Engineering & Materials Science
Pipe
100%
Liquids
95%
Viscosity
83%
Two phase flow
82%
Viscosity of liquids
60%
Pressure gradient
59%
Flow of gases
58%
Oils
54%
Gases
46%
Multiphase flow
41%
Pipelines
38%
Flow patterns
34%
Sand
31%
Gas oils
29%
Densitometers
23%
Pipe flow
22%
Gamma rays
22%
Capacitance
20%
Experiments
19%
Tomography
19%
Fluids
17%
Water
17%
Air
16%
Mineral oils
14%
Void fraction
14%
Petroleum industry
13%
Flow measurement
12%
Crude oil
12%
Flowlines
11%
Phase measurement
11%
Pressure transducers
8%
Gas industry
8%
Film thickness
8%
Mass transfer
7%
Sustainable development
7%
Nozzles
7%
Flow visualization
6%
Simulators
6%
Decomposition
6%
Friction
6%
Heat transfer
5%
Video recording
5%
Oil sands
5%
Economics
5%
Sampling
5%
Sensors
5%
Statistical methods
5%
Earth & Environmental Sciences
liquid
40%
slug
33%
viscosity
30%
two phase flow
28%
gas flow
28%
pressure gradient
25%
multiphase flow
21%
gas
17%
sand
16%
multiphase pipeline
15%
oil
14%
horizontal pipe
13%
pipe
12%
three phase flow
12%
stratified flow
11%
riser
10%
gamma radiation
8%
prediction
8%
experimental study
8%
simulator
8%
effect
8%
experiment
8%
particle
6%
Physics & Astronomy
oils
45%
viscosity
26%
two phase flow
21%
gas flow
17%
densitometers
16%
multiphase flow
13%
liquids
12%
mineral oils
10%
gases
10%
capacitance
9%
tomography
9%
pressure gradients
8%
mass transfer
8%
estimating
7%
flow distribution
7%
heat transfer
6%
predictions
5%
water
5%
