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Head of Department Thermal Energy Systems, Dean of Studies RET, Research Associate

Department:

Department of Engineering

Study area:

IT, Technology & Engineering

Research areas:




  • Numerical flow simulation (optimisation of flow and heat transfer)

  • Head of Laboratory Thermal Energy Systems Laboratory

  • Test rig construction (hardware and software), fluid distribution, heat transfer, structural analysis

  • Studies on the energy efficiency of special buildings, feasibility studies



Institute or organisation:

in.RET | Institute for Regenerative Energy Technology


  • 2001-2004

    Apprenticeship as a draughtsman for civil engineering, Würzburg

  • 2005-2009

    Studied regenerative energy technology at Nordhausen University of Applied Sciences

  • 2009-2012

    Study Systems Engineering at the University of Applied Sciences Nordhausen

  • since 2009

    Dissertation

    Topic: Theoretical and experimental investigations into the development of a solar thermal glass collector, Nordhausen University of Applied Sciences and University of Kassel, 2023



2023



  • Leibbrandt; Giovannetti; Schabbach; Jordan: Collector Efficiency Curves considering an Adapted Calculation Approach for Convective Heat Transfer in Insulating Gas Layers of Solar Collectors. ISES EuroSun, Kassel (2022)


2022



  • Leibbrandt; Giovannetti; Schabbach; Jordan: Improved calculation approach of the heat transfer in inclined insulating gas layers. Solar Energy. Volume 231, January 2022, Pages 252-261


2021



  • Leibbrandt: Renewable Energy Systems (M.Eng.) degree programme. DGS university group meeting (2021)

  • Schabbach; Leibbrandt: Solarthermie - Wie Sonne zu Wärme wird. 2nd edition, Springer. Heidelberg (2021)

  • Leibbrandt: Solar thermal energy - How sun becomes heat. Lecture series Climate Pavilion, Nordhausen (2021)


2020



  • Leibbrandt; Schabbach: Optimised Design of the Insulating Gas Layer in Solar Thermal Collectors. 13th ISES EuroSun, Athens (2020)

  • Leibbrandt; Schabbach: PrimOS Ltd - Virtual Development Office for Solar Thermal Systems. 30th Symposium on Solar Thermal Energy and Innovative Heating Systems. Bad Staffelstein 2020

  • Leibbrandt: Optimised determination of heat transfer in gas layers of solar thermal collectors. in.RET Seminar 2020, Zeulenroda (2020)


2019



  • Leibbrandt: Theoretical and experimental investigations on the development of a solar thermal glass collector - heat transfer in the gas layer. Working group seminar on solar thermal energy, Kassel (2019)

  • Leibbrandt: Heat transfer in insulating gas layers with large aspect ratio. in.RET Seminar 2019, Wilhelmsglücksbrunn (2019)


2018



  • Leibbrandt; Schabbach; Dölz; Rhein: Investigation results on flow and heat transfer in the all-glass collector. Symposium Solar Thermal Energy 2018, Bad Staffelstein (2018)

  • Schabbach; Leibbrandt; Dölz; Rhein; Kemter: Performance, suitability for use and costs of the glass-only collector - results. Symposium Solar Thermal Energy 2018, Bad Staffelstein (2018)

  • Leibbrandt: From insulating glass window to solar collector. GradLAB, Kassel (2018)


2017



  • Leibbrandt; Schabbach; Dölz; Rhein: Experimental and numerical investigations on the full volumetric flow of insulating glass collectors. 27th OTTI Symposium Thermal Solar Energy, Bad Staffelstein (2017)

  • Leibbrandt; Schabbach; Dölz; Rhein: Experimental and CDF Optimisation on Flow and Heat Transfer to a Solar Flat-Plate Glass Collector. Solar World Congress 2017, Abu Dhabi (2017)

  • Leibbrandt: Glass covers in solar thermal energy - hands-on materials testing. Long Night of the Future, Nordhausen (2017)

  • Rhein: Glass-only solar flat-plate collector - Development of a cost-effective solar flat-plate collector system based on glass, structure, flow and heat transfer. in.RET Seminar 2017, Arnstadt (2017)


2016



  • Dölz; Schabbach; Leibbrandt; Rhein: Low-cost collector test rig for quasi-dynamic measurements in the high-temperature range. 26th OTTI Symposium Thermal Solar Energy, Bad Staffelstein (2016)

  • Leibbrandt; Schabbach; Dölz; Rhein: CFD investigations on convective heat losses in gaps between panes with a large aspect ratio. 26th OTTI Symposium Thermal Solar Energy, Bad Staffelstein (2016)

  • Rhein; Schabbach; Dölz; Leibbrandt: Structural analysis of a glass-only collector considering static and dynamic loads. 26th OTTI Symposium Thermal Solar Energy, Bad Staffelstein (2016)

  • Leibbrandt; Schabbach; Dölz; Rhein: Experimental and CFD investigations on full volumetric flow to a solar flat-plate glass collector. 11th ISES EuroSun, Palma (2016)

  • Leibbrandt: Glass-only solar flat plate collector - Development of a cost-effective glass-based solar flat plate collector system. Lecture series on engineering sciences, Nordhausen (2016)

  • Leibbrandt: Development of a cost-effective solar flat plate collector system based on glass. Strategy Day Faculty of Engineering Sciences, Nordhausen (2016)


2015



  • Leibbrandt: Theoretical and experimental investigations on the development of a solar thermal glass collector. Working group seminar on solar thermal energy, Kassel (2015)

  • Leibbrandt: On the way to the all-glass collector - challenges and solutions. 2nd Day of Research, Nordhausen (2015)

  • Leibbrandt: Glass-only solar flat plate collector - Development of a cost-effective glass-based solar flat plate collector system. Lecture series in.RET, Nordhausen (2015)

  • Leibbrandt: Glass-only solar flat-plate collector - Development of a cost-effective solar flat-plate collector system based on glass. in.RET Seminar, Mühlhausen (2015)


2014



  • Leibbrandt; Schabbach: Optimalisering van standaard zonneboilers. In: de onderneming - sanitair, verwarming, aircondinditioning. bvba-Verlag. Brussels (2014)

  • Schabbach; Leibbrandt: Solarthermie - Wie Sonne zu Wärme wird. Springer. Heidelberg (2014)

  • Leibbrandt; Schabbach; Weber: Flat-plate collectors made of glass - initial test results. 24th Symposium on Thermal Solar Energy, Bad Staffelstein (2014)

  • Leibbrandt; Schabbach: Glass-only solar flat-plate collector project. in.RET Seminar, Zeulenroda (2014)

  • Leibbrandt: Fluid distribution and investigation of heat transfer on a new type of solar flat-plate collector. STAR Global Conference, Vienna (2014)

  • Leibbrandt; Schabbach: Numerical Investigation on Heat Transfer, Fluid Distribution and Solid Stress to a New Type of Solar Flat Plate Collector. 10th ISES EuroSun, Aix-les-Bains (2014)

  • Leibbrandt: Theoretical and experimental investigations on the development of a solar thermal glass collector. Working group seminar on solar thermal energy, Kassel (2014)


2013



  • Leibbrandt; Schabbach: Optimisation of standard solar storage tanks. In: HLH - Heating - Ventilation - Building Services. Springer - VDI-Verlag. Düsseldorf (2013)

  • Leibbrandt; Schabbach: Optimisation of standard solar storage tanks - project results. 23rd OTTI Symposium on Thermal Solar Energy. Bad Staffelstein (2013)


2012



  • Leibbrandt: Optimisation of Solar Heat-Storages by Computational Fluid Dynamics and Prototype-Testing. 4th International Week: Socially Responsible Business and Technologies. Vilnius (2012)

  • Leibbrandt; Schabbach: Optimisation of standard solar storage tanks by flow simulation. 22nd OTTI Symposium on Thermal Solar Energy. Bad Staffelstein (2012)


2011



  • Leibbrandt: Case study on the energy-efficient redesign of listed building complexes. Conference on Renewable Energies. Krakow (2011)


2010



  • Leibbrandt: Optimising energy efficiency using the example of the Nordhausen bathhouse. Renewable energies in the property industry - from theory to practice. Nordhausen (2010)






Courses


in the study programmes RET, RES, ESY and WINTEC



  • Solar Thermal Laboratory (RES)

  • Numerical Methods in Heat and Mass Transfer (RES, ESY)

  • Project Management (RES)

  • Practical course in thermal energy systems (RET)

  • Bachelor thesis seminar (RET, WINTEC, ET, MAB)

  • WINTEC practical seminar (WINTEC)

  • Introduction to Renewable Energy Systems (RES)

  • Scientific Project (RES)


Further university involvement



  • Member of the Institute for Regenerative Energy Technology - in.RET

  • Member of the Faculty Council of the Faculty of Engineering (from 2016)

  • Member of the teaching advisory board of Nordhausen University of Applied Sciences

  • Member of the University Expert Committee of the German Solar Energy Society

  • School sponsor Wilhelm von Humboldt State Grammar School, Nordhausen




Impressions from everyday research

A complex technical device for mass flow measurement consisting of pipes, cables and valves attached to a metal structure. Several measuring instruments and cables are connected to it.
Coriolis module for mass flow measurement
A storage tank testing system in accordance with DIN EN 12977, which is set up in a laboratory room. The system consists of pipes, valves and measuring devices mounted on a metal frame. A computer for data acquisition is located next to it.
Memory test bench according to DIN EN 12977
A person wearing safety goggles performs a temperature measurement on thin-film modules. The scene is dimly lit and the person is using a measuring instrument pointed at a light-coloured surface.
Temperature measurement on thin-film modules

Dr Pascal Leibbrandt

Dr Pascal Leibbrandt