Download - FS Thrust vs Altitude Calculations
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1503 IAP M CN2.
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I , I CN2= 112.2% 1503 IAP
30K. I CN1 = CN2 1502. A CN1 1506
1507 =N1/() ( ) .
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*(1+.2(M)2). A M, M=0 2=. A M 1,
2 1.2 . (1.2)=1.095445 1/1.095445 =0. 9129.
(N1=100) CN2 = 91.29% M 1 . A 30000,
M 1 (N1=100) CN2 102.45 112.2 *0.9129.
F CN2 1503 1504 M,
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CN1 C
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1502, 1503 1504 I . I
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1503 1504. 1502
CN1 = CN2. H
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IAP=1 CN2 =
CN1=N1 100% 31.25. I 50%, 0.5 75% 2
.
I 1503, IAP 1.0
100/() IAP. I IAP :
A L 10,000 20,000 30,000 36,089 50,000
IAP 1.0 1.4538 2.1743 3.3608 4.4593 8.6869
1/() 1.0 1.0362 1.0767 1.1222 1.1533 1.1533F CN2 100.00 103.62 107.67 112.22 115.33 115.33
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I 1503 IAP=1
1/() . N
36089 .
I 1504 IAP 1503
1/ (1+.2*(M)2). I H 0.9 0.8606. M
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IAP CN1 .
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1506 CN1 M
CN1 . CN1
CN2 1503. I 116% CN1
.
I M 0.0 1.0 E M
CN1.
M I
M N1,
70%
70% 100% 85%.
M M I 1.0 100% CN1.
M M
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1503, 1504 .
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:
A L 10,000 20,000 30,000 36100 40,000 45,000 50,000
M 0.943 0.949 0.947 0.946 0.944 0.939 0.916 0.900
CN1 91.82 95.06 98.80 102.95 105.84 105.91 106.14 106.30
A , N1 99.9 100.1
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F. I , N1 .
I , I A (
1507) E .
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I I 1506
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A E
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I 1.0 , E,
A , 36100 ( I 36089 ),
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36100 . ,
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10 E . M M 1
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90% CN1 110% CN1,
90 110.
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100 F .
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1506 E
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: 1506 CN1 M N.: 3 : 19
0 0 1
0 0 0
30 0.1000 0.1075
40 0.1000 0.1075
45 0.1200 0.1290
50 0.1500 0.1613
64 0.2000 0.2150
80 0.4000 0.7311
90 0.5600 1.0733
92 0.6300 1.0974
94 0.7000 1.1215
96 0.8000 1.1456
98 0.9300 1.1698
100 1.000 1.1939
102 1.071 1.2180
104 1.1335 1.2421106 1.2012 1.2662
110 1.2450 1.3145
116 1.2540 1.3500
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CN1 90% I
90% M,
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. 80% PM
31.25% 1503. I M 0 1.0. F
I
M .
P 4. H 1507.
H ( 1507 )
1507 . A
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A I E 0.03%
36100 . I 1507 I
.
1507 I .
: 1507 D F CN1 M N.
: 3 : 90 0 1
0 0 0
90 36.3900 36.39
100 36.395 36.395
102 36.396 36.396
104 36.397 36.397
106 36.398 36.398
116 36.4 36.4
. 1507
M CN1. G M CN1
.
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F D P
A M CN1 N1
100 0.9433 91.7 99.6
10000 0.9468 96.0 99.7
20000 0.9506 98.7 99.830000 0.9533 102.8 99.8
36100 0.9544 105.6 99.9
40000 0.9519 105.7 99.7
N N1 100 ,
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A A. , E
.
EP/P3D I
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1502 AIR_70_N2_TO_N1_TABLE M CN2 CN1
1503 AIR_70_MACH_0_CORRECTED_COMMANDED_NE IAP CN2
1504 AIR_70_MACH_HI_CORRECTED_COMMANDED_NE IAP CN2
1506 AIR_70_N1_AND_MACH_ON_THRUST M CN1 C
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1507 AIR_70_CORRECTED_AIRFLOW M CN1 C
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F
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M (M) . I'
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= (/)* I A * BL 1507 * 2/(2)
M / 32.174 //.
= G D
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C
= N1/(2) G CN1
F
= N2/(2)
= G /2
=/* *(2)/2 M
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C
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I 2.975 . A
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