An ideal fluid is usually defined as a fluid in which there is no friction.()
举一反三
- N-S equation cannot be applied to ( ) A: Flow of incompressible viscous fluid B: Unsteady flow of incompressible ideal fluid C: Steady flow of incompressible ideal fluid D: Motion of non-Newtonian fluid
- Hydraulic machinery failures are commonly caused by contamination of the hydraulic fluid and （）. A: fluid friction B: fluid turbulence C: component misalignment D: pressure surge
- The ideal fluid has energy loss.
- From the perspective of the fluid leakoff mechanism of fracturing fluid, which kind of fluid leakoff coefficient mainly controls the effect of fracturing fluid's wall-forming property（ ）。 A: Reservoir fluid compression zone B: Fracturing fluid invasion zone C: Filter cake area D: Wellbore area
- If there is no solid in the fracturing fluid, and fluid viscosit is close to the viscosity of formation fluid, which will dominate the leakoff? A: Wall builiding. B: Fracturing fluid viscosity. C: Compressibility of formation fluids. D: Compressibility of fracturing fluid.