Best practices for measuring thermal properties of fluids

Dr. Cobos gives practical considerations to improve the quality of fluid measurements. 


In this presentation, Dr. Doug Cobos discusses theoretical limitations of the transient line heat source technique, which define the type of fluids that can be measured and which thermal measurements can be performed with the KD2 Pro (now the TEMPOS). After discussing limitations, Dr. Cobos gives practical considerations to improve the quality of fluid measurements.

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Our scientists have decades of experience helping researchers and growers measure the soil-plant-atmosphere continuum. 


Dr. Cobos is a Research Scientist and the Director of Research and Development at METER.  He also holds an adjunct appointment in the Department of Crop and Soil Sciences at Washington State University where he co-teaches Environmental Biophysics.  Doug’s Masters Degree from Texas A&M and Ph.D. from the University of Minnesota focused on field-scale fluxes of CO2 and mercury, respectively.  Doug was hired at METER to be the Lead Engineer in charge of designing the Thermal and Electrical Conductivity Probe (TECP) that flew to Mars aboard NASA’s 2008 Phoenix Scout Lander.  His current research is centered on instrumentation development for soil and plant sciences.

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