ANSYS Advantage Thermal Managment

™ ADVANADVANTAGETAGE| | Excellence in Engineering Simulation VOLUME X ISSUE 1 2016 6 Beat the Heat 13 Cooling Trend 21 Hot Flash elcome to ANSYS Advantage! We hope you Realize Your Product Promise® enjoy these articles by ANSYS customers, ANSYS enables you to predict with confidence that your staff and partners. Want to be part of a products will thrive in the real world. Customers trust our future issue? Contact the editorial team solutions to help ensure the integrity of products and drive with your idea for an article. business success through innovation. Industry leaders use ANSYS to simulate complete virtual prototypes of complex WThe Editorial Staff, ANSYS Advantage products and systems — comprising mechanical, electronics [email protected] and embedded software components — that incorporate all the physical phenomena that exist in real-world environments. Executive & Editorial Adviser Managing Editor Tom Smithyman ANSYS, Inc. For ANSYS, Inc. sales information, Chris Reeves Southpointe call +1 844.GO ANSYS Editorial Contributor 2600 ANSYS Drive Email the editorial staff at Senior Editor ANSYS Customer Excellence Canonsburg, PA 15317 [email protected]. U.S.A. Tim Palucka North America For address changes, contact Subscribe at [email protected]. ansys.com/advantage Editors Art Directors Erik Ferguson Ron Santillo Kara Gremillion Dan Hart Neither ANSYS, Inc. nor DH4 Design guarantees or warrants accuracy or completeness of the material contained in this publication. Thomas Matich Gregg Weber ANSYS, ALinks, Ansoft Designer, Aqwa, Asas, Autodyn, BladeModeler, CFD, CFX, Chip Power Mark Ravenstahl Module (CPM), Chip Thermal Model (CTM), DesignerRF, DesignerSI, DesignModeler, Ravi Ravikumar Design DesignSpace, DesignXplorer, Engineering Knowledge Manager (EKM), Explicit STR, Fatigue, Anatole Wilson DH4 Design Fluent, FORTÉ, Full-Wave SPICE, HFSS, ICEM CFD, Icepak, Icepro, Maxwell, Mechanical, Mesh Morpher, Multiphysics, Nexxim, Optimetrics, ParICs, PathFinder, PExprt, Polyflow, PowerArtist, PowerArtist Calibrator and Estimator (PACE), Professional, Q3D Extractor, QuickEye, Realize Your Product Promise, RedHawk, Rigid Dynamics, RMxprt, RTL Power Model (RPM), SCADE Display, SCADE Lifecycle, SCADE Suite, SCADE System, Sentinel, SIwave, Simplorer, Simulation-Driven Product Development, Solver on Demand, SpaceClaim, Structural, Super-Compact, TGrid, Totem, TPA, TurboGrid, Vista TF, VerifEye, WinIQSIM, Workbench, and any and all ANSYS, Inc. brand, product, service, and feature names, logos and slogans are Join the simulation conversation registered trademarks or trademarks of ANSYS, Inc. or its subsidiaries located in the United ansys.com/About-ANSYS/Social-Media States or other countries. ICEM CFD is a trademark licensed by ANSYS, Inc. LS-DYNA is a registered trademark of Livermore Software Technology Corporation. nCode DesignLife is a trademark of HBM nCode. © 2016 ANSYS, Inc. All other brand, product, service, and feature names or trademarks are the property of their respective owners. TK EDITORIAL DESIGNING HOT PRODUCTS When developing a new product, managing its thermal signature — the thermal energy that it releases/absorbs in its operating environment — is important for aesthetic and economic reasons. Engineering simulation can help you to find this optimum value and create a long-lasting product that performs well. By S. Subbiah, VP, Global Product Operations, ANSYS esigning cutting-edge products today often Clearly, economics and aesthetics figure greatly in the ther- means getting them to work under extreme con- mal management of industrial and consumer products and ditions, which can make it challenging to man- processes. Simulation can eliminate waste by preventing over- age the energy generated by the product. design — using too much of a material, or using a more expen- My most vivid experience of this occurred sive material when a cheaper one would suffice. Simulation when engineers from Goodrich Aerostructures can also prevent under-design, which might compromise your D(now UTC Aerospace Systems) described how they design and product’s safety or reduce its lifetime. In addition, understand- test commercial aircraft landing brakes. If the pilot of a wide- ing how long your product can work effectively at its operat- body jet decides to abort takeoff at any time while accelerating ing temperature helps you to set reasonable warranty periods. down the runway, the FAA mandates that the brakes must stop Engineering simulation using reliable computational phys- the aircraft, completely and safely, without endangering the ics and multiphysics can minimize thermal management con- passengers. This requires converting the kinetic energy of an cerns for your product or process. You can model your product 850-ton aircraft racing at 170+ mph to frictional heat and dis- and simulate its operation virtually, using parametric studies sipating it to the surroundings in just minutes! Watching this to explore the design space more thoroughly than would ever process in action during testing reveals mechanical engineer- have been possible using the old build-and-test method. You ing at its best — the brakes glow white-hot while bringing the can see how your model responds to changes in temperature, massive, speeding vehicle to a halt. delineate the optimal range of operation, and choose the best In this instance and many more, heat must be controlled materials for your application. The result will be the best prod- for optimal system operation. Running a chemical reactor at uct possible, both technologically and economically. less-than-ideal temperatures will reduce the product yield, ANSYS products enable you to study the effects of conjugate while too high a temperature might cause a dangerous run- flow and heat transfer, Joule heating, chemical reactions, ther- away reaction, or damage the reactor. Overheating integrated mal dissipation and electronics cooling, to mention just a few circuits (IC) can cause stress and IC package delamination, but areas. ANSYS Mechanical, ANSYS Fluent and ANSYS Icepak are excessive cooling means consuming more electricity than is routinely used today by engineers worldwide to address prod- necessary to power fans. Designers of electronic systems must uct design challenges. strike a balance between electrical performance and physical In this issue, a few of our most creative customers relate size. A rich user experience requires significant IC computa- how they used ANSYS engineering simulations to solve their tions, which burn power and create heat, so the design must toughest thermal management challenges in many industries. allow for sufficient cooling without compromising user prefer- I think you will find their stories insightful. ences for size, weight, noise and portability. Engineering simulation using reliable computational physics and multiphysics can minimize thermal management concerns for products or processes. © 2016 ANSYS, INC. ANSYS ADVANTAGE Volume X | Issue 1 | 2016 1 TABLE OF CONTENTS 10 13 25 FEATURES 6 17 29 BEST PRACTICES AEROSPACE AND DEFENSE AUTOMOTIVE Beat the Heat Climate Control Keeping the Block Cool All products and processes have As cars become more complex, a thermal comfort zone — a range Gets Elevated companies that manufacture the Extreme temperature and pressure of temperatures in which they work supporting electronic systems must differences outside the aircraft while most efficiently. make them reliable and safe. in flight and on the ground must be accommodated to keep passengers 10 comfortable and safe. 33 CONSUMER GOODS AUTOMOTIVE 21 Full Steam Ahead ELECTRONICS Under the Hood Startup Nebia is poised to transform The electronics in modern automobiles the experience of taking a shower. must operate in a high-temperature, Hot Flash under-hood environment without Using a reduced-order method, engineers sacrificing performance or reliability. at Fairchild Semiconductor have been 13 able to decrease development time for THOUGHT LEADER electronic components for electric and hybrid electric vehicles. 37 Cooling Trend CONSUMER GOODS As consumer electronics manufacturers squeeze more and more functionality Lighting the Way into smaller and smaller packages, 25 To manage heat removal for LED TURBOMACHINERY thermal management is a critical lights, DuPont engineers used ANSYS design consideration. CFD simulation to accurately predict Weaving In and Out temperatures within their proprietary Turbines need to run at very high substrate — information that could not be temperatures to reduce fuel burn, but gained without simulation. they require internal cooling to maintain structural integrity and meet service-life requirements. © 2016 ANSYS, INC. ANSYS ADVANTAGE Volume X | Issue 1 | 2016 2 37 48 55 SIMULATION@WORK DEPARTMENTS WEB EXCLUSIVES View these articles at 40 55 ansys.com/exclusives101 ENERGY SOLUTIONS Powering a Home Taking the Heat ART CONSERVATION A new approach to simplifying ECAD with Fuel Cells geometry makes it practical to predict Home-based electricity generation Lightning Strikes warping and dynamics of PCBs under is possible using a fuel cell system. thermal loading. More than Once Panasonic Corporation applied simulation Multiphysics simulation can help predict to help reduce the cost of these systems where damage is likely to occur, and to make them more commercially feasible. lightning rods can then be installed to protect the statue of Christ the Redeemer 44 in Rio de Janeiro. TURBOMACHINERY ABOUT THE COVER HEALTHCARE Blown

Load more