What is hydrodynamic resistance?
What is hydrodynamic resistance?
Hydrodynamic resistance, the extra resistance induced by a particle as it flows through a microfluidic channel, has been recently proposed as a viable property for particle characterization.
How do you find the vessel hydrodynamic resistance?
the displacement of a vessel is the weight of water it displaces, so its volume immersed X density of water….the total hydrodynamic resistance coefficient (Ch=Rh/Displacement) for bareboat moving near the surface is defined as:
- Rv= Cv . (Re . K/L)
- Rw= Cw. (Fr)
- Ch= Cw. (Fr) + Cv. (Re. K/L)
What does hydrodynamic resistance depends on?
Hydrodynamic resistance is related to the mechanical properties of objects including size and deformability.
How do you calculate fluidic resistance?
How to Calculate Flow Resistance for Liquids
- I = Flow rate.
- H = Differential pressure.
- V = Viscosity correction factor. V factors compensate for the interaction of viscosity and device geometry and are unique to each class of device. See “V” factors graphs for typical Lee orifices. Use 1.0 for water @ 80°F.
What is the hydrodynamic drag force on the structure?
resistance to the motion of a body by the fluid around it or resistance to the motion of a fluid caused by the action of pipe walls, channels, and the like.
How would you explain the execution of the Williamson turn?
To execute a Williamson turn:
- Put the rudder hard over towards the side from which the man went overboard, to reduce the chances of the vessel’s propeller striking the MOB.
- After deviation from the original course by 60 degrees, the rudder is put hard over to the opposite side.
How do you determine ship resistance?
The frictional resistance component is calculated on the basis of Reynolds number and wetted surface area together with a hull roughness allowance. EHP = ACT (VS) ^3, ‘A’ is the Wetted Surface Area.
What is the difference between hydrodynamics and aerodynamics?
Aerodynamics deals with the motion of air. Hydrodynamics deals with the motion of water. They both come under Fluid Dynamics. The difference is that aerodynamics does not care about the gravity effects most of the time but hydrodynamics usually accounts for gravity effects.
What is a Lohm rate?
The Lohm is defined such that 1 Lohm will flow 100 gallons per minute of water with a pressure drop of 25 psi at a temperature of 80°F.