Engineering & Materials Science
Hydraulics
100%
Excavators
67%
Energy efficiency
39%
Energy balance
37%
Hydraulic accumulators
28%
Powertrains
20%
Piston displacement
18%
Pistons
18%
Heat losses
17%
Heat exchangers
15%
Electric motors
15%
Heat transfer
14%
Tuning
13%
Fluids
13%
Actuators
13%
Fibers
12%
Energy dissipation
11%
Working fluids
10%
Hydraulic fluids
10%
Control systems
10%
Computer hardware
10%
Gases
10%
Pumps
9%
Diaphragms
9%
Machinery
9%
Damping
9%
Active suspension systems
7%
Hot Temperature
7%
Hardware-in-the-loop simulation
7%
Membranes
7%
Reels
7%
Networks (circuits)
7%
Derivatives
6%
Controllability
6%
Testing
6%
Hysteresis
5%
Ducts
5%
Earth & Environmental Sciences
hydraulics
47%
accumulator
22%
energy recovery
20%
wave energy
20%
energy
13%
pump
11%
loss
9%
fluid
8%
test
6%
gas
6%
control system
6%
Mathematics
Experimental Analysis
25%
Hydraulics
21%
Heat
17%
Gas
16%
Energy Efficiency
15%
Membrane
8%
Energy Storage
7%
Nitrogen
6%
Insulator
6%
Energy
5%
