Inviscid flow Inviscid flow Inviscid flow is the flow of an inviscid fluid, in which the viscosity of the fluid is equal to zero. Though there are limited examples of inviscid fluids, known as superfluids, inviscid flow has many applications in fluid dynamics. The Reynolds number of inviscid flow approaches infinity as the viscosity approaches zero. When viscous forces are neglected, such as the case of inviscid flow, the Navier-Stokes equation can be simplified to a form known as the Euler equation. This simplified equation is applicable to inviscid flow as well as flow with low viscosity and a Reynolds number much
Resistance to interrogation Resistance to interrogation Resistance to interrogation, RTI or R2I is a type of military training to British and other NATO soldiers to prepare them, after capture by the enemy, to resist interrogation techniques such as humiliation and torture. The trainees undergo practices such as hooding, sleep deprivation, time disorientation, prolonged nakedness, sexual humiliation and deprivation of warmth, water and food. Many of these techniques are against international law if used in interrogations. In such interrogation sessions, the subjects must maintain dead silence regardless of the practice being inflicted on them. Only three pieces of information can be ever surrendered: name,