Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 89, Subpt. D, App. A Appendix A to Subpart D of Part 89—Tables

CLD

Chemiluminescent detector.

CO

Carbon monoxide.

CO₂

Carbon dioxide.

HC

Hydrocarbons.

HCLD

Heated chemiluminescent detector.

HFID

Heated flame ionization detector.

GC

Gas chromatograph.

NDIR

Non-dispersive infra-red analyzer.

NIST

National Institute for Standards and Testing.

NO

Nitric Oxide.

NO₂

Nitrogen Dioxide.

NO_X

Oxides of nitrogen.

O₂

Oxygen.

conc

Concentration (ppm by volume)

ppm

f

Engine specific parameter considering atmospheric conditions

F_FCB

Fuel specific factor for the carbon balance calculation

F_FD

Fuel specific factor for exhaust flow calculation on dry basis

F_FH

Fuel specific factor representing the hydrogen to carbon ratio

F_FW

Fuel specific factor for exhaust flow calculation on wet basis

FR

Rate of fuel consumed

g/h

G_AIRW

Intake air mass flow rate on wet basis

kg/h

G_AIRD

Intake air mass flow rate on dry basis

kg/h

G_EXHW

Exhaust gas mass flow rate on wet basis

kg/h

G_Fuel

Fuel mass flow rate

kg/h

H

Absolute humidity (water content related to dry air)

g/kg

i

Subscript denoting an individual mode

K_H

Humidity correction factor

L

Percent torque related to maximum torque for the test mode

%

mass

Pollutant mass flow

g/h

n_d,i

Engine speed (average at the i'th mode during the cycle)

1/min

P_s

Dry atmospheric pressure

kPa

P_d

Test ambient saturation vapor pressure at ambient temperature

kPa

P

Observed brake power output uncorrected

kW

P_AUX

Declared total power absorbed by auxiliaries fitted for the test

kW

P_M

Maximum power measured at the test speed under test conditions

kW

P_i

P_i = P_M,i + P_AUX,i

P_B

Total barometric pressure (average of the pre-test and post-test values)

kPa

P_v

Saturation pressure at dew point temperature

kPa

R_a

Relative humidity of the ambient air

%

S

Dynamometer setting

kW

T

Absolute temperature at air inlet

K

T_be

Air temperature after the charge air cooler (if applicable) (average)

K

T_clout

Coolant temperature outlet (average)

K

T_Dd

Absolute dewpoint temperature

K

T_d,i

Torque (average at the i'th mode during the cycle)

N-m

T_SC

Temperature of the intercooled air

K

T_ref

Reference temperature

K

V_EXHD

Exhaust gas volume flow rate on dry basis

m³/h

V_AIRW

Intake air volume flow rate on wet basis

m³/h

P_B

Total barometric pressure

kPa

V_EXHW

Exhaust gas volume flow rate on wet basis

m³/h

WF

Weighing factor

WF_E

Effective weighing factor

1

Engine speed

± 2%

30 days.

2

Torque

Larger of ± 2% of point or ± 1% of engine maximum

30 days.

3

Fuel consumption (raw measurement)

± 2% of engine maximum

30 days.

4

Air consumption (raw measurement)

± 2% of engine maximum

As required.

5

Coolant temperature

±2°K

As required.

6

Lubricant temperature

±2°K

As required.

7

Exhaust backpressure

± 1.0% of engine maximum

As required.

8

Inlet depression

1.0% of engine maximum

As required.

9

Exhaust gas temperature

±15°K

As required.

10

Air inlet temperature (combustion air)

±2°K

As required.

11

Atmospheric pressure

± 0.5%

As required.

12

Humidity (combustion air) (g of H₂O/Kg of dry air)

± 0.5

As required.

13

Fuel temperature

±2°K

As required.

14

Temperature with regard to dilution tunnel

±2°K

As required.

15

Dilution air humidity (g of H₂O/Kg of dry air)

± 0.5

As required.

16

HC analyzer

± 2%

Monthly or as required.

17

CO analyzer

± 2%

Once per 60 days or as required.

18

NO_X analyzer

± 2%

Monthly or as required.

19

Methane analyzer

± 2%

Monthly or as required.

20

NO_X converter efficiency check

90%

Monthly.

21

CO₂ analyzer

± 2%

Once per 60 days or as required.

Cetane

D613-95

40-48

Distillation Range:

IBP, °C

D86-97

171-204

10% point, °C

86-97

204-238

50% point, °C

86-97

243-282

90% point, °C

86-97

293-332

EP, °C

86-97

321-366

Gravity, API

D287-92

32-37

Total Sulfur, % mass

D129-95 or D2622-98

0.03—0.40

Hydrocarbon composition:

Aromatics, ol

D1319-98 or D5186-96

² 10

Paraffins, Naphthenes, Olefins

D1319-98

(³)

Flash Point, °C (minimum)

D93-09

54

Viscosity @ 38 °C, centistokes

D445-09

2.0-3.2