Which of the following options has effects on convection heat transfer:
A: The surface condition for heat transfer.
B: Whether chemical reactions occur during the mixed flow of multiple fluids.
C: The type of fluid.
D: Whether the fluid flow is driven by external power.
A: The surface condition for heat transfer.
B: Whether chemical reactions occur during the mixed flow of multiple fluids.
C: The type of fluid.
D: Whether the fluid flow is driven by external power.
举一反三
- When fluid currents are produced by external sources , the solid-to-fluid heat transfer is termed . A: free convection B: natural convection C: forced convection
- The mechanisms by which the heat may flow are three: conduction, convection, and radiation.
- 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.
- 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
- A _______ fluid is a fluid whose stress versus rate of strain curve is linear and passes through the origin. A: Newtonian fluid B: non-Newtonian fluid C: turbulent flow D: laminar flow