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Follow on Google News | ATS Publication Shows Methods for Measuring Thermal Conductivity in Electronics Cooling StudiesAdvanced Thermal Solutions, Inc. (ATS) provides an overview of the principal methods for measuring thermal conductivity as a reference for engineers involved with electronics thermal management.
By: Advanced Thermal Solutions, Inc. In one section of the paper, these methods are grouped according to the time dependence of the heat applied to the sample. Each method is classified under steady-state, periodic or pulsed. Another section compares the performance of each thermal conductivity measurement method, and provides an idea of sample size and preparation, and the operator skill required. There is also a list of the equipment typically needed to conduct each of these thermal tests. According to the ATS article, the wide choice of methods may first appear to be a disadvantage. However, once understood for their application- As always, the relative cost and expected level of accuracy will also be important factors. Avoiding complicated boundary conditions, irregular part geometry, difficult heater placement/construction and encouraging the difficult task of one-dimensional heat flow will greatly simplify the measurement process. Multiple benefits will result from reducing the cost and assembly difficulty of the experimental set-up while avoiding those errors often introduced when attempting to construct complicated analytical/mathematical models. To learn more about the ATS paper on methods for measuring thermal transfer, read the feature in Qpedia, the monthly thermal eMagazine published by ATS. Current and previous issues can be downloaded at: http://www.qats.com End
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