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urope, passenger cars are responsible for 12% of C O 2 emissions. The European Commission established new regulations to drastically redu ce the emissions from 130g to 95g CO 2 per km between 2015 and 2021. While the automobile i ndustry is looking at different ways to meet those criteria, the presented industry-driven p roject aims at reducing energy consumption by up to 30% of air-conditioning (AC) in passenger c ars with the introduction of a novel system. The current systems reduce the fuel economy to up to 2 0% for gas motors and even more for electric cars. Through Selective Laser Sintering (SLS ) design freedom and short production cycles; the design of the AC casing was drastically opti mized to increase its contact area with incoming air. To further increase the heat exchange t hroughout the system, the thermal conductivity of SLS material was improved by incorpor ation of mineral fillers. The successful implementation of both optimizations led to a CO 2 emission reduction of around 50% for the climate control of passenger cars. Show more
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SubjectSINTERING (POWDER METALLURGY); KLIMAANLAGEN, HEIZUNG (FAHRZEUGTECHNIK); LASER PROCESSING OF MATERIALS (MACHINING); LASERSTRAHLBEARBEITUNG (SPANENDE UMFORMUNG); AIR CONDITIONING, HEATING (VEHICLE ENGINEERING); SINTERN (PULVERMETALLURGIE)
Organisational unit02130 - Dep. Maschinenbau und Verfahrenstechnik / Dep. of Mechanical and Process Eng.
03641 - Wegener, Konrad / Wegener, Konrad
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