Custom thermoelectric devices, faster prototypes, and reliable U.S. manufacturing for critical industries. Sheetak Inc., a U.S.-based leader in advanced thermoelectrics, is redefining solid-state cooling and energy management with fully customizable devices and rapid prototyping through its expanded U.S. manufacturing capabilities. Headquartered in Austin, Texas, Sheetak … [Read more...]
Rosenberg Introduces New 170W Ecofit EC Fans: More Cooling Power and Efficiency for Your Application
Rosenberg's new generation of Ecofit G9 EC motors offers an increased power rating of 170 watts, providing a higher-performance, more energy-efficient air movement solution. The new motor is available on 48 models of Ecofit backward-curved fans and forward-curved blowers. They provide improved ventilation without impacting the budget or increasing the energy footprint. Another … [Read more...]
Statistics Corner: Modifying Sample Size
Author’s note: This article was initially published in a compilation of some of the articles published in the Electronics Cooling Magazine ‘Statistics Corner’ [4]. However, it was never published as part of a standard ECM issue. Therefore, it seemed appropriate to reintroduce it to the readers to this series on statistical analysis methods. Abstract Reliability … [Read more...]
Performing a Transient Thermal Characterization of Hardware with a Finite Difference Model
Introduction A transient thermal characterization, also known as a thermal survey, aims to characterize the location of greatest thermal inertia within a hardware system—that is, the location with the slowest temperature response to a given environmental stimulus. This manuscript outlines a methodology for developing a finite difference numerical model of a three-resistor, … [Read more...]
Thermal Design for Externally Worn Wearable Electronics
Introduction Thermal management plays a critical role in the performance, reliability, and longevity of wearable devices. Reliability must be considered even when components remain below their absolute maximum operating temperatures. This is due to increased diffusion rates, material fatigue, and electromigration effects which degrade electronics over time. Additional failure … [Read more...]
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