Paper Title:
Comparative Experimental Study on Explosion Characteristics of Nano-Aluminum Powder and Common Aluminum Powder in the Explosive Device of a Long Pipeline
  Abstract

In order to study the explosion characteristics of nanometer aluminum, comparative experimental studies on explosion characteristics of nanometer aluminum powder and common aluminum powder with different grain diameters have been carried out by using the horizontal pipeline explosive test device. After analyzing both the explosion process and the data of explosion characteristics of two aluminum powder during the experiment, some explosion characteristics of nanometer aluminum powder different from common aluminum powder can be concluded. Research result expressed: The maximal duration of explosion pressure of nanometer aluminum powder in its explosion process is much longer, which is about 3 to 4 times longer than non-nanometer aluminum; In the nanometer range, the scope of explosion pressure is much wider (between the 40~750kPa) than others, and as a whole, explosion pressure of the nanometer aluminum powder is much higher than the micron aluminum powder; In the process of explosion propagation of aluminum powder, flame combustion wave and explosion pressure wave show the positive feedback mechanism, which is interacting with each other and accelerating each other.

  Info
Periodical
Advanced Materials Research (Volumes 341-342)
Edited by
Liu Guiping
Pages
113-118
DOI
10.4028/www.scientific.net/AMR.341-342.113
Citation
C. Zhang, B. Q. Lin, W. X. Li, C. Zhai, C. J. Zhu, "Comparative Experimental Study on Explosion Characteristics of Nano-Aluminum Powder and Common Aluminum Powder in the Explosive Device of a Long Pipeline", Advanced Materials Research, Vols. 341-342, pp. 113-118, 2012
Online since
September 2011
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Price
$32.00
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