Course paper / final thesis

Experimental Validation of Particlers Motion in a High Temperature Solar Receiver

Starting date

1 November 2019

Duration of contract

6 months

Type of employment


"Cutting-edge research requires excellent minds – particularly more females – at all levels. Launch your mission with us and send in your application now!" Prof. Pascale Ehrenfreund - Chair of the DLR Executive Board

The Solar Tower Systems Group of DLR’s Institute of Solar Research has been doing extensive research on Central Receivers to develop cost-effective and commercializable technologies. Thanks to its high heat storage capabilities and durability at elevated temperatures, particle based solar receivers draw attention of many research groups. DLR’s Institute of Solar Research has designed, patented and developed the Centrifugal Solar Receiver, which has experimentally proven capability to provide 965 °C of particle outlet temperature with a 2.5MWth-prototype (

The focus of this work is to further develop the available experimental test set-up and to conduct experiments with the particle based centrifugal solar receiver. In the solar receiver, the ceramic particles with various diameters (0.3 – 1 mm), which are accelerated centrifugally and gravitationally, are moving in an inclined rotating drum, and exposed to solar radiation. The main objective of the study is to detect the particle motion by means of a high speed camera set-up in order to validate a DEM-model (discrete particle motion).

Your tasks:

  • Literature review of particle-based solar receiver systems and their experimental test set-ups
  • Generate methods to validate the DEM-model and conceptual design of test set-up
  • Optical design optimization and checking the compatibility of the design to the main system
  • Conducting experiments to show the effect of operational parameters on particle motion

Your benefits:

You will be the member of not only experienced and highly motivated team but also social and fun loving engineer group. Our infrastructure and know-how offers you the chance of participation in the development of promising CSP technology which reduces CO2 emission substantially. You will improve your practical skills by gaining hands-on experience and get familiar to experimental techniques used in solar receivers. The successful and hard-working candidates might be offered a PhD or project engineer position after the thesis, by which s/he accomplish her/his professional objectives.

Your qualifications:

  • Studies of mechanical engineering or similar
  • Hands-on experience in basic manufacturing processes like assembling etc. and practical skills for testing
  • Creativity and ability to do brain storming
  • Ability to work independently
  • Good Programming Skills (C++ or Python)
  • Interest in Concentrated Solar Power Systems
  • Good communication skills in English, especially in speaking and writing

Your benefits:

Look forward to a fulfilling job with an employer who appreciates your commitment and supports your personal and professional development. Our unique infrastructure offers you a working environment in which you have unparalled scope to develop your creative ideas and accomplish your professional objectives. Our human resources policy places great value on a healthy family and work-life-balance as well as equal opportunities for persons of all genders (m/f/non-binary). Individuals with disabilities will be given preferential consideration in the event their qualifications are equivalent to those of other candidates.

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Technical contact

Serdar Hicdurmaz
Institute of Solar Research

Phone: +49 711 6862-8850

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Vacancy 44285

HR department Stuttgart

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DLR site Stuttgart

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DLR Institute of Solar Research

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