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L H2-Tank Rupture Tests

Experiment ID LH2-Tank rupture tests
Short Description Tanks for cars with liquid hydrogen up to 70 l were ruptured at the top and the instantaneous jet ignited: high speed cinematography, pressure measurements and radiation measurements at distances of about 20 - 22 m
What phenomena were studied Tables, graphs of Pressure, radiation intensity, temperatures depending on time

Films of the events

What phenomena / effects can be studied Quantitative measurement of radiation in correlation to pressure and time
Instrumentation Transient pressure time histories have been recorded at various positions. 11 Kistler piezoelectric pressure transducers

High speed cameras up to 2 000 frames /s Spectroscopy: UV:  Diode array, 300-330nm, 0.1 nm, scan 10 ms,
                             Filter wheel continuously 1.2-2.4 µm, scan 10 ms
                             Filter wheel continuously 2.5-14 µm, scan 10 ms
                             2-Colour Pyrometer Si/Ge-Sandwich, 1MHz

Test variables
Data description / Data completeness
Data availability From BMW and Fraunhofer ICT
Source of data / Reference Results: Report: EQHHPP –Tankberstversuche,Pfinztal-Berghausen Mai 1993

Eckl, W. Eisenreich, N. ; Herrmann, M.M. ; Weindel, M.: Emission of radiation from liquefied hydrogen explosions, Chem.-Ing.Tech. (1995) 67 (8), 1015-17

Why were chosen Detailed quantitative spectroscopic and pyrometrical measurements of jet explosions from bursting tanks at real scale
Relevance to the project purposes Repeated tests with varying configurations and mass of hydrogen.

Impurities mix into water band radiation a continuous radiation

Experimental data
Results of simulations
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Page last modified on October 14, 2009, at 11:45 AM