01

IDT [°C]η app [Pa·s]γ app [1/s]L/D

02

τ app = η app · γ app
Δp = 4 · η app · γ app · (L/D)
Δp = a · (L/D) + b
τ B = (Δp − b) / (4 · L/D)
η B = τ B / γ app

03

n = d ln(τ) / d ln(γ app)
F WR = (3n + 1) / (4n) = (3 + 1/n) / 4
γ WR = γ app · F WR
η WR = τ / γ WR

04

IDT [°C]γ app [1/s]η app [Pa·s]L/DΔp [Pa]τ B [Pa]η B [Pa·s]nF WRγ WR [1/s]η WR [Pa·s]

05