Example:
mNOx = 64.975 g
W = 25.783 kW · hr
eNOx = 64.975/25.783
eNOx = 2.520 g/(kW · hr)
Example:
m = 805.5 g
W = 52.102 kW · hr
eCO = 805.5/52.102
eCO = 2.520 g/(kW · hr)
Where:
Example:
mNMHC
N = 1200
xNMHC1
xNMHC2
nexh1
nexh2
[FLORIN]record = 1 Hz
Using Eq. 1065.650-5,
[DELTA]t = 1/1 = 1 s
mNMHC
mNMHC
Example:
MNOX
N = 9000
x = 85.6 [MICRO]mol/mol = 85.6 · 10-6 mol/mol
ndexh1
ndexh2
[FLORIN]record = 5 Hz
Using Eq. 1065.650-5:
[DELTA]t = 1/5 = 0.2 s
mNOX
nexh9000
mNOX
MPM
ndexh = 57.692 mol/s
[DELTA]t = 1200 s
mPM = 144.0 · 10-6· 57.692 · 1200
mPM = 9.9692 g
Example:
mPMdil = 6.853 g
DR = 6:1
mPM = 6.853 · 6
mPM = 41.118 g
Where:
W = total work from the primary output shaft.
Pi = instantaneous power from the primary output shaft over an interval i.
Example:
N = 9000
[FLORIN]n1 = 1800.2 r/min
[FLORIN]n2 = 1805.8 r/min
T1 = 177.23 N·m
T2 = 175.00 N·m
Crev = 2·[PI] rad/r
Ct1 = 60 s/min
Cp = 1000 (N·m·rad/s)/kW
[FLORIN]record = 5 Hz
Ct2 = 3600 s/hr
P1 = 33.41 kW
P2 = 33.09 kW
Using Eq. 1065.650-5:
[DELTA]t = 1/5 = 0.2 s
W = 16.875 kW·hr
MCO = 28.0101 g/mol
xCO = 12.00 mmol/mol = 0.01200 mol/mol
n = 1.530 mol/s
fn = 3584.5 r/min = 375.37 rad/s
T = 121.50 N · m
m = 28.0101 · 0.01200 · 1.530
m = 0.514 g/s = 1850.4 g/hr
P = 121.5 · 375.37
P = 45607 W
P = 45.607 kW
eCO = 1850.4/45.61
eCO = 40.57 g/(kW · hr)
Where:
N = 3000
[FLORIN]record = 5 Hz
efuel = 285 g/(kW·hr)
wfuel = 0.869 g/g
MC = 12.0107 g/mol
n1 = 3.922 mol/s = 14119.2 mol/hr
xCcombdry1 = 91.634 mmol/mol = 0.091634 mol/mol
xH2Oexh1 = 27.21 mmol/mol = 0.02721 mol/mol
Using Eq. 1065.650-5,
[DELTA]t = 0.2 s
W = 5.09 (kW·hr)
Where:
i = test interval number.
N = number of test intervals.
WF = weighting factor for the test interval as defined in the standard-setting part.
m = mass of emissions over the test interval as determined in paragraph (c) of this section.
W = total work from the engine over the test interval as determined in paragraph (d) of this section.
Example:
N = 2
WF1 = 0.1428
WF2 = 0.8572
m1 = 70.125 g
m2 = 64.975 g
W1 = 25.783 kW·hr
W2 = 25.783 kW·hr
eNOxcomp = 2.548 g/kW·hr
Where:
i = test interval number.
N = number of test intervals.
WF = weighting factor for the test interval as defined in the standard-setting part.
m = mass of emissions over the test interval as determined in paragraph (c) of this section.
W = total work from the engine over the test interval as determined in paragraph (d) of this section.
t = duration of the test interval.
Example:
N = 2
WF1 = 0.85
WF2 = 0.15
m1 = 1.3753 g
m2 = 0.4135 g
t1 = 120 s
t2 = 200 s
W1 = 2.8375 kW · hr
W2 = 0.0 kW · hr
eNOxcomp = 0.5001 g/kW·hr
Where:
i = test interval number.
N = number of test intervals.
WF = weighting factor for the test interval as defined in the standard-setting part.
m = mean steady-state mass rate of emissions over the test interval as determined in paragraph (e) of this section.
p = mean steady-state power over the test interval as described in paragraph (e) of this section.
Example:
N = 2
WF1 = 0.85
WF2 = 0.15
m1 = 2.25842 g/hr
m2 = 0.063443 g/hr
P1 = 4.5383 kW
P2 = 0.0 kW
eNOxcomp = 0.5001 g/kW·hr
40 C.F.R. §1065.650