hydrodynamic resistance

The hydrodynamic resistance force is evaluated following the Stokes' law.

Bilge keels increase hydrodynamic resistance to rolling, making the ship roll less.

During the missile's passage through the water additional motors produce a gaseous wall around the missile, reducing hydrodynamic resistance.

The swimmer should follow the stream, without making any rough movements in order not to "disturb" water and cause unnecessary excessive hydrodynamic resistance.

For large projects with adequate funding, hydrodynamic resistance can be tested experimentally in a hull testing pool or using tools of computational fluid dynamics.

Bilge keels increase the hydrodynamic resistance when a vessel rolls, thus limiting the amount of roll a vessel has to endure.

Stage one, which is called the preparatory stroke, is characterized by the initial bending to a C-shape with small delay caused by hydrodynamic resistance.

Like fins, bilge keels have the disadvantage of increasing the hydrodynamic resistance of the vessel, thus hindering forward motion.

In fish this forward propulsion does not require contraction of the antagonistic muscle, but results from the body stiffness and the hydrodynamic resistance of the tail.

Focusing on the cathode side reveals that the negatively charged particles are affected by the electric field force, which is opposite to the hydrodynamic resistance force.

Those effects influence the electrofiltration of biopolymers, which could be also charged, not only by the hydrodynamic resistance force but also by the electric field force.

By steady state electrophoretic migration of charged colloids the electrophoretic force and the hydrodynamic resistance force are in equilibrium, described by:

The reason for this grouping is that of all the types of hydrodynamic resistance imposed upon a boat hull in motion, only viscous drag can be cleanly isolated, as it scales proportionally to wetted surface area.

When the electrophoretic force F, oppositely directed to flow, overruns the hydrodynamic resistance force F, the charged particles migrate from the filter medium, thus reducing significantly the thickness of the filter cake on the membrane.

Of note are his works in hydrodynamics including theory of ships moving in shallow water (he was the first to explain and calculate the significant increase of hydrodynamic resistance in shallow water) and the theory of solitons.

The 035 Ming had an improved diesel-electric engine, improved hull design with less hydrodynamic resistance, better underwater speed, and a more capable sonar, the H/SQZ-262 built by No. 613 Factory replacing the Type 105 sonar used on Type 033 submarines.