Editorial Peter Rodgers, Acting Editor-in-Chief, September 2015 Continuing the June Editorial [1] theme, which discussed the societal aspects of enticing today’s youth into pursuing a career in the engineering profession, this editorial explores if the capabilities of today’s young engineering graduate are being effectively harnessed upon graduation. Otherwise said, is the … [Read more...]
All You Need to Know About Fans
By Mike Turner, Comair Rotron A Basic Fan/Blower Description Fans can be thought of as low pressure air pumps that utilize power from a motor to output a volumetric flow of air at a given pressure. A propeller converts torque from the motor to increase static pressure across the fan rotor and to increase the kinetic energy of the air particles. The motors are typically … [Read more...]
Effective Heat Spreading Angle
Dirk Schweitzer, Infineon Technologies AG, Am Campeon 1-12, 85579 Neubiberg, Germany dirk.schweitzer@infineon.com Introduction To accurately compute the thermal resistance of a layered structure, such as the Junction-to-Case thermal resistance of a power semiconductor, the heat spreading inside the structure has to be considered. The calculation of the spreading resistance is … [Read more...]
An Efficient Approach for MULTI-SCALE Thermal Modeling of Integrated Circuits
Banafsheh Barabadi, Satish Kumar, Valeriy Sukharev, & Yogendra K. Joshi Banafsheh Barabadi Department of Mechanical Engineering Massachusetts Institute of Technology 77 Massachusetts Ave. Cambridge MA 02139 Yogendra K. Joshi Satish Kumar G.W. Woodruff School of Mechanical Engineering Georgia Institute of Technology 801 Ferst Dr, Atlanta GA 30332 Valeriy … [Read more...]
On-site Cogeneration for Reducing Data Center Primary Energy Use
Dustin W. Demetriou, PhD Email: dwdemetr@us.ibm.com 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 … [Read more...]
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