| Front page | | Contents | | Previous | | Next |

1998 Fuel Use and Emissions for Danish IFR Flights

Appendix 4

ICAO fuel flows and emission indices for selected engines

Motor id:

JT8D-217C

Power setting

Time

Fuel flow

Emission indices [g/kg]

Mode

 

[% Foo]

[mins]

[kg/s]

HC

CO

NOx

 

 

 

 

 

 

 

 

Take off

 

100

0.7

1.32

0.28

0.80

25.70

Climb out

 

85

2.2

1.078

0.43

1.23

20.60

Approach

 

30

4

0.3833

1.60

4.17

9.10

Idle

 

7

26

0.1372

3.33

12.27

3.70

 

 

 

 

 

Total emissions [kg]

 

 

 

 

Fuel

HC

CO

NOx

Take off

 

 

 

55.44

0.02

0.04

1.42

Climb out

 

 

 

142.296

0.06

0.18

2.93

Approach

 

 

 

91.992

0.15

0.38

0.84

Idle

 

 

 

214.032

0.71

2.63

0.79

LTO total

 

 

 

503.76

0.94

3.23

5.99

 

 

 

 

 

 

 

 

Motor id:

JT8D-219

Power setting

Time

Fuel flow

Emission indices [g/kg]

Mode

 

[% Foo]

[mins]

[kg/s]

HC

CO

NOx

 

 

 

 

 

 

 

 

Take off

 

100

0.7

1.354

0.27

0.73

27.00

Climb out

 

85

2.2

1.085

0.42

1.20

20.80

Approach

 

30

4

0.3817

1.59

4.07

9.13

Idle

 

7

26

0.1344

3.48

12.63

3.60

 

 

 

 

 

Total emissions [kg]

 

 

 

 

Fuel

HC

CO

NOx

Take off

 

 

 

56.868

0.02

0.04

1.54

Climb out

 

 

 

143.22

0.06

0.17

2.98

Approach

 

 

 

91.608

0.15

0.37

0.84

Idle

 

 

 

209.664

0.73

2.65

0.75

LTO total

 

 

 

501.36

0.95

3.23

6.11

 

 

 

 

 

 

 

 

Motor id:

JT8D-209

Power setting

Time

Fuel flow

Emission indices [g/kg]

Mode

 

[% Foo]

[mins]

[kg/s]

HC

CO

NOx

 

 

 

 

 

 

 

 

Take off

 

100

0.7

1.354

0.35

1.03

22.80

Climb out

 

85

2.2

1.085

0.50

1.40

19.00

Approach

 

30

4

0.3817

1.69

4.37

8.80

Idle

 

7

26

0.1344

4.03

14.10

3.50

 

 

 

 

 

Total emissions [kg]

 

 

 

 

Fuel

HC

CO

NOx

Take off

 

 

 

56.868

0.02

0.06

1.30

Climb out

 

 

 

143.22

0.07

0.20

2.72

Approach

 

 

 

91.608

0.15

0.40

0.81

Idle

 

 

 

209.664

0.84

2.96

0.73

LTO total

 

 

 

501.36

1.09

3.62

5.56

 

Motor id:

CFM56-7B20/2

Power setting

Time

Fuel flow

Emission indices [g/kg]

Mode

 

[% Foo]

[mins]

[kg/s]

HC

CO

NOx

 

 

 

 

 

 

 

 

Take off

 

100

0.7

0.903

0.07

4.26

13.25

Climb out

 

85

2.2

0.754

0.23

11.38

10.81

Approach

 

30

4

0.278

0.36

11.37

9.39

Idle

 

7

26

0.102

8.11

49.71

3.75

 

 

 

 

 

Total emissions [kg]

 

 

 

 

Fuel

HC

CO

NOx

Take off

 

 

 

37.926

0.00

0.16

0.50

Climb out

 

 

 

99.528

0.02

1.13

1.08

Approach

 

 

 

66.72

0.02

0.76

0.63

Idle

 

 

 

159.12

1.29

7.91

0.60

LTO total

 

 

 

363.294

1.34

9.96

2.80

 

 

 

 

 

 

 

 

Motor id:

CFM56-7B26/2

Power setting

Time

Fuel flow

Emission indices [g/kg]

Mode

 

[% Foo]

[mins]

[kg/s]

HC

CO

NOx

 

 

 

 

 

 

 

 

Take off

 

100

0.7

1.203

0.03

0.77

19.20

Climb out

 

85

2.2

0.989

0.06

2.51

14.77

Approach

 

30

4

0.334

4.73

26.07

7.26

Idle

 

7

26

0.113

5.88

39.93

4.27

 

 

 

 

 

Total emissions [kg]

 

 

 

 

Fuel

HC

CO

NOx

Take off

 

 

 

50.526

0.00

0.04

0.97

Climb out

 

 

 

130.548

0.01

0.33

1.93

Approach

 

 

 

80.16

0.38

2.09

0.58

Idle

 

 

 

176.28

1.04

7.04

0.75

LTO total

 

 

 

437.514

1.43

9.50

4.23

 

| Front page | | Contents | | Previous | | Next | | Top |