Engineering & Materials Science
Engines
100%
Dual fuel engines
75%
Diesel engines
74%
Hydrogen
61%
Exhaust gas recirculation
56%
Engine cylinders
51%
Ignition
41%
Biodiesel
27%
Hydrogen engines
22%
Turbines
19%
Air
19%
Gasoline
18%
Compressors
18%
Soot
17%
Hot Temperature
17%
Carbon
16%
Compaction
15%
Natural gas
14%
Gas engines
13%
Internal combustion engines
12%
Spray nozzles
12%
Functional analysis
11%
Geometry
10%
Brakes
9%
Hydrides
9%
Ammonia
9%
Computational fluid dynamics
9%
Waste heat utilization
9%
Analysis of variance (ANOVA)
8%
Ethanol
8%
Hydrogen fuels
8%
Pistons
8%
Statistical methods
8%
Trucks
8%
Fuzzy logic
7%
Education
7%
Organic chemicals
7%
Unsteady flow
7%
Decarbonization
7%
Temperature
6%
Compressed natural gas
5%
Combustion chambers
5%
Nitrogen oxides
5%
Fast Fourier transforms
5%
Hydrocarbons
5%
Physics & Astronomy
engines
45%
hydrogen
21%
diesel engines
20%
ignition
19%
combustion efficiency
14%
spray nozzles
14%
exhaust gases
10%
regeneration
9%
injection
9%
pistons
9%
thermodynamic efficiency
8%
ammonia
8%
air
6%
energy
6%
carbon
5%
hydrogen fuels
5%
Earth & Environmental Sciences
engine
35%
diesel
16%
combustion
14%
exhaust gas
14%
hydrogen
13%
combined heat and power
12%
diesel engine
11%
gas supply
10%
compression
8%
variance analysis
8%
natural gas
7%