pressure gradient is
The pressure difference between the two ends of a blood vessel is the driving force behind blood flow.
Shear force is necessary for fluid flow because it creates a differential in velocity within the fluid, allowing it to move from one point to another. This shear force helps overcome the internal friction in the fluid and facilitates the movement of fluid particles along a surface or past each other. In essence, shear force is responsible for driving the flow of fluids.
Increasing the driving pressure in a system, such as in a fluid flow system, will result in an increase in the flow rate of the fluid. This is because a higher driving pressure provides more force to push the fluid through the system. However, it is important to ensure that the system can handle the increased pressure to prevent any damage or failures.
Hydraulic force.
viscosity is the property of a fluid that resists the force tending to cause the fluid to flow.
Hydraulic force.
Money
A measure of the resistance to flow of a fluid under an applied force.
Viscosity is the property of a fluid that represents its resistance to flow. It determines how easily a fluid can deform or flow under an applied force. High viscosity fluids flow more slowly than low viscosity fluids.
Shear flow is the flow induced by a force gradient (for a fluid). For solids, it is the gradient of shear stress forces throughout the body.
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potential difference between electrodes