Needleless Electrospinning of Uniform Nanofibers Using Spiral Coil Spinnerets

Figure 5

Effects of coil dimensions on the fiber diameter, productivity, and electric field intensity, (a) and (a’) coil length 𝐷; (b) and (b’) spiral distance 𝑑; (c) and (c’) coil diameter Φ; (d) and (d’) wire diameter Φ_𝑤.