Research Article

Pulsatile Flow of Two-Fluid Nonlinear Models for Blood Flow through Catheterized Arteries: A Comparative Study

Table 3

Range of increase in the longitudinal impedance for different types of catheters for two-fluid H-B model and two-fluid Casson model with A=α=αH=αC=0.5, R1=0.95, t=45°, and θ=0.1.

Type of catheter Range of catheter Two-fluid H-B Two-fluid
size di/d0model with n=0.95Casson model

Guidewire 0.08–0.18 1.143–1.303 1.159–1.375
Infusion 0.14–0.33 1.239–1.569 1.264–1.768
Angioplasty catheter 0.3–0.6 1.512–2.314 1.641–3.558