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Solar Cooling in Industry and Commerce (SCIC)

In order to limit global warming and the associated effects on human health and the environment, the drastic reduction of global greenhouse emissions is imperative. The combustion of fossil fuel sources is, arguably, the main cause for the rise in global greenhouse gas emissions.  Energy efficiency and the use of renewable energy play a key role in supplying buildings with process energies such as heat, cooling, and electricity. Solar energy, which is a key player in renewable energy sources in the MENA region (Middle East and North Africa), in addition to solar thermal collectors, may be used not only for domestic hot water or heating , but also for supplying cooling work. For this purpose, thermally driven absorption chillers can be used and thus enabling the implementation of an important technical solution for low or zero energy buildings.

"Solar Cooling in Industry and Commerce" is the title of a project promoting sustainable and resource-efficient technologies for cooling in Jordan and the MENA region. Two pilot installations of solar cooling system with the driving energy from solar energy and based on non-ozone depleting and climate-friendly coolants are planned. The project is funded as a part of the International Climate Initiative (ICI) by the Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (BMU). The project ends in the spring of 2015.

On behalf of the German Society for International Cooperation (GIZ), the Technical University of Berlin has a supportive and accompanying role in the planning and installation of two solar cooling systems in Jordan. The TU Berlin is able to make an active contribution to the promotion of these technologies in connection with a know how transfer in the field of installation and operation of thermally driven absorption chillers. The goal of this project is to demonstrate an energy efficient technology such as solar cooling. The solar cooling system for the field tests German Jordanian University and Petra Guest House are based on the absorption chillers developed by the Technical University of Berlin. A successful operation solar cooling system has successfully operated in Dessau, Germany. A detailed monitoring of the overall system and the chillers in Jordan is used to assess the energy efficiency.

The goal of the project, in addition to the support of a local engineering office for an optimal system integration, is the successful demonstration of solar thermal driven absorption chillers that can improve the energy performance of a conventional refrigeration system. An increase of solar fractions can be achieved by adjusting the operating strategies in conjunction with sensible heat storages (hot and/or cold water storages). The commissioning of the two absorption chillers is planned for 2014.

In addition to the GiZ, employer and partner, MEI, HEAT, Proklima and the sites are involved as partners in the work and properties of the project.

Further information can be found here.

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Stefan Petersen
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