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Heat and Thermodynamics
book

Heat and Thermodynamics

by Anandamoy Manna
May 2011
Beginner
492 pages
14h 16m
English
Pearson India
Content preview from Heat and Thermodynamics

11.10 Angstrom's Experiment

Angstrom determined the conductivity of the material of a bar by periodically heating and cooling it. The bar was heated and cooled periodically by passing steam and water at regular intervals through a chamber at one end of the bar as shown in Fig. 11.19.

 

Schematic representation of Angstrom's experiment

 

Fig. 11.19 Schematic representation of Angstrom's experiment

 

In this way, the temperature at points along the bar fluctuate periodically and on account of surface radiation the temperature amplitude diminishes as the distance from the region of supply increases.

The bar must be chosen so that it is sufficiently long to allow us to neglect the effect of terminal ...

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Publisher Resources

ISBN: 9789332511231