Velocity measurement of pneumatically conveyed particles via a …
2023年1月1日 · The particle velocity of fine glass beads as well as dehydrated and non-dehydrated amorphous silica particles were measured while being pneumatically conveyed in a narrow stainless steel tube. Particle velocity was also measured by using video imaging technique, and results were in good agreement with the new proposed method.
Characterization of non-spherical particle tribocharging during ...
2024年12月13日 · Since the ellipsoids have roughly the same equivalent diameter and particle volume, the charge each particle can hold is similar, which explains the close maximum specific charge for extreme oblate and prolate particles. ... Integrated DEM–CFD modeling of the contact charging of pneumatically conveyed powders. Powder Technology, 258 (2014 ...
A comparative study of induced and transferred charges for mass …
2019年11月1日 · Triboelectric charging of particles in pneumatic conveying pipelines due to inter-particle and particle-wall collisions as well as air–particle friction is a well-known phenomenon [1].
A Study of Electrostatic Charges on Pneumatically Conveyed Solids
2021年11月9日 · Non-restrictive, electrostatic methods have been used for measuring solids concentration of pneumatically conveyed solids under ‘lean-phase’ conditions. The passive measurement is based on the phenomena that, during pneumatic transportation, the solids particles can become naturally charged due to particle-particle interaction, particle ...
A comparative study of induced and transferred charges for mass …
2019年9月1日 · Accurate measurement of the particle size distribution of pneumatically conveyed pulverized fuel is critical to achieving optimal combustion efficiency and minimum pollutant emissions at coal...
Velocity measurement of pneumatically conveyed particles via a …
2022年10月1日 · The flow dynamics of binary particle mixtures in the fluidized bed needs to be monitored in order to optimize the related industrial processes. In this paper, electrostatic sensing and high-speed … Expand
Therefore, an electrostatic sensing system that is capable of measuring the particle velocity and 76 volumetric concentration profiles over the whole pipe cross section is desirable for the quantitative 77 characterisation of pneumatically conveyed particles.
(PDF) Electrostatic Charge Generation in Pneumatic Conveying …
2019年1月1日 · Our numerical simulations predicted that the particle Poisson ratio and Young's modulus, its electrical resistivity, as well as the permittivity represent promising measures to control the...
Velocity measurement of pneumatically conveyed particles via a …
2022年10月1日 · Particle velocity in pulse feeding pneumatic conveying was measured utilizing current signal analysis and video imaging. Glass beads and silica particles were conveyed in a conductive tube (ID...
Characterization of the Velocity and Concentration of Pneumatically ...
Experimental results show that in circular and square pipes, the waveguide protruded into the flow between 2 and 10 mm results in a reduction in particle velocity of approximately 32.5%–34.5% and 32.7%–34.8%, respectively, and an increase in particle concentration of approximately 4.1%–19.5% and 4.6%–21.8%, respectively.