Electronics Protection - June/July 2012 - (Page 20)
Stulz Introduces CyberRow Energy Efficient Data Center Cooling Solution
Stulz Air Technology Systems, Inc. (Stulz) has released its Stulz CyberRow, an energy efficient, intelligent rack cooling system for small and medium data centers, and targeted spot cooling solution for large and enterprise size data centers. The design of Stulz CyberRow allows the cooling system to be placed closer to the heat load, allowing data center owners to better manage thermal requirements of IT equipment. CyberRow has been designed for use with both chilled water (CW) and direct expansion (DX) cooling methods. The DX units utilize green R410A refrigerant and are available in air, water or glycol cooling methods. Additional features include adjustable EC Fans and a variable speed compressor on DX units for precise cooling capacity. CyberRow units feature EC (Electrically Commutated) Fan technology, another Stulz data center cooling product. Since these EC Fans do not rely on incoming line voltage, they are able to provide precise air flow rates. CyberRow units with EC Fans offer on-demand, automatic and manually controllable variable speed capability with no VFDs and achieve the benefits of improved efficiency, reliability and low running costs. Stulz CyberRow produces a range from 9 to 73 kW cooling capacity. They are available in 12-inch CRS-090-C and 24-inch CRS180-C chilled water (CW) units, and a 12-inch direct expansion RS-090-(AR/W/G) unit. thermostat controls minimize compressed air use, keeping the enclosure at ± 2ºF of the temperature setting. An automatic drain filter separator ensures no moisture passes to the inside of the electrical enclosure. There are no moving parts to wear out. Dual high temperature cabinet coolers are available with cooling capacities of 4,000, 4,800 and 5,600 Btu/hr. and are UL Listed and CE compliant. Applications include variable frequency drives, programmable controllers, industrial computers, motor controls, microprocessors and robotics.
Jaro’s New Intelligent AC Fans Provide Temperature-Compensating Technology
Jaro Thermal’s new JDA series of AC fans optimizes temperature by intelligently sensing and regulating RPM (revolutions per minute). Thus, as power inputs fluctuate, the fan automatically compensates by decreasing or increasing the fan output (cubic feet per minute). The result is a reduction in power consumption, noise and overall cost.
Applied Nanotech Holdings, Inc. has unveiled the next generation of CarbAl, its thermal management material. CarbAl is a carbon-based material with a unique combination of low density, high thermal diffusivity and low coefficient of thermal expansion. CarbAl’s unique attributes allow it to exceed the capabilities of conventional thermal management materials, like copper and aluminum. New electroplating and surface coatings have improved its durability and functionality, making it a solution for electronics manufacturers to keep temperature under control. CarbAl is lighter weight and has increased thermal performance compared to competing materials. CarbAl has a density of 1.75 g/cm3 compared to 2.7 g/cm3 for aluminum and 8.9 g/cm3 for copper. While copper has a slightly higher thermal conductivity than CarbAl, 390 W/mK compared to 350 W/mK, CarbAl’s thermal diffusivity is approximately 2.9 cm2/sec compared to 0.84 cm2/sec for aluminum and 1.12 cm2/sec for copper. Applied Nanotech has incorporated functional surface coatings such as metal plating and dielectric layers into its next generation CarbAl, and can now be electroplated with nickel boron, gold, nickel and copper. In addition, soldered copper or aluminum plates can be added for increased strength and stability. The ultimate example of CarbAl contains a dielectric layer and full circuit trace functionality as a PCB replacement with integrated thermal management. These enhancements have been made without compromising CarbAl’s cost and weight advantage over its competitors.
Applied Nanotech’s Releases CarbAl Material
New Dual High Temperature Cabinet Cooler Systems for Large Enclosures
Fujipoly Releases Sarcon D-Tac Thermal Tape
Exair’s new dual high temperature Cabinet Cooler systems purge and cool overheated electrical control panels in harsh environments up to 200°F (93°C). Cabinet coolers keep electrical enclosures cool with air as cold as 20°F to eliminate high temperature malfunctions and protect electronics from hot, dirty locations. The high cooling capacity up to 5,600 Btu/hr. is well suited for large electrical enclosures and high heat loads. Cabinet coolers incorporate a vortex tube that cools ordinary compressed air to cold air without the use of refrigerants. They mount through a standard electrical knockout while maintaining the NEMA 12, 4 or 4X rating of the enclosure. Systems with
Fujipoly has introduced a new line of thermally conductive and electrically insulative doublesided tape. The Sarcon D-Tac product offering is available in both an acrylic and silicone base formulation. Sarcon D-Tac 7A reinforced acrylic tape offers high adhesion strength with a thermal conductivity of 0.7 W/m•K and a thermal resistance as low as 3.5 ºC•cm²/W. Sarcon D-Tac 9A silicone tape is perfect for higher operating temperatures and provides a thermal conductivity of 0.9 W/m•K with a thermal resistance as low as 2.1ºC cm²/W.
June/July 2012 www.ElectronicsProtectionMagazine.com
Table of Contents for the Digital Edition of Electronics Protection - June/July 2012
Electronics Protection - June/July 2012
FLIR T-series Cameras Introduce Thermal Image Enhancement Technology
Renewable Raw Materials - The Future of Plastic Enclosures
Global Electronic Enclosure Resins and Markets
Ferrite Testing Reveals Significant Performance Variations
Packaging Solutions for Critical Electronics Protection in Challenging Environments
Fluid Submersion Technology for Green Data Center Cooling
TRTL BOT Unveils KidSafe Case for iPhone 4 and 4S
Curtiss-Wright Controls Defense Solution Releases New D2D ATR 3U OpenVPX Chassis
Stulz Introduces CyberRow Data Center Cooling Solution
Abbott Technologies Offers New Sealed Power Supply
New Engineered Multi-Cavity Shielding Solution
Gore Enhances Product Performance with new of Screw-in Vents
Calendar of Events
Electronics Protection - June/July 2012