Could you mix waste water and salt water to avoid running out of groundwater in future? Could you harvest energy in space and use it to fuel spacecraft? And could you use household waste as a biofuel? Around 400 students from DTU and DTU’s alliance universities asked themselves these and about 147 other questions and tried to answer them in the months leading up to the ‘Grøn Dyst’ competition. The winners in 2012 were selected from those students who succeed in coming up with new, intelligent green technology solutions to the climate challenges of the future. Grøn Dyst is a DTU initiative that focuses on sustainability, climate technology and the environment in all DTU study programmes. DTU launched Grøn Dyst because engineers play a key role in the sustainable development of society, and it is therefore crucial that engineers—DTU engineering graduates in particular—are trained in inventing, designing and deploying sustainable solutions throughout their education. From 2014, every year, the efforts to embed green and sustainable initiatives in the teaching at DTU will culminate with a Grøn Dyst student conference where students can present their projects and compete to win prizes. Learn more www.groendyst.dtu.dk/English.aspx MARIE VENDELBO FRI DORF PHO TOS T. KAARE SMI TH 400 DTU students fought intensely for the honour (and the prize money) when the Grøn Dyst student conference was held at DTU at the end of June 2012. g r ø n d y st 23 Gas station in space Jeppe Bjerre teamed up with five fellow students to design a spacecraft which can harvest energy while orbiting Earth and store it for use in other spacecraft. The ‘Energy Harvester’ will be able to form the basis for extremely efficient and clean space travel in the future. A small light in the dark Anna Nielsen has designed a lamp for African school children who lack lighting to do their homework after sunset. Anna’s lamp is the size of a water bottle, powered by solar cells (photovoltaics), and features an induction function so that it can be recharged by shaking it when it has run out of energy. Flax rims Andreas Okholm, Mathias Rask and Frederik Skovgaard have produced a wheel rim made of flax fibres. Flax possesses properties that are extremely well-suited to this purpose: high strength per mass, can be cultivated intensively with little environmental impact, easy to process, requires little or no energy for fibre processing and presents no ‘end-of-life’ problems. Fierce competition for green ideas DTU in profile 2013
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