Helmholtz Association

Heating for the fusion reactor

What has been working since time immemorial in the Sun at temperatures of just 6 million degrees Celsius calls for great effort on Earth. Because it's much more difficult to initiate and maintain nuclear fusion here. First of all, the hydrogen plasma has to be heated up to more than 100 million degrees. Scientists from the Max Planck Institute for Plasma Physics (IPP) in Garching have upgraded such a heating system for the extreme requirements of the test reactor ITER. In 2006, Dr. Eckehart Speth, Dr. Hans-Dieter Falter, Dr. Peter Franzen, Dr. Ursel Fantz and Dr. Werner Kraus were presented with the Erwin Schrödinger Prize, the Science Prize awarded by the Stifterverband für die Deutsche WIssenschaft (the joint initiative of German industry to promote science and higher education), which is worth 50,000 euros. The high-frequency plasma source that they developed is also able to accelerate negatively-charged ion particles and so can introduce more energy into the plasma than its predecessors could. These results have now convinced ITER. The novel ion source has been selected as the plasma heater for the test reactor which is just being built in Cadarache, France.

09.01.2013