Category: History
History
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Guarded Comparative Longitudinal Heat Flow Technique (ASTM E1225)
The pursuit of thermal conductivity knowledge has led to the development of an array of measurement techniques in the past century.
Announcement, Live Events, Press Release
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Press Release: New Webinar on Thermal Conductivity and Resistivity of Soil and Concrete using Transient Line Source
New Brunswick, CA, Release: June 22, 2020. Thermtest will be hosting a free webinar on the 7th of...
History.3 – Laser Flash Method
In 1961, W. J. Parker first introduced a high-intensity laser that had the ability to measure thermal conductivity and thermal diffusivity.
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History.2 – The Guarded Hot Plate Method
Development of the guarded hot plate (GHP) apparatus started in the early 20th century, and was influenced by the Lees Disk method reported in 1898.
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History.1 – Transient Plane Source Method- Part 1
Following the work of Dr. Silas E. Gustafsson , back in 1995, the transient plane source method was first introduced and ISO-certified in 2008.
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