2023
DOI: 10.1016/j.ces.2022.118360
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Fluidization regimes of dense suspensions of Geldart group A fluidized particles in a high aspect ratio column

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Cited by 7 publications
(5 citation statements)
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“…Increasing the air velocity results in a decrease of the particle volume fraction and in the dilution of the mixture. This variation leads to an increase of the particle mass flux since the pressure drop created by the fluidized bed decreases (it is proportional to the particle volume fraction) [8]. 3.…”
Section: Resultsmentioning
confidence: 99%
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“…Increasing the air velocity results in a decrease of the particle volume fraction and in the dilution of the mixture. This variation leads to an increase of the particle mass flux since the pressure drop created by the fluidized bed decreases (it is proportional to the particle volume fraction) [8]. 3.…”
Section: Resultsmentioning
confidence: 99%
“…A previous study with the same configuration but with a single tube resulted in the calibration map represented in Figure 2 [8]. This map is a plot of the particle mass flux (Gp) versus the pressure imposed at the bottom of the dispenser.…”
Section: Methodsmentioning
confidence: 99%
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“…The particle volume fraction in the receiver tube, 𝛼𝛼, is calculated based on the measurement of the pressure drop between two pressure probes (Δ𝑃𝑃) with Equation 1, neglecting pressure drops due to particle acceleration and friction [6]. In Eq.…”
Section: Particle Volume Fractionmentioning
confidence: 99%
“…However, the fluidization regimes have not been explored during the previous on-sun experimental campaigns [5] and the influence of temperature on these regimes is poorly detailed in the literature. Bubbling, slugging, turbulent fluidization and fast fluidization regimes have been identified in the receiver at ambient temperature [6,7]. The turbulent fluidization regime being associated to high wall-to-fluidized particle heat transfer coefficient [8], it should be favored to improve the solar receiver performances.…”
Section: Introductionmentioning
confidence: 99%