由卷饼状圆柱管组成的大型热电装置的电功率解析表达式。温和弯曲的热电板暴露在两种热流体中。为了更好地利用热能，这些流体要循环几次。用基于热交换的联立导数方程对18个模型系统的输出功率进行了数学描述。装置内的温度分布取决于冷热流体的流动方向，但流动方向不改变输出功率。由此推导出了输出功率的10组解。最大输出功率是VIC系统中最大的(使用圆柱形面板的逆流)。然而，在两个系统(v2c - i和-II系统)中，两种流体以相反的方向流动两次，其中一种流体从内筒内部进入系统，可以产生与VIC系统相当的热电功率。v2c - i和v2c -II系统的体积仅为VIC系统的23.2%

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来源期刊

2006 25th International Conference on Thermoelectrics

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