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Physical Chemistry

Department 3.3


International Workshop on Laser Diagnostics and its Application for the Renewable Energy Sector

PTB (FB 3.3) and IMEKO have come together to initiate the first international workshop focusing on application of laser diagnostics in the renewable energy sector. The workshop (Opens external link in new windowhttps://www.ptb.de/imeko-tc20/mainpage) provides a platform for participants working in the area of various laser-based diagnostic methods in different applications to come together and share their expertise in respective forums. The online workshop this year is scheduled on 7th and 8th of March, 2022.


Applied Sciences Special Issue "Laser Diagnostics and its Application"

Dr. Zhechao Qu was invited by Applied Sciences as a guest editor to organize a Special Issue on Laser Diagnostics and Its Application.
Opens external link in new windowhttps://www.mdpi.com/journal/applsci/special_issues/Laser_Diagnostics
Laser diagnostics are well-established techniques and facilitate the measurements of crucial parameters for various studies including fundamental chemistry, turbulence and fluid mechanics, combustion, reaction kinetics, and gas metrology, as well as pollution monitoring. The development of many laser-based diagnostic techniques, such as Rayleigh and Raman scattering, laser-induced fluorescence (LIF), laser-induced incandescence (LII), laser-induced breakdown spectroscopy (LIBS), and tunable diode-laser absorption spectroscopy (TDLAS), enable quantitative interpretation of measurements in very complex situations. In this Special Issue, we invite submissions exploring cutting-edge research and recent advances in a wide field of laser diagnostics, from fundamental research, reaction kinetics, combustion and environmental measurements, to their utilization in real-world scenarios. Both theoretical and experimental studies are welcome, as well as short communications and reviews. 


Hydrogen innovation laboratory

A research association made up of Leibniz Universität Hannover (LUH), TU Braunschweig, TU Clausthal, Jade Hochschule Wilhelmshaven and PTB has been receiving support from the Federal State of Lower Saxony since July 2020 initially for 15 months to set up an innovation laboratory for hydrogen technology. After a conceptual phase, the most successful innovation laboratories will be selected for a three-year implementation phase.


Cluster of Excellence SE²A (Sustainable and Energy-Efficient Aviation)

The Cluster of Excellence SE²A is an interdisciplinary research center with the purpose of investigating technologies for a sustainable and eco-friendly air transport system. Scientists from aerospace, electrical, energy and chemical engineering are working on the reduction of emissions and noise, as well as recycling and life-cycle concepts for airframes and improvements in air traffic management. Technische Universität Braunschweig, the German Aerospace Center (DLR), Leibniz University Hannover (LUH), the Braunschweig University of Art (HBK) and the National Metrology Institute of Germany (PTB) have joined forces in this extraordinary scientific untertaking.




The central task of the department is the metrology-based realization (national standards, traceability to the SI units) of precision measurements for caloric quantities (heat capacity, heat of transition, reaction enthalpy), liquid properties (viscosity, density, surface tension), dynamic concentrations (atoms, molecules, radicals), reaction rates and pressure from 102 to 109 Pa.

The metrology-based research and services are aimed towards the determination of improved reference data for materials (e. g. density of water, properties of pure fluids) and applications for process optimization such as energy conversion (e. g. kinetic parameters of fluid energy carriers). Additionally, the tasks of the department are to develop new and improved standards (e. g. pressure), measurement techniques, calibration methods and materials.

Furthermore, the department provides competent services in precision measurements and conformity assessments for measuring instruments for calorific values, density and pressure according to the Measurements and Verification Act.

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