NDLI: A Novel Experimental Procedure and Technique for Smallscale Calorimetry

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Zhang, Shu Yang, Yizhang Rabin, Yoed Barmak, Katayun Asheghi, Mehdi
Copyright Year	2007
Abstract	By definition, a differential scanning calorimetry (DSC) requires a sample structure and a refrence structure to obtain the latent heat of a speicman. We propose a novel approach, named Phase Transition Calorimetry (PTC), to obtain the specimen’s latent heat by using only the signal from the sample bridge. The new setup and procedure are primarily based on electrical resistance heating and thermometry and the parametric estimation method by solving the heat conduction equation with and without the phase transformation. The new setup has two major advantages over widely used DSC setups: there are no errors associated with heat loss to the surroundings, and the uncertainty resulting from the difference between the sample and the reference is eliminated by removing the reference structure. Experimental validation of the new setup and procedure is demonstrated by measuring the latent heat of thin layers of tin. This was found to be 4.1×108 Jm−3, which is different within 5% from the literature values of bulk specimens.
Sponsorship	Heat Transfer Division
Starting Page	337
Ending Page	342
Page Count	6
File Format	PDF
ISBN	0791842754
DOI	10.1115/HT2007-32894
e-ISBN	0791838013
Volume Number	ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 2
Conference Proceedings	ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference
Language	English
Publisher Date	2007-07-08
Publisher Place	Vancouver, British Columbia, Canada
Access Restriction	Subscribed
Subject Keyword	Latent heat Bridges (structures) Differential scanning calorimetry Uncertainty Heat losses Electrical resistance Phase transitions Heat conduction Temperature measurement Errors Heating Calorimetry Signals
Content Type	Text
Resource Type	Article

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