June 2015 Welcome to your Digital Edition of Aerospace & Defense Technology Maximizing Thermal Cooling Efficiencies in High-Performance Processors Stand-Off Scanning and Pointing with Risley Prisms Getting It Right with Composites June 2015 Solutions for RF Power Amplifier Test com ensetech. .aerodef www Supplement to NASA Tech Briefs How to Navigate the Magazine: At the bottom of each page, you will see a navigation bar with the following buttons: ➭ Arrows: Click on the right or left facing arrow to turn the page forward or backward. Intro Introduction: Click on this icon to quickly turn to this page. Cov Cover: Click on this icon to quickly turn to the front cover. ToC Table of Contents: Click on this icon to quickly turn to the table of contents. + Zoom In: Click on this magnifying glass icon to zoom in on the page. – Zoom Out: Click on this magnifying glass icon to zoom out on the page. A Find: Click on this icon to search the document. 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AS9100AS9100 and ISOISO 9001 CertifiCertifi eded www.rtd.comwww.rtd.com GSA Contract HolderHolder [email protected]@rtd.com Free Info at http://info.hotims.com/55590-872 ➮ Intro Cov ToC + – A ➭ TUBING INNOVATIONS TUBING SOLUTIONS TUBING EXCELLENCE See us at the Paris Air Show, Hall 2B, Stand G170 (WEAF) 1965 1970 1980 1999 2006 2014 Fine Tubes and Superior Tube NASA Space Shuttle (XURðJKWHUXVHV Fine Tubes Fine Tubes Superior Tube supplies the life support system Fine Tubes titanium supplies Airbus supplies specialist collaborate to Ti3Al2.5V hydraulic relies on high tubing for hydraulic A380 with tubing for Solar supply tubes for the line tubing used in pressure stainless systems & EJ200 Ti3Al2.5V tubing Orbiter satellite to AM350 Concorde )(DJOHðJKWHU steel tubing by for 5,000 psi investigate the Sun program Superior Tube hydraulic systems With over 150 years combined expertise in supplying high performance tubing, Fine Tubes and Superior Tube have a proven track record of turning design concepts of today Contact Us into industry standards tomorrow. Our teams of metallurgists and engineers work closely with the world’s leading manufacturers in the aerospace and defense industry developing tubing solutions for ‘mission critical’ applications. :HVXSSRUWRXUFXVWRPHUVLQLPSURYLQJVSHFLðFDWLRQV and to help them solve their future technical challenges. tel: +44 (0) 1752 876406 WHO Involve us at an early stage to discuss your requirements HPDLODHURVSDFH#ÀQHWXEHVFRP HPDLOLQIR#VXSHULRUWXEHFRP for innovative tubing solutions in Stainless Steel, Nickel, Titanium and Zirconium alloys. twitter.com/FineTubes twitter.com/SuperiorTube Tubing excellence built on innovation and quality YEARS Free Info at http://info.hotims.com/55590-873 ➮ Intro Cov ToC + – A ➭ Aerospace & Defense Technology Contents FEATURES ________________________________________ DEPARTMENTS ___________________________________ 6 Rugged Computing 35 Technology Update 6 Maximizing Thermal Cooling Efficiencies 43 Application Briefs in High Performance Processors 46 New Products 12 Lasers & Optics 49 Advertisers Index 12 Stand-Off Scanning and Pointing with Risley Prisms 50 What’s Online 18 Simulation/Manufacturing ___________________________________ 18 Getting It Right with Composites ON THE COVER 24 Aircraft In an attempt to reduce the noise footprint of aircraft during landing, NASA has expand- 24 Regional and Bizjets Refined and Redefined ed its use of Exa Corp’s PowerFLOW soft- 28 RF & Microwave Technology ware. This image shows the radiated sound field from a business jet with flaps and main 28 Solutions for RF Power Amplifier Test landing gear deployed. To learn more, check 34 Air-Ground Communications System Aims out the What’s Online section on page 50. to Make Flying Safer (Photo courtesy of Exa Corp) 37 Tech Briefs 37 Fabricating Transparent and Stretchable Supercapacitors Based on Wrinkled Graphene Electrodes 38 Modular Exhaust Design and Manufacturing Techniques for Build-to-Order Muffler Systems 40 Silicon Microsphere Fabrication 41 Designing and Fabricating a Multiple-Decade Battery Coherent beam propagation Get the right result when FRED Stray light analysis software is part of the equation. Illumination and non-imaging optical design FRED® – Photon Engineering’s leading optical