Rani, A. and Bhatt, S. C. and Shivagan, D. D. and Singh, Y. P. (2013) Characterization and Evaluation of Thermal Stability and Uniformity of a Liquid Temperature Bath Containing a Toluene Heat Pipe. Mapan, 28 (1). 41-50. ISSN 0970-3950

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Abstract

he objective of this paper is to present a study carried out for the evaluation of the thermal stability and uniformity of a heat pipe modified water chamber. It can serve as a standard procedure that can be applicable to any other equilibrium thermal source used with water or any liquidus like medium for temperature distribution. These sources are utilized for comparison of high precision thermometers or sensor based temperature instruments having resolution of the order of 0.01 degrees C. In the present work a temperature water bath has been modified with a heat pipe cylindrical chamber provided with a forced circulation of fluid from the temperature controlled circulator. A standard platinum resistance thermometer with high precision resistance bridge was used for temperature measurement in the chamber at different locations horizontally and vertically as well. The thermal stability of this heat pipe modified chamber was evaluated to be +/- 0.006 to +/- 0.022 degrees C and uniformity to be +/- 0.015 to +/- 0.031 degrees C at different measured temperatures in the range from 5 to 90 degrees C. The uncertainty components due to these parameters have also been evaluated and reported in the paper.

Item Type:	Article
Additional Information:	copyright for this article belongs to M/s Springer Verlag
Subjects:	Instruments/ Instrumentation Applied Physics/Condensed Matter
Divisions:	UNSPECIFIED
Depositing User:	Users 27 not found.
Date Deposited:	19 Aug 2026 10:40
Last Modified:	19 Aug 2026 10:40
URI:	https://npl.csircentral.net/id/eprint/3321

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