HARSH ENVIRONMENT ELECTRONICS Harsh Environment Electronics are the unique electronic systems that operate our flights, factories and autonomous vehicles in a safe and reliable manner. As these systems manage the safety of persons and/or vehicles that cost millions of dollars, strict hardware and software system standards have been developed to operate in their harsh … [Read more...]
Thermal Management and Safety Regulation of Smart Watches
ABSTRACT A smartwatch is one of the most popular wearable devices now. Along with battery life and security, thermal safety is the most common concern. We show how to meet ergonomic standards for users and predict thermal performance in typical scenarios. Thermal simulation software applied at the design stage can provide guidance on the use of heat-spreading materials and … [Read more...]
Electronics Cooling Sanity Check
Introduction A number of years ago I attended a meeting at Purdue University to discuss future challenges and goals for electronics cooling research. One topic that generated a significant amount of interest was, what magnitude of heat flux represented a substantial challenge that the electronics cooling community should be striving to meet with new developments. The closest … [Read more...]
Transient Thermal Calculations for Skin Contact by Wearable Devices
Introduction Mobile and wearable electronic devices are truly ubiquitous these days. Thermal engineers involved in the design of these devices are not only attentive to managing the temperature of the various components within these devices, but they are also careful to ensure that the temperature on the outer shell of these devices never exceeds certain limits as specified in … [Read more...]
On-site Cogeneration for Reducing Data Center Primary Energy Use
As most readers are aware, the data center industry has put an increased focus on energy efficiency and environmental impact. Data centers in the United States are estimated to consume nearly 2% of the total electricity. The de facto metric used in the data center industry to evaluate energy efficiency has been the Power Usage Effectiveness (PUE), as defined by The Green Grid … [Read more...]
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