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combustion

topofbed

Fig. 1: MR measurements of the top of a deep fluidised bed. (a) Single slug eruption event, (b) multiple slug eruption events, (c) schematic of the eruption of a slug in a deep fluidised, (d) magnification of the red circled area in Fig. 1(a).

slugging2

Fig. 2. Novel slugging bed in operation

sketch

 
shallowbed

Fig. 3: Ultra-fast MRmeasurements, showing the rise of bubbles in a shallow fluidise bed.

risevel

Fig. 2: Rise velocity of bubbles and slugs (MR measurements)

reactionstart3

 
reactionstart2

 
pivpicture

Fig. 8: Velocity and Vorticity distribution around a rising bubble in a 2D fluidized bed.

mechanicalmixing

Fig. 1. Mechanically mixed particle with 82.5 % CuO

jetvel

Fig. 6: Velocity distribution around a jet in a packed bed.

jets

Fig. 5: Gas jets in fluidised beds

gulfstreaming

 
demsetup

Fig.1: Dimensions of the simulated and measured system

demmri

Fig. 2: Comparison between MR measurements and DEM simulation. Full black dots are MR measurements. Open symbols are DEM simulations using different drag laws.

copricitation

 
combustion

 
Combustion Group 2012

 
calcinedlimestone

Fig. 1: SEM picture of calcined limestone

bigdem

 
algae3

Fig. 1: Algae reactor on the roof of the Engineering Department

3334 realtime

Fig. 7: Ultra-fast MR imaging of the bubble detachment at an orfice in a bed of particles.

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