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Wärmetauscher wie der Verdampfer spielen eine Schlüsselrolle bei der Reduzierung der Kältemittelfüllung von Luft- Wasser-Wärmepumpen, was auch für die Kosten und Sicherheit der Anlage relevant ist. Das Fraunhofer ISE hat optimierte Konzepte zur Reduzierung der Innenvolumina entwickelt. Geprägte Aluminiumbleche mit Kanälen sorgen für eine homogene Verteilung des Kältemittels (z.B. Propan), vergleichbar mit Rippen- Rundrohrwärmetauschern.
The Fraunhofer Institute for Solar Energy Systems ISE is the largest solar energy research institute in Europe. Focusing on energy conversion, energy efficiency, energy distribution and energy storage, the institute creates the technological foundations for supplying energy efficiently and on an environmentally sound basis in industrialized as well as threshold and developing countries.
Among other research areas, the institute has many years of experience in heat pump technology and holds expertise along the entire value chain. At the institute, the work on heat pumps focuses on developing, or further developing, materials and various components, testing and verifying singular units, investigating different heat pump systems in the field under real conditions as well as integrating the heat pump unit into the entire energy system. The institute works in close cooperation with its partners and customers from industry and research.
At the special show on heat pumps, experts from Fraunhofer ISE are available for discussion. Among others, the following topics are to be addressed:
Novel Materials: Which of them have the potential to make heat pumps more efficient?
New Components: Which will become necessary?
Responsibility for the Entire System Efficiency: Shall the manufacturer take responsibility and, if yes, how best?
Measurement and Certification: Is a dynamic method of evaluation necessary?
Fault-free installation: What can a manufacture do to help the installers avoid mistakes?
Energy System of the Future: What is required to accelerate the process of integrating the heat pump?