b'Automotive & Transportation | Engineer Innovationtransfer. In this device, convective heat transfer to the selected coolant combines with the fin effect produced by the large surface area of the conductive porous structure to produce efficient heat transfer. A porous media heat exchanger can be used to dissipate very large heat fluxes, such as those encountered in this solar telescope, or can be used to provide very efficient heat transfer at much lower heat fluxes.The increased surface area, however, is obtained at the expense of increased flow resistance or pressure drop. To overcome the constricted flow paths,Figure 5: A polyhedral mesh (including fine prism layers) of the fluid space around the heat stopmultiple closely-spaced inlets and outlets are used. For example, a sectionThermacore has the industrys broadest through the wall of a porous metal heatcollection of thermal management exchanger is illustrated schematicallytechnologies, products and services, above. In a scale drawing, the circles,which include:k-Core encapsulated which represent grains of metalAnnealed Pyrolytic Graphite (APG) based powder, would be many times smallersolid conduction heat spreader than shown. The pore sizes areassemblies and thermal straps (all metal sufficiently small to prevent a flowand k-Core based); passive two-phase short-circuit near the walls. Thedevices such as heat pipe assemblies, thickness of the porous structurevapor chamber assemblies, thermal depicted below is typically on the orderground planes, loop heat pipes, extreme of 0.020-0.050mm. temperature heat pipes, CCHP and VCHP Spacecraft heat pipes, and more; liquid A significant effort has been made incooled cold plates; aluminum vacuum recent years to improve thebrazed assemblies, cold plates, heatFigure 6: Section throughfundamental understanding ofexchangers, chassis; pumped single andthe wall of a porous metal heatexchangerconvective forced flow heat transfer intwo-phase liquid systems; Intelligent porous metal heat exchangers, whichThermal Management Systems (iTMS); has resulted in improved understandingrugged liquid cooling systems (rLCS); of governing principles and has thusand enclosure heat exchangers. Other opened new applications for theseunique capabilities include the ability to devices such as cooling the DKISTdevelop custom refractory metal alloys, solar telescope. cryomilled aluminum and magnesium, and material characterization andAbout Thermacore testing services.Founded in 1970, Thermacore specializes in the custom design,Thermacore brings unparalleled development and manufacturing ofengineering design expertise and innovative, high performance thermalthermal management solution management and material solutions.performance, quality, and reliability to Thermacores thermal managementhelp enable our customers products and solutions can be found at both theservices. Thermacore employs more than system and component levels for a175 employees at six facilities located in variety of OEM applications in thethe United States (Lancaster, military, aerospace, computer,Pennsylvania; Langhorne, Pennsylvania; communications, industrial,Ronkonkoma, New York; Pittsburgh, government and medical, testPennsylvania) and the United Kingdom equipment markets. With intellectual(Ashington, Northumberland). property (over 100 patents), tradeThermacore facilities are certified to the secrets and professional staff (over 50AS9100, ISO 9001 and ISO 14001 engineers), Thermacore applies thisstandards.know-how to solve complex thermal problems for their customers and helpFor information about Thermacore, visit to enable their customers products. www.thermacore.com49'