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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Measurement of turbulent burning velocities by means of the open tube method
Fraunhofer-ICT is one of the participants of EU-project DESC. The final objective of DESC is the development of a numerical code to be able to support a safe design of dust handling facilities. Fh-ICT designed an apparatus based on the so called open tube method (Andrews, G. E., & Bradley, D. (1972). Determination of burning velocities: a critical review. Combustion and Flame 18,133-153) by means of which the relation between turbulent burning velocity and turbulence intensity in the range of 1 m/s < u' < 3 m/s can be determined. A special feature of the experiment is the measurement of turbulence intensity in situ with sensors of the Pitot-type. In numerical codes for the safe design of industrial facilities handling with explosible dusts, one of the most important inputs is a relation between turbulence parameters of the dust/air mixture and turbulent burning velocity of the flame. Normally, turbulence intensity is measured by means of LDA, but there the particle effect is not taken care of. Thus, sensors should be available to measure turbulence data in situ (during combustion until the flame arrives at the sensor). Sensors of the Pitot-type might be suitable for this application.
Measurement of turbulent burning velocities by means of the open tube method
Fraunhofer-ICT is one of the participants of EU-project DESC. The final objective of DESC is the development of a numerical code to be able to support a safe design of dust handling facilities. Fh-ICT designed an apparatus based on the so called open tube method (Andrews, G. E., & Bradley, D. (1972). Determination of burning velocities: a critical review. Combustion and Flame 18,133-153) by means of which the relation between turbulent burning velocity and turbulence intensity in the range of 1 m/s < u' < 3 m/s can be determined. A special feature of the experiment is the measurement of turbulence intensity in situ with sensors of the Pitot-type. In numerical codes for the safe design of industrial facilities handling with explosible dusts, one of the most important inputs is a relation between turbulence parameters of the dust/air mixture and turbulent burning velocity of the flame. Normally, turbulence intensity is measured by means of LDA, but there the particle effect is not taken care of. Thus, sensors should be available to measure turbulence data in situ (during combustion until the flame arrives at the sensor). Sensors of the Pitot-type might be suitable for this application.
Measurement of turbulent burning velocities by means of the open tube method
Messung der Strömungsgeschwindigkeit bei turbulenter Verbrennung in Testvorrichtung mit offenem Rohr
Schneider, H. (Autor:in)
2006
5 Seiten, 9 Bilder, 4 Tabellen, 4 Quellen
Aufsatz (Konferenz)
Englisch
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