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http://hdl.handle.net/10397/65480
Title: | Flame propagation of premixed liquefied petroleum gas explosion in a tube | Authors: | Huo, Y Chow, WK |
Issue Date: | 25-Feb-2017 | Source: | Applied thermal engineering, 25 Feb. 2017, v. 113, p. 891-901 | Abstract: | Flame propagation in premixed liquefied petroleum gas (LPG) explosion was studied experimentally in a tube of diameter 2.6 m and length 25 m. Experiments on LPG explosion were conducted in a single zone first in this large explosion tube. The explosion tube was then divided into two zones with different mixing ratios of LPG and air. A thin polyvinyl chloride (PVC) film sheet was used to adjust the length of each zone. A total of three single-zone experiments and five two-zone experiments were carried out. Explosion phenomena and flame propagation in the tube were studied analytically using experimental results and theoretical analysis. A simple model for the flame propagation was proposed and tested using the experimental data in the present study and some literature results. Flame propagation characteristics were found with a general trend to vary with time as an exponential function for adequate fuel with uniform concentrations within a certain distance of the tube. The flame propagation speed at a point in explosion depends on the turbulent burning speed and expansion ratio. Experimental data deviated more from the empirical exponential function for larger variations of fuel concentrations. | Keywords: | Explosion Flame propagation Premixed fuel gas Tube experiment |
Publisher: | Pergamon Press | Journal: | Applied thermal engineering | ISSN: | 1359-4311 | EISSN: | 1873-5606 | DOI: | 10.1016/j.applthermaleng.2016.11.040 | Rights: | © 2016 Elsevier Ltd. All rights reserved. © 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/ The following publication Huo, Y., & Chow, W. K. (2017). Flame propagation of premixed liquefied petroleum gas explosion in a tube. Applied Thermal Engineering, 113, 891-901 is available at https://doi.org/10.1016/j.applthermaleng.2016.11.040 |
Appears in Collections: | Journal/Magazine Article |
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Flame_Propagatipremixed_Liquefied.pdf | Pre-Published version | 1.4 MB | Adobe PDF | View/Open |
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