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European Transport Research Review

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Table 4 Yearly distributions of research articles, fuel prices, and evolution of fuel efficiency trends [298]

From: Fuel consumption optimization in air transport: a review, classification, critique, simple meta-analysis, and future research implications

Year

No. of Articles

Evolution of fuel efficiency trends research trends

References

Jet fuel prices (dollar/million BTU)

1973

3

Turbojet revolution, fuel burning rate study

[102, 103, 281]

0.89

1974

5

Operational efficiency, socioeconomic and political measures, aircraft size

[174, 175, 183, 222, 223]

1.54

1975

1

Hydrogen fuel

[280]

2.01

1976

7

Turbofan 1st generation, policy measures, Hydrogen fuel, operational efficiency

[101, 171–173, 220, 221, 279]

2.18

1977

7

Aircraft size, turboprop potential, fuel management model

[96–100, 170, 278]

2.51

1978

9

Fuel combustion requirement, future turbofan, hydrogen fuel, airport and terminal design,

[92–95, 168, 169, 275–277];

2.86

1979

2

Engine efficiency, airport capacity

[91, 167]

3.85

1980

4

Turbofan 2nd generation, and 3rd generation aircraft design, hydrogen fuel

[88–90, 274]

6.27

1981

1

Fuel allocation model

[166]

7.49

1982

3

Fuel burn estimation

[85–87]

7.02

1983

1

Hydrogen fuel

[182]

6.94

1984

2

Aircraft design, fuel consumption estimation

[106, 165]

6.87

1985

1

Turbofan performance estimation

[84]

6.51

1986

2

Advance turboprop, Aircraft material potential

[82, 83]

4.42

1987

8

Alternative fuels, hydrogen fuel, fuel prices, modern turboprop, optimal cyclic cruise

[79–81, 107, 219, 270–272]

4.55

1988

1

Variable wing camber

[78]

4.15

1989

3

Aerodynamic efficiency, fuel properties

[77, 268, 269]

4.70

1990

1

Ground efficiency

[164]

6.03

1991

2

Hydrogen fuel, terminal area traffic management

[163, 267]

5.18

1992

5

Hydrogen fuel, endurance performance optimization, fuel management model, optimum cruise lift

[1, 75, 76, 162, 266]

4.84

1993

1

Thermal stability of jet fuel

[282]

4.47

1994

5

Fuel properties, taxation policy, fuel consumption modeling

[161, 218, 263–265]

4.14

1995

2

Policy measures

[73, 74]

4.04

1996

5

Wave rotor optimization, hydrogen fuel & fuel properties, engine design

[71, 72, 105, 261, 262]

4.88

1997

5

Alternatives fuels & fuel properties, cruise range performance and prediction

[70, 257–260]

4.53

1998

2

Terminal airdrome, policy measures

[69, 160]

3.40

1999

5

Turbofan engine design and flight profile optimization,

incentive based regulations

[65–68, 217]

4.23

2000

2

Aircraft turnaround efficiency, chemical kinetic model

[159, 256]

6.90

2001

5

Technological and operational efficiency, policy options, turbofan and turbojet engine

[20, 63, 158, 216, 255]

5.79

2002

5

Airport infrastructure, technological and operational efficiency, socioeconomic and policy options

[7, 19, 157, 214, 215]

5.54

2003

9

Biodiesel and fuel properties, aircraft size, socioeconomic and policy options, engine performance optimization

[61, 62, 154–156, 213, 252–254]

6.76

2004

5

Blended wing body, technological measures, alternative fuels, infrastructure, socioeconomic & policy options

[59, 60, 152, 153, 212]

9.06

2005

6

Aircraft design optimization, fuel management model, alternative fuels, operational and socioeconomic & policy measures

[57, 58, 150, 151, 211, 251]

13.10

2006

8

Technological and operational efficiency, fuel properties optimization, turbofan engine optimization

[55, 56, 113, 114, 148, 149, 249, 250]

14.89

2007

13

Airport infrastructure, alternative fuels & fuel properties, SAGE model, operational efficiency, aircraft size

[52–54, 143–147, 209, 210, 246–248]

16.46

2008

12

Hydrogen fuel and fuel properties, operational and technological efficiency, aircraft landing scheduling

[48–51, 142, 178–181, 224, 244, 245]

23.13

2009

13

Socioeconomic & policy measure, alternative fuels & fuel properties, technological and operational efficiency

[11, 42–47, 137–140, 208, 243]

12.64

2010

21

Technological & operational efficiency, Socioeconomic & policy measure, alternative fuels & fuel properties

[2, 3, 37–41, 104, 134–136, 202–207, 240–242]

16.43

2011

18

Technological & operational efficiency, Socioeconomic & policy measure, alternative fuels & fuel properties

[15, 16, 34–36, 129–133, 199–201, 236–239]

22.77

2012

16

Technological & operational efficiency, Socioeconomic & policy measure, alternative fuels & fuel properties

[10, 32, 33, 123–128, 196–198, 229, 233–235]

24.44

2013

22

Geared turbofan, Technological & operational efficiency, Socioeconomic & policy measure, alternative fuels & fuel properties

[13, 29–31, 118–122, 177, 187–195, 228, 231, 232]

23.30

2014

28

Technological & operational efficiency, Socioeconomic & policy measure, alternative fuels & fuel properties

[12, 14, 17, 18, 21–28, 108–112, 115–117, 176, 184–186, 225–227, 230]

22.58

Total

277

   
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