Results 211 to 220 of about 12,329 (259)

Peristaltic flow of sutterby nanofluid in a stenosed artery with ciliated endothelium and wall roughness under hall and ion slip effects. [PDF]

Sci Rep
Mostapha DR, Eldabe Nabil TM, Abbas W.
europepmc   +1 more source

Mechanical Performance of Novel 3D-Printed Symmetric Corrugated Hierarchical Honeycombs. [PDF]

Polymers (Basel)
Zhang D, Ma J, Liu L, Zhu Y, Guo A, Qu P, Guo S, Song Z, Song Y, Wang S.   +9 more
europepmc   +1 more source

Processing and Modeling of Alginate Hydrogel for Radiologically-Equivalent Biomedical Phantoms. [PDF]

Gels
Ilegbusi OJ, Brako GN, Maiti C, Gou J.
europepmc   +1 more source

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Empirical correlations for axial dispersion coefficient and Peclet number in fixed-bed columns

Journal of Chromatography A, 2017
In this work, a new correlation for the axial dispersion coefficient was obtained using experimental data in the literature for axial dispersion in fixed-bed columns packed with particles. The Chung and Wen correlation, the De Ligny correlation are two popular empirical correlations. However, the former lacks the molecular diffusion term and the latter
Tingyue Gu, Seyed Omid Rastegar
exaly   +3 more sources

Variation of the local effective axial dispersion coefficient with bed height in expanded beds

Chemical Engineering Journal, 2005
Abstract The local axial dispersion characteristics are very important and fundamental for the analyzing, modeling and understanding of biomolecules adsorption performance in expanded bed adsorption. In this work, the local effective axial dispersion coefficients along the bed height of an expanded bed system with porous adsorbent particles ...
Dong-Qiang Lin, Junxian Yun, Shanjing Yao   +2 more
exaly   +2 more sources

Effective axial dispersion coefficients in packed beds under supercritical conditions

Journal of Supercritical Fluids, 1998
Abstract Effective axial dispersion coefficients Dax in packed beds were measured by the chromatographic method at 313.2 K both for supercritical CO2 in the pressure range from 11 to 35 MPa and for organic solvents at atmospheric pressure. The Dax values were correlated with the Reynolds number, Schmidt number, binary diffusivity and bed void ...
Toshitaka Funazukuri, Seiichiro Kagei
exaly   +2 more sources

Measurement of heat-transfer coefficient and axial-dispersion coefficient using temperature oscillations

Experimental Thermal and Fluid Science, 1993
Abstract A periodic transient test technique based on the axial dispersion model is proposed for the determination of both heat transfer coefficients and axial dispersion coefficients in heat exchangers. The model uses a parameter called the axial dispersive Peclet number to account for the deviation of the flow pattern from ideal plug flow. It takes
W. Roetzel, X. Luo, Y. Xuan
openaire   +1 more source

Axial dispersion coefficient in high-speed counter-current chromatography

Journal of Chromatography A, 2009
Experimental measurements of axial dispersion coefficients in high-speed counter-current chromatography have been carried out in the single-phase and two-phase modes. Axial dispersion coefficients were calculated from the residence time distribution curve (or the elution profile).
Zhao, Chun-Xia, Xua, Ya-Lan, He, Chao-Hong   +2 more
openaire   +4 more sources

On the constancy of axial dispersion coefficients in liquid fluidized beds

The Chemical Engineering Journal, 1992
Abstract The assumption of constant axial dispersion coefficient in residence time distribution (RTD) experiments is examined for liquid fluidized beds. Experimental results show this assumption to be violated in short beds. A quantitative criterion is proposed for the constraint required to achieve the true value of the axial dispersion coefficient ...
Mohammad Asif, Nicolas Kalogerakis, Leo A. Behie   +2 more
openaire   +1 more source