194
Views
6
CrossRef citations to date
0
Altmetric
Research Article

Experimental and numerical study on coal dust ignition temperature characteristics and explosion propagation characteristics in confined space

, , , , &
Pages 2150-2164 | Received 16 Jul 2021, Accepted 21 Nov 2021, Published online: 01 Dec 2021
 

ABSTRACT

In order to reveal the ignition characteristics and explosion propagation characteristics of coal dust, a kind of coal dust cloud is studied through the experiment and numerical simulation in confined space. The result indicated that the particle size of coal dust has a significant impact on the ignition characteristics of coal dust cloud. CFD theory is used to simulate the explosion propagation characteristics in the straight and bifurcated pipelines. It is found that the flame propagation simulation result is consistent with the experimental result. In the bifurcated pipeline, from the time of 0.2 s to 0.8 s after the explosion, the flame propagates through the bifurcated pipeline. It also revealed that the flame propagation intensity of coal dust explosion in the bifurcated pipeline is affected by the structure of the pipeline, which provides a reference for the study of the propagation characteristics of coal dust explosion.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

The author appreciates the financial support from the Natural Science Foundation of China (Grant No. 12102271), the Project of Liaoning Provincial Department of Science and Technology (Grant No. 2020-BS-175), the Project of Liaoning Provincial Department of Education (Grant No. JYT19038).

Log in via your institution

Log in to Taylor & Francis Online

PDF download + Online access

  • 48 hours access to article PDF & online version
  • Article PDF can be downloaded
  • Article PDF can be printed
USD 61.00 Add to cart

Issue Purchase

  • 30 days online access to complete issue
  • Article PDFs can be downloaded
  • Article PDFs can be printed
USD 1,493.00 Add to cart

* Local tax will be added as applicable

Related Research

People also read lists articles that other readers of this article have read.

Recommended articles lists articles that we recommend and is powered by our AI driven recommendation engine.

Cited by lists all citing articles based on Crossref citations.
Articles with the Crossref icon will open in a new tab.