Concentrating solar thermal systems are still little known in Germany, although they are a highly efficient approach to producing heat from solar energy. In such a system, specialised mirrors arranged in different geometries are used to focus the Sun’s rays on a defined area, such as a circle or a line. This heats a heat transfer medium, which then flows through a heat exchanger.
The chassis of a train is a key factor for fast, reliable, safe and comfortable rail transport. The German Aerospace Center (DLR) is working on a new, chassis design for the future as part of its Next Generation Train concept, with each wheel driven individually and controlled with smart technology.