An Analytical Study On The Performance
Characteristics Of A Multi-stage Thermoelectric
Cooling System
Author(s)
D. Kim, C. Lim & Y. Kim
Abstract
A thermoelectric module is a device, which can transfer heat from one surface to
another surface when a current is applied. A cooling system employing the
thermoelectric module is generally known as a thermoelectric cooling system. A
thermoelectric cooling system has no moving parts and does not require any
refrigerant, so they are environmentally friendly, inherently reliable, and
virtually maintenance free. In this study, a numerical analysis for optimization of
a thermoelectric cooler is presented. A single-stage system, cuboids type twostage
system and pyramid type two-stage system are analyzed concerning
maximum cooling capacity. For two-stage thermoelectric systems, which are
composed of two thermoelectric modules, the optimum ratio of current for each
stage is analyzed theoretically. The cooling load and heat sink design are also
analyzed to optimize the cooling capacity. When the temperature of the hot side
of the thermoelectric module was fixed for all systems, the pyramid type twostage
system showed an approximately 10.48% higher cooling capacity than that
of a single system. The method to improve the performance of the pyramid type
two-stage system was suggested by reducing the wasted area of the module
surface.
Keywords: thermoelectric module, multi-stage, refrigerator.
Keywords
thermoelectric module, multi-stage, refrigerator.
Related Book
Other papers in this volume
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