This thesis is a contribution to the dilute-phase pneumatic conveying analysis.
The survey of the key parameters of a pneumatic transport of bulk solids which are: the
minimum conveying air velocity and pressure drop in horizontal and vertical pipelines.
Therefore, an analysis of the main correlations available in the literature is made
focused on the prediction of such critical velocities, and so proposes the use the most
reliable correlations. In this way, an equation to predict the pickup velocity of the
particles at the bottom of a horizontal pipeline was also developed. Then was analyzed
the behavior of the pressure drop due to the solids and system properties using two
computer programs, one of them does not consider the pressure drop in the acceleration
zone in its formulation (algorithm). So, it is possible to understand what is the
contribution of the acceleration zone in the total pressure drop of system and which is
the range of application of each program. It is also done through mathematical
modeling, the sensitivity analysis of the initial porosity of the bulk solids in the pressure
drop along the pipeline as a function of parameters such as: solids mass flowrate,
pipeline length, particles density and pipeline diameter.
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