Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/73115
Title: A two-stage cuboid-styled thermoelectric cooler with switched polarity
Authors: Xuan, X.C. 
Ng, K.C. 
Yap, C. 
Chua, H.T. 
Issue Date: 2001
Source: Xuan, X.C.,Ng, K.C.,Yap, C.,Chua, H.T. (2001). A two-stage cuboid-styled thermoelectric cooler with switched polarity. International Conference on Thermoelectrics, ICT, Proceedings : 444-447. ScholarBank@NUS Repository.
Abstract: This paper introduces a two-stage cuboid-styled thermoelectric (TE) cooler, which is simply formed by linking two similar single-stage commercial TE modules serially in thermal cascade. Superior to a conventional two-stage pyramid-styled TE cooler, the cuboid-styled cooler has switched polarity, which means that the cooling rate and coefficient of performance (COP) can keep constant when its supplied electric currents are alternated. As an example, a single-stage TE module of MELCOR is chosen for performance comparison between single and two-stage coolers. Practical conditions are accounted for by considering the effect of thermal resistance between stages. The calculations demonstrate that the two-stage cuboid-styled cooler can attain higher temperature differences than those achieved by the single-stage module. Both COP and cooling flux are improved at large temperature difference.
Source Title: International Conference on Thermoelectrics, ICT, Proceedings
URI: http://scholarbank.nus.edu.sg/handle/10635/73115
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