Principles of Flow Flashcards
A measurement that represents the actual amount of material moving past a point per unit time, regardless of changes in density, is called ___.
Mass flow rate
The Coriolis meter is a type of ___ flow meter that measures the inertia of the fluid passing through it.
Mass
The rotameter is a type of ____flow meter with a tapered fluid channel that allows the flow diameter to change in proportion to flow rate.
Variable area
Smooth, orderly flow with all the fluid traveling in the same direction is known as ___ flow.
Laminar
A flattened flow profile, with a small difference between velocity in the center and velocity near the pipe walls indicate ___ flow.
Turbulent
Laminar flow is indicated by a ___ Reynolds number, while turbulent flow is indicated by a ___ Reynolds number.
Low, high
Laminar flow - Reynolds # <2000
Turbulent flow - Reynolds # >4000
Between 2000 to 4000 are difficult to predict and may exhibit properties of laminar or turbulent flow.
Velocity based detectors should tread flow at the ____ of the pipe, where velocity is ___.
Center, greatest
____ are the most common sources of flow disturbances in industrial systems.
Piping bends
The ____ creates a temporary pressure drop that has minimal effect on overall system pressure.
Venturi
The measurement flow rate through a pipe is affected by ___, ____, and ____.
Detector position, viscosity and fluid density.
Not humidity
The rotameter is a type of ___ flow meter with a tapered fluid channel that allows the flow diameter to change in proportion to flow rate.
Variable area
A measurement of that represents the actual amount of material moving past the point per unit time, regardless of changes in density, is called ___.
Mass flow rate
The Coriolis Meter is a type of___flow meter that measures
Mass
Which of the following Reynolds numbers indicates turbulent flow?
- 1100
- 11
- 11,000
- 110
11,000
Velocity based detectors should read flow at the ___ of the pipe, where velocity is ___.
Center, greatest
