Example:
N = 3
y1
y2
= y3 = 11.09
y = 11.20
Example:
N = 3
y1
y2
= y3 = 11.09
y = 11.20
Ay = 0.6619
Example:
N = 3
y1
y2
= y3 = 11.09
= 11.21
Example:
yref
N = 3
y1
y2
y3
accuracy = 2.8
Example:
yref
Y = 1123.8
Aref = 9.399
Ay = 10.583
Nref
N = 7
t = 16.63
Aref = 9.399
Ay = 10.583
= 11
N = 7
v = 11.76
Example 1:
[EPSILON] = -0.12580
N = 16
A[EPSILON] = 0.04837
t = 10.403
v = N-1
Example 2:
N = 16
v = 16-1
v = 15
Table 1 of § 1065.602 -Critical t Values Versus Number of Degrees of Freedom, va
v | Confidence | |
90% | 95% | |
1 | 6.314 | 12.706 |
2 | 2.920 | 4.303 |
3 | 2.353 | 3.182 |
4 | 2.132 | 2.776 |
5 | 2.015 | 2.571 |
6 | 1.943 | 2.447 |
7 | 1.895 | 2.365 |
8 | 1.860 | 2.306 |
9 | 1.833 | 2.262 |
10 | 1.812 | 2.228 |
11 | 1.796 | 2.201 |
12 | 1.782 | 2.179 |
13 | 1.771 | 2.160 |
14 | 1.761 | 2.145 |
15 | 1.753 | 2.131 |
16 | 1.746 | 2.120 |
18 | 1.734 | 2.101 |
20 | 1.725 | 2.086 |
22 | 1.717 | 2.074 |
24 | 1.711 | 2.064 |
26 | 1.706 | 2.056 |
28 | 1.701 | 2.048 |
30 | 1.697 | 2.042 |
35 | 1.690 | 2.030 |
40 | 1.684 | 2.021 |
50 | 1.676 | 2.009 |
70 | 1.667 | 1.994 |
100 | 1.660 | 1.984 |
1000+ | 1.645 | 1.960 |
a Use linear interpolation to establish values not shown here.
Example:
F = 1.268
Example:
N = 6000
= 2045.8
y = 1050.1
yref1
yref
= 1.0110
Example:
N = 6000
= 2045.8
= 2045.0
= 1.0110
Example:
y = 1050.1
a1y
yref
a0y
a0y
Example:
N = 6000
y1
a0y
a1y
yref1
= 5.348
Example:
N = 6000
= 2045.8
a1y
yref1
= 5.347
Example:
N = 6000
= 2045.8
a0y
a1y
= 2045.0
y = 1480.5
Pfrict. Use this information along with the engine displacement volume, Vdisp, an approximate volumetric efficiency, ·V, and the number of engine strokes per power stroke (two-stroke or four-stroke), Nstroke, to estimate the maximum raw exhaust molar flow rate, nexhmax.
Example:
= 2.5 g/(kW·hr)
Wref
MNOX
[DELTA]tdutycycle = 20 min = 1200 s
Pref
Pfrict
pmax
pmax
Vdisp
fnmax
Nstroke
·V = 0.9
R = 8.314472 J/(mol·K)
Tmax
Example:
eNMHC
Wref
MNMHC
ndexh
[DELTA]tdutycycle = 30 min = 1800 s
= 53.8 [MICRO]mol/mol
Eq. 1065.602-18
Where:
i = an indexing variable that represents the rank of the data point whose value is used to determine the median.
N = the number of data points in the set.
Example:
N = 4
= 41.515
y2
y3
= 41.902
i = 2
i = 2
Example:
Eq. 1065.602-19
Eq. 1065.602-20
Where:
i = an indexing variable that represents the rank of the data point whose value is the median.
N = the number of data points in the set.
Example:
N = 3
= 41.515
y2
= 41.780
y3
= 41.861
40 C.F.R. §1065.602