Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/16957
Title: Thermoelectric cooling devices: thermodynamic modelling and their application in adsorption cooling cycles
Authors: ANUTOSH CHAKRABORTY
Keywords: Boltzmann Transport Equation, Solid state cooling, Electro-adsorption chiller, CPUs and Infra-red heater, experimental investigation, pool boiling
Issue Date: 19-Oct-2005
Source: ANUTOSH CHAKRABORTY (2005-10-19). Thermoelectric cooling devices: thermodynamic modelling and their application in adsorption cooling cycles. ScholarBank@NUS Repository.
Abstract: On the basis of the Boltzmann Transport Equation, the thesis presents a universal thermodynamic framework for modeling the solid state cooling devices namely thermoelectric cooler, the pulsed thermoelectric cooler, thin film thermoelectric device, and an electro-adsorption chiller (EAC) such that their performances can be analyzed and understood. Using the thermodynamic modeling and Gibbs law, the temperature-entropy formulations for both the macro and micro-scale solid state cooling devices have been described. The author investigates experimentally the adsorption isotherms and kinetics, and develops the thermodynamic property fields of adsorbate-adsorbent systems to model an electro-adsorption chiller. Based on the EAC modelling, a bench-scale electro-adsorption chiller is designed, fabricated and tested experimentally for its performances and the results are verified with theoretical modelling. Infra-red heaters with a tapered kaleidoscope emulate uniform heat input (similar to CPUs) at the evaporator. A pool boiling investigation at low heat flux and vacuum pressure is also presented and a modified Rohsenow correlation is proposed.
URI: http://scholarbank.nus.edu.sg/handle/10635/16957
Appears in Collections:Ph.D Theses (Open)

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