The effective of the inner radius of the iron free coil on the paraxial ray for magnetic lenses

Al-kadumi, AhmedK.; Al-Baghdadi, M.

doi:10.1088/1742-6596/1879/3/032095

Cited by 1 publication

(1 citation statement)

References 7 publications

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“…Nanofibers are one type of fiber materials with a diameter of tens to hundreds of nanometers [1,2]. Materials composed of nanofibers have high performance, such as high porosity, outstanding mechanical properties, and a good face area ratio [3,4]. The main characteristics of nanofiber materials are the macroscopic quantum tunneling effect, small size effect, surface effect, and quantum size effect [5].…”

Section: Introductionmentioning

confidence: 99%

Optimization Mechanism of Nozzle Parameters and Characterization of Nanofibers in Centrifugal Spinning

Guo,

Ye,

Zhang

et al. 2023

Nanomaterials

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Nanofibers are an emerging kind of nano-material, widely used in several application domains such as biomedicine, high-efficiency filtration media, precision electronics, and optical devices. Centrifugal spinning, which is a novel nanofiber production technology, has been widely studied. This paper proposes a structural parameter optimization design method of a bent-tube nozzle. The mathematical model of the spinning solution motion in the nozzle is first developed. The optimization function of the structure parameters of the bent-tube nozzle is then obtained by calculation. Afterwards, these parameters are optimized using a neural network algorithm. The obtained results show that, when the bending angle is 15°, the curvature radius is 10 mm, the outlet radius is 0.205 mm, and the head loss of the solution can be minimized. Finally, centrifugal spinning experiments are conducted and the influence of the centrifugal spinning parameters on the nanofibers is analyzed. In addition, the optimized bent-tube nozzle improves the surface morphology of the nanofibers as their diameter distribution becomes more uniform.

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