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Dense suspension of solid particles as a new heat transfer fluid for concentrated solar thermal plants: On-sun proof of concept [PDF]
Chemical Engineering Science, 2013 This paper demonstrates the capacity of dense suspensions of solid particles to transfer concentrated solar power from a tubular receiver to an energy conversion process by acting as a heat transfer fluid.
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Chemical Engineering Science, 1994
Abstract This paper deals with the prediction of the impeller speed required for complete suspension of solid particles. Based on the inspection analysis of the governing equations, the dimensionless equation expressing such impeller speed was proposed. The specific forms of this equation were determined experimentally for a six-pitched blade turbine
Frantisek Rieger, Pavel Ditl
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Abstract This paper deals with the prediction of the impeller speed required for complete suspension of solid particles. Based on the inspection analysis of the governing equations, the dimensionless equation expressing such impeller speed was proposed. The specific forms of this equation were determined experimentally for a six-pitched blade turbine
Frantisek Rieger, Pavel Ditl
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The Steady Burning of a Solid Particle
SIAM Journal on Applied Mathematics, 1982We consider the quasi-steady burning of a carbon particle which undergoes gasification at its surface by chemical reactions, followed by a homogeneous reaction in the gas phase. The burning rate M is found as a function of the gas phase Damköhler number \(D_ g\) for the whole range ...
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Agglomeration of solid particles
Cement and Concrete Composites, 2001Abstract We characterize the fractal dimension of the projection of carbon black aggregates and carbon black aerosol clusters by image analysis of transmission electronic microscopy (TEM) and optical microscopy (OM). The results are compared to a numerical model in order to determine the real three-dimensional fractal dimension and the lower cut-off ...
S Sigrist, R Jullien, J Lahaye
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Chemical Engineering Science, 1953
Abstract The theoretical concepts of complete and incomplete mixing have been discussed, and a definition for complete mixing has been proposed, using a statistical hypothesis as the test criterion. The application of this has been confirmed experimentally and it has been shown that, with random sampling, n , the number of particles in a sample, and
R. Blumberg, J.S. Maritz
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Abstract The theoretical concepts of complete and incomplete mixing have been discussed, and a definition for complete mixing has been proposed, using a statistical hypothesis as the test criterion. The application of this has been confirmed experimentally and it has been shown that, with random sampling, n , the number of particles in a sample, and
R. Blumberg, J.S. Maritz
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Collection of Czechoslovak Chemical Communications, 1995
The results of agitator speed measurements for complete suspension of solid particles reported earlier were completed by new measurements in larger vessel and with smaller particles and with particles of different density. Good agreement between earlier and new results justifies the applicability of the correlation proposed for calculation of critical ...
František Rieger, Václav Sinevič
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The results of agitator speed measurements for complete suspension of solid particles reported earlier were completed by new measurements in larger vessel and with smaller particles and with particles of different density. Good agreement between earlier and new results justifies the applicability of the correlation proposed for calculation of critical ...
František Rieger, Václav Sinevič
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An Apparatus and Method for the Coating of Solid Particles
Journal of Pharmaceutical Sciences, 1968A method for the coating of discrete solid particles and a diagram of the apparatus used is presented. In this process, solid particles are educted from a fluidized bed by a turbulent gas jet, separated into discrete units, and transported upward through a converging cone into a coating application zone.
M J, Robinson, G M, Grass, R J, Lantz
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Foam drainage in the presence of solid particles
Soft Matter, 2016We conducted forced drainage experiments to study the liquid flow within the foams stabilized by a cationic surfactant (CTAB) in the presence of partially hydrophobic silica particles. The results show that the presence of solid particles, even when present in small amounts (0.0932 g L(-1) foam), can significantly decrease the foam permeability.
Wang, J., Nguyen, A. V.
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Inclusion of solid particles in bacterial cellulose
Applied Microbiology and Biotechnology, 2002Depending upon the strain and the method of cultivation, bacterial cellulose can be reticulated filaments, pellets, or a dense, tough gel called a pellicle. The pellicular form is commonly made by surface culture, but a rotating disk bioreactor is more efficient and reduces the time of a run to about 3.5 days instead of the usual 12-20 days.
G, Serafica, R, Mormino, H, Bungay
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Chemical Engineering Research and Design, 2008
A procedure for the direct numerical simulation (DNS) of the mixing of a passive scalar dissolved in a fluid phase due to the motion of spherical solid particles relative to the fluid is outlined. The procedure is based on solving the fluid flow in between the solid spheres with the lattice Boltzmann method, a molecular dynamics type of approach for ...
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A procedure for the direct numerical simulation (DNS) of the mixing of a passive scalar dissolved in a fluid phase due to the motion of spherical solid particles relative to the fluid is outlined. The procedure is based on solving the fluid flow in between the solid spheres with the lattice Boltzmann method, a molecular dynamics type of approach for ...
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