AIR FORCE INQUIRES ABOUT THERMAL MGMT.SOLUTIONS FOR FUTURE AIRCRAFT 8/11/15 - The U.S. Air Force is looking into new thermal management techniques to cool the electronics in future fighter aircraft. “Officials of the Air Force Research Laboratory at Wright-Patterson Air Force Base, Ohio, issued a broad agency announcement Friday (BAA-AFRL-RQKP-2015-0002) for the Hybrid-Cycle … [Read more...]
Thermal Facts & Fairy Tales: Numerical Modeling without Supporting Experimentation
Peter Rodgers Fan modelling is one of the most critical aspects of the analysis of forced-air-cooled systems. Lasance [1] summarized the challenges of modeling air movers such as fans and key factors that need to be taken into consideration. Such factors include the need to model the fan hub, and to account for the swirl velocity coefficient. In addition to the above … [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...]
Comparison of HPC and Telecom Data Center Cooling Methods by Operating and Capital Expense Extended Article
Dr. Alexander Yatskov Thermal Form & Function Inc. Introduction Current high-performance computing (HPC) and Telecom trends have shown that the number of transistors per chip has continued to grow in recent years, and data center cabinets have already surpassed 30 kW per cabinet (or 40.4 kW/m2) [1]. It is not an unreasonable assumption to expect that, in accordance … [Read more...]
Filter Fans Provide Effective Cooling for Electrical and Electronic Enclosures
EIC Solutions, Inc., a manufacturer of thermoelectric air conditioners, electronic enclosures and transit cases, has introduced a new line of filter fans designed to remove unwanted heat from electrical/electronic enclosures and cabinets. The VFF series filter fans cool enclosures to a level slightly above the ambient temperature outside the cabinet by drawing filtered ambient … [Read more...]
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