Which of the following equations is used to calculate dynamic viscosity?
Practice Questions
1 question
Q1
Which of the following equations is used to calculate dynamic viscosity?
Bernoulli's equation
Navier-Stokes equation
Poiseuille's law
Archimedes' principle
Dynamic viscosity can be calculated using Poiseuille's law.
Questions & Step-by-step Solutions
1 item
Q
Q: Which of the following equations is used to calculate dynamic viscosity?
Solution: Dynamic viscosity can be calculated using Poiseuille's law.
Steps: 4
Step 1: Understand what dynamic viscosity is. It is a measure of a fluid's resistance to flow.
Step 2: Learn about Poiseuille's law, which describes how fluids flow through a pipe.
Step 3: Identify the formula from Poiseuille's law that relates to dynamic viscosity. The formula is: η = (π * r^4 * ΔP) / (8 * L * Q), where η is dynamic viscosity, r is the radius of the pipe, ΔP is the pressure difference, L is the length of the pipe, and Q is the volumetric flow rate.
Step 4: Use this formula to calculate dynamic viscosity by plugging in the values for radius, pressure difference, length, and flow rate.
