The SOLAR-JET project has explored solar-thermochemical redox cycles from 2011 to 2015, within this period the consortium has produced the world's first sample of solar thermochemical kerosene. The project website is now inactive and will not be updated.

Please visit the website of the successor project SUN-to-LIQUID for all important information.


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Project Infos

Project name:
Solar chemical reactor demonstration and Optimization for Long-term Availability of Renewable JET fuel(SOLAR-JET)
Project Reference:
Contract Type:
Small or medium-scale focused research project
Start Date:
End Date:
48 months
3.12 million euro
Project Funding:
2.17 million euro
Project Status:
Dr. Andreas Sizmann
Bauhaus Luftfahrt e.V.
Lyonel-Feininger-Straße 28, D-80807 München
andreas.sizmann at
More details


The SOLAR-JET consortium has been created to meet the committed project objectives with the highest efficiency. The Consortium gathers industrial and scientific complementary competencies from four European countries. The partners combine their special expertise in solar energy conversion (ETH), fuel synthesis and fuel economics (SHELL), fuel combustion and high-temperature chemistry (DLR), future technology assessment, future socio-economic development analysis (BHL) and project management (ART).

Organizational Activities

DLR is the German National Aerospace Research Centre as well as the German Space Agency. DLR’s mission comprises the exploration of the Earth and the Universe, research for the conservation of the environment, for environment-compatible technologies, for promoting mobility, communication, and safety. DLR operates major research institution facilities for DLR’s own projects and as a service provider for clients and partners. Approximately 6600 people are employed in total in DLR’s 29 institutes at 13 locations distributed over Germany, including Stuttgart and Köln. The Institute of Combustion Technology is using synergies from the groups „Advanced Diagnostics‟, „Chemical Kinetics‟, „Numerical Simulation‟ all working on research spanning from fundamental to technical combustion. The institute coordinated the European FP5 project SiA-TEAM on soot formation in aero engines and was/is involved in a large number of European Research Projects in the sectors aeronautics and energy. In the specific sector of alternative fuels for aviation DLR institute of combustion technology is sub-project leader in the FP6 project ALFA-BIRD and the TREN (now MOVE) study.

Role in SOLAR-JET Project

Its expertise in combustion is relevant for the inverse combustion process (indirect way). Specifically, expertise in the modeling and simulation of multiphase reacting flows will contribute to the design process of a prototype solar reactor in WP2. The in-house simulation codes THETA and SPRAYSIM used in the modeling of gas phase and dispersed phase respectively are multiphysics design tool which can couple turbulent flows, heat transfer (convective, diffusive and, radiative in a continuous phase or coupled with walls and additional phases) and, chemical reactions in complex realistic geometries such as a combustion chamber e.g.: solar chemical reactor.

Key Personnel

Dr. Patrick Le Clercq - Senior Scientist

Parthasarathy Pandi - Research Engineer

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