Nanoparticle Behaviour In Combustion Processes · 2018. 3. 9. · Nadine Teuscher, Werner Baumann,...

KIT – The Research University in the Helmholtz Association

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1 g/l CeO2 in deionized water

dry air

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1 g/l CeO2 in deionized water

13 Vol.-% water in air

EMR / RU4 Feedstocks and Processes of the Future Carbon Cycle

Nanoparticle Behaviour In Combustion Processes

Objectives

Challenges

Cooperation

Nadine Teuscher, Werner Baumann, Manuela Hauser, Hanns-Rudolf Paur, Dieter Stapf

Formation of a new particle peak in dependence of temperature

Characterization of nanoparticle behaviour in combustion environments

Implementing a laboratory set up to investigate particle behaviour during combustion Selection of a suitable burner type Selection of a suitable furnace type

Adaption of measurement techniques to high temperature processes

Aerosol sampling in high temperature conditions

Laboratory set up

Suspension Atomization

50 nm

Humidity is a key parameter for the formation of a new particle peak at high temperature

Yon, J., Ouf, F.-X., Hebert, D., Mitchell, J.B., Teuscher, N., Le Garrec, J.-L., Bescond, A., Baumann, W., Ourdani, D., Bizien, T., and Perez, J. (2018). Combustion and Flame, 190, pp. 441–453.

Teuscher, N., Baumann, W., Hauser, M., Paur, H.-R., and Stapf, D. (2016). European Aerosol Conference. Tours, France, September 2016.

References

Furnace – Dry Air Furnace – Humid Air

Measurements: Electrical Low Pressure Impactor Scanning Mobility Particle Sizer Transmission Electron Microscopy

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1.2x106 vcold = 8 cm/s vcold = 10 cm/s vcold = 12 cm/s vcold = 14 cm/s

4 g/l CeO2 in deionized water = 1.0HaB = 430 mm

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= 1.0average values over the burner surface at HaB = 15 mm

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