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    News 11.08.2016

    Pilot production of thermoelectric modules

    Thermoelectric generators convert waste heat directly into electricity. They utilise temperature differences and are paving the way for more energy-efficient production processes. However, the technology has previously led a niche existence because the module production is labour-intensive and therefore expensive. Researchers from Freiburg now want to improve this.  more...
     

    Ceramic cube reduces gas losses

    Scientists have developed a new ceramic heat exchanger for industrial furnaces. This can transmit considerably more exhaust heat to the combustion media than the metal recuperators currently used in high-temperature furnaces in the process industry. The new ceramic recuperator thereby decreases the exhaust gas losses to less than 25 per cent.  more...
     
    Projektinfo 11/2016

    Metal foam – a material for heat engineering

    Metal foams are increasingly developing into materials with diverse uses. While metal foams with closed pores have already become established as rigid and strong lightweight materials, the open-cell variant is suitable for thermal engineering applications. Until now, the material has been rarely used in heat exchangers or coolers because the production is expensive and its application little tested. Researchers at the Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM in Dresden now want to change this.  more...
     

    TU Darmstadt opens research factory

    Last week, the ETA model factory officially opened its doors. Here, scientists at the Technical University (TU) Darmstadt are researching under real conditions and at full scale how industry can use energy more efficiently by linking all building and production components. By considering the entire system – consisting of machines, energy storage systems, building technology and the building envelope – the intention is to reduce the primary energy requirement in production by 40 per cent.  more...
     

    Saving energy in commercial and industrial parks

    Industrial parks are typically home to a diverse mix of cross-industry businesses. The requirements of these businesses vary when it comes to energy supply depending on the nature of their production. For businesses in the metal processing industry for instance, thermal energy requirements in the range of many hundreds of degrees Celsius are typical, while in the food industry, heat requirements are rarely above a hundred degrees Celsius. Businesses operating in the direct vicinity can make good use of waste heat from such processes.  more...
     

    Research funding for the energy turnaround increasing

    Energy research contributes towards the development of the processes and technologies necessary for achieving the goals of the energy turnaround. The German government has been continuously increasing funding for energy research since 2006. In 2013 alone, it spent 100 million euros more on this than in the prior year. This reinforced above all the research areas of energy efficiency and renewable energy sources. It provided just under 300 million euros for each of these subjects.  more...
     

    Energy-saving production of special-purpose glass

    Glass production is very energy-intensive. Depending on the size and efficiency of the melting furnace, it requires roughly four to nine gigajoules per tonne. Researchers at Schott are using a new method to optimise the refinement step in the production of special-purpose glass. Using an uncooled crucible saves about 40 per cent energy.  more...
     
    News 19.05.2014

    Rotating receiver heats up ceramic beads

    Until now, tube receivers have been used in solar tower power plants to absorb the concentrated solar rays and convert them into heat. The German Aerospace Centre (DLR) is now pursuing a new approach. In a rotating receiver, ceramic particles are evenly heated up to 1,000 degrees Celsius. The advantage of this is that the beads also act as a storage medium. The centrifugal receiver at the Jülich solar tower is scheduled to enter operation from mid-2015.  more...
     

    Degreasing aluminium foil using corona treatment

    Rolls of aluminium foil commonly used in households have already been in the oven for up to one hundred hours before coming into contact with food. The heat causes the separating agent needed during production to evaporate. Without the grease, the foil cannot be rolled so thinly, and the consumption of aluminium, which requires a considerable amount of energy, would be greater. The aim is to replace the costly degreasing procedure with a corona treatment. During this procedure, high-energy electrons come into contact with the foil. The method can be integrated inline, in other words directly, into the production flow.  more...
     

    Long-term storage system in lime

    What potential is provided by thermochemical storage systems? Researchers at the German Aerospace Centre (DLR) have been pursuing this question. With a new test plant they are investigating the extent to which solar heat can be stored thermochemically for industrial processes and solar power plants.  more...
     

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