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In order to study the explosion of micro‐sized and nanosized iron powder, the explosion overpressure and flame propagation were measured in a 20‐L near‐spherical explosion pressure experiment and a Hartmann tube experiment. The explosion overpressure experiments show that the optimum explosion concentrations of micro‐sized and nanosized iron powder are 750 and 375 g/m3, respectively. The maximum explosion...
Taking three kinds of micron aluminum powder as the research object, taking the deflagration characteristics and dynamic mechanism of aluminum dust as the main line of research, using high‐speed camera system and temperature measurement system to study the dust cloud of three kinds of aluminum powder with different concentration in the transparent pipe dust flame The flame shape, propagation speed,...
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