Thermodynamic formulation of temperature–entropy diagram for the transient operation of a pulsed thermoelectric cooler

Thermodynamic formulation of temperature–entropy diagram for the transient operation of a pulsed thermoelectric cooler
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DOI:
10.1016/j.ijheatmasstransfer.2005.10.038
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发表时间:
2006-06
影响因子:
5.2
通讯作者:
A. Chakraborty;K. Ng
A. Chakraborty;K. Ng
中科院分区:
工程技术2区
文献类型:
--
作者:
A. Chakraborty;K. Ng

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利用吉布斯定律和简单的能量平衡方法,给出了脉冲热电制冷器工作的一般热力学公式。的熵通量(W/m2 K)的表达式表示的热电操作的关键参数。遵循经典的温度-熵(T-s)方法,它具有所有的优点的能量流识别,过程沿着的p-n腿的热电,有助于有用的和耗散的损失,被清楚地映射为瞬态操作。
A general thermodynamic formulation for the operation of a pulsed thermoelectric cooler is presented using the Gibbs law and simple energy balance method. An expression for the entropy flux (W/m2K) is expressed in terms of the key parameters employed for the thermoelectric operation. Following the classical temperature–entropy (T–s) methodology, which has all the virtues of energy flow identification, the processes along the p–n legs of thermoelectrics, contributing to both useful and dissipative losses, are clearly mapped for the transient operation.