P Altitude (m) Psea level P. sea level O (sea level) 1000 3000 5000 8000 10,000 12,000 14,000 15,000 Variation of Standard Atmosphere with Altitude TABLE 10.4 Altitude (m) Atmospheric Pressure (kPa) Air Density (kg/m³) O (sea level) 101.325 1.225 500 95.46 1.167 1000 89.87 1.112 1500 84.55 1.058 2000 79.50 1.006 2500 74.70 0.957 3000 70.11 0.909 3500 65.87 0.863 4000 61.66 0.819 4500 57.75 0.777 5000 54.05 0.736 6000 47.22 0.660 7000 41.11 0.590 8000 35.66 0.526 9000 30.80 0.467 10,000 26.50 0.413 11,000 22.70 0.365 12,000 19.40 0.312 13,000 16.58 0.266 14,000 14.17 0.228 15,000 12.11 0.195 Data from U.S. Standard Atmosphere (1962)

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Using the information given in Table 10.4 , determine the ratio of local pressure and density to sea-level values. Estimate the value of air density at the cruising altitude of most commercial airliners.

P
Altitude (m)
Psea level
P.
sea level
O (sea level)
1000
3000
5000
8000
10,000
12,000
14,000
15,000
Transcribed Image Text:P Altitude (m) Psea level P. sea level O (sea level) 1000 3000 5000 8000 10,000 12,000 14,000 15,000
Variation of Standard Atmosphere
with Altitude
TABLE 10.4
Altitude (m)
Atmospheric Pressure (kPa)
Air Density (kg/m³)
O (sea level)
101.325
1.225
500
95.46
1.167
1000
89.87
1.112
1500
84.55
1.058
2000
79.50
1.006
2500
74.70
0.957
3000
70.11
0.909
3500
65.87
0.863
4000
61.66
0.819
4500
57.75
0.777
5000
54.05
0.736
6000
47.22
0.660
7000
41.11
0.590
8000
35.66
0.526
9000
30.80
0.467
10,000
26.50
0.413
11,000
22.70
0.365
12,000
19.40
0.312
13,000
16.58
0.266
14,000
14.17
0.228
15,000
12.11
0.195
Data from U.S. Standard Atmosphere (1962)
Transcribed Image Text:Variation of Standard Atmosphere with Altitude TABLE 10.4 Altitude (m) Atmospheric Pressure (kPa) Air Density (kg/m³) O (sea level) 101.325 1.225 500 95.46 1.167 1000 89.87 1.112 1500 84.55 1.058 2000 79.50 1.006 2500 74.70 0.957 3000 70.11 0.909 3500 65.87 0.863 4000 61.66 0.819 4500 57.75 0.777 5000 54.05 0.736 6000 47.22 0.660 7000 41.11 0.590 8000 35.66 0.526 9000 30.80 0.467 10,000 26.50 0.413 11,000 22.70 0.365 12,000 19.40 0.312 13,000 16.58 0.266 14,000 14.17 0.228 15,000 12.11 0.195 Data from U.S. Standard Atmosphere (1962)
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