Retraction of 'Linear model of a T-junction microdroplet generator for precise control of droplet size' by Wen Zeng, et al., Soft Matter, 2015, DOI: .
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http://dx.doi.org/10.1039/c6sm90065h | DOI Listing |
Langmuir
August 2024
SERB Sponsored Microfluidics Laboratory, Department of Mechanical Engineering, Jadavpur University, Kolkata 700032, India.
Despite extensive research on droplet dynamics at microfluidic T-junction, for different droplet lengths and Capillary numbers, there remains limited understanding of their dynamics at different viscosity ratio. In this study, we adopt a modeling framework in a three-dimensional (3D) configuration to numerically investigate the droplet dynamics as it passes through a symmetric T-junction with varying Capillary numbers, droplet lengths, and viscosity ratios. We present a 3D regime map for the first time to demarcate the droplet breakup and no breakup regimes.
View Article and Find Full Text PDFJ Mater Chem B
August 2024
Department of Material Engineering, Indian Institute of Science, Bangalore, Karnataka 560012, India.
Four-dimensional (4D) printing of hydrogels enabled the fabrication of complex scaffold geometries out of static parts. Although current 4D fabrication strategies are promising for creating vascular parts such as tubes, developing branched networks or tubular junctions is still challenging. Here, for the first time, a 4D printing approach is employed to fabricate T-shaped perfusable bifurcation using an extrusion-based multi-material 3D printing process.
View Article and Find Full Text PDFIEEE Trans Vis Comput Graph
June 2024
We propose a new method for computing smooth and integrable cross fields on 2D and 3D surfaces. We first compute smooth cross fields by minimizing the Dirichlet energy. Unlike the existing optimization based approaches, our method determines the singularity configuration, i.
View Article and Find Full Text PDFPhys Rev E
March 2024
Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany.
We report on high-precision measurements that were performed with superconducting waveguide networks with the geometry of a tetrahedral and a honeycomb graph. They consist of junctions of valency three that connect straight rectangular waveguides of equal width but incommensurable lengths. The experiments were performed in the frequency range of a single transversal mode, where the associated Helmholtz equation is effectively one-dimensional and waveguide networks may serve as models of quantum graphs with the joints and waveguides corresponding to the vertices and bonds.
View Article and Find Full Text PDFLangmuir
December 2023
Chemical Engineering, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar, Gujarat 382355, India.
In recent years, there has been a notable increase in the interest toward microfluidic devices for microbubble synthesis. The upsurge can be primarily attributed to the exceptional control these devices offer in terms of both the size and the size distribution of microbubbles. Among various microfluidic devices available, capillary-embedded T-junction microfluidic (CETM) devices have been extensively used for the synthesis of microbubbles.
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