Photoacoustic studies on thermal parameters of liquid crystal mixtures

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Photoacoustic studies on thermal parameters of liquid crystal mixtures

Show simple item record Girijavallabhan, C P Radhakrishnan, P V P N Nampoori Sajan, D George George, A K 2010-07-14T04:39:32Z 2010-07-14T04:39:32Z 2007-07-05
dc.identifier.citation International School of Photonics, Cochin University of Science and Technology en_US
dc.identifier.other Smart Mater. Struct. 16 (2007) 1298–1301
dc.description.abstract Complete thermal characterization of liquid crystal mixtures in the smectic phase consisting of various relative volume fractions of cholesterol and 1-hexadecanol have been carried out using the photoacoustic technique. Thermal diffusivity values of these liquid crystal mixtures are evaluated using the open cell photoacoustic technique whereas the thermal effusivity value is measured using the conventional photoacoustic technique. From the measured values of these transient thermophysical parameters, the thermal conductivity and heat capacity of the sample under investigation are calculated. Analyses of the results show that all the thermophysical parameters depend strongly on the volume fraction of the constituents. Results are interpreted in terms of enhanced hydrogen bonding and the consequent enhancement in cohesive thermal energy transport with increasing volume fraction of 1-hexadecanol en_US
dc.language.iso en en_US
dc.publisher Smart Materials and Structures en_US
dc.subject Photoacoustics en_US
dc.subject Thermal diffusivity en_US
dc.subject Liquid Crystal Mixtures en_US
dc.subject 1-hexadecanol en_US
dc.subject cholesterol en_US
dc.title Photoacoustic studies on thermal parameters of liquid crystal mixtures en_US
dc.type Working Paper en_US

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