Characterisation techniques for high temperature thermoelectric materials

Ramesh, TG and Shubha, V and Dutta, Soma (2010) Characterisation techniques for high temperature thermoelectric materials. In: National Workshop on ‘High Temperature Materials in Aerospace Applications’ , 8-9 Jan 2010, Anna University Chennai, India.

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This paper is concerned with new developments in the field of high temperature thermoelectric materials both from the point of view of thermoelectric power generation based on Seebeck effect and local area cooling based on Peltier effect. The efficiency of the thermoelectric generator/cooler is determined by the figure of merit viz., ZT=s2/K where S is the thermoelectric power,  and K are the electrical and thermal conductivity of the materials used in the fabrication of these devices. Characterisation of these thermal and electronic parameters is of vital importance in the engineering design of the device. Techniques for automated measurement of thermoelectric power, electrical conductivity and thermal conductivity will be discussed.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: High temperature materials;Aerospace applications;Electrical conductivity;Thermal conductivity
Subjects: AERONAUTICS > Aeronautics (General)
CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
ENGINEERING > Electronics and Electrical Engineering
Depositing User: Ms. Alphones Mary
Date Deposited: 05 Aug 2011 05:24
Last Modified: 05 Aug 2011 05:24

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