The average atmosphere pressure on earth is approximated as a function of attitude by the relation P atm = 101.325 (1 – 0 02256 z ) 5.256 , where P atm is the atmosphere pressure in kPa and z is the altitude in km with z = 0 at sea level. Determine the approximate atmosphere pressures at Atlanta ( z = 306 m), Denver ( z = 1610 m), Mexico City ( z = 2309 m), and the top of Mount Everest ( z = 8848 m).
The average atmosphere pressure on earth is approximated as a function of attitude by the relation P atm = 101.325 (1 – 0 02256 z ) 5.256 , where P atm is the atmosphere pressure in kPa and z is the altitude in km with z = 0 at sea level. Determine the approximate atmosphere pressures at Atlanta ( z = 306 m), Denver ( z = 1610 m), Mexico City ( z = 2309 m), and the top of Mount Everest ( z = 8848 m).
The average atmosphere pressure on earth is approximated as a function of attitude by the relation Patm= 101.325 (1 – 0 02256z)5.256, where Patm is the atmosphere pressure in kPa and z is the altitude in km with z = 0 at sea level. Determine the approximate atmosphere pressures at Atlanta (z = 306 m), Denver (z = 1610 m), Mexico City (z = 2309 m), and the top of Mount Everest (z = 8848 m).
The single degree of freedom (SDOF) system that you studied under free vibration in Assignment #3 - Laboratory Component has been subjected to a strong ground motion. The acceleration at the base (excitation) and the acceleration at the roof (response) of the SDOF system was recorded with sampling rate 50 Hz (50 samples per second, or dt= 0.02 seconds). The file ElCentro.txt includes the two columns of acceleration data. The first column lists the acceleration at the base of the SDOF system. The second column lists the acceleration at the roof of the SDOF system. (a) Plot the time histories of the recorded accelerations at the base and at the roof of the SDOF system. (b) Compute the acceleration, velocity and displacement time histories of the roof of the SDOF system subjected to the recorded base acceleration using the Central Difference method. Plot the accel- eration, velocity and displacement time histories. Plot the restoring force, the damping force, and the inertia force time…
The single degree of freedom (SDOF) system that you studied under free vibration in Assignment #3 - Laboratory Component has been subjected to a strong ground motion. The acceleration at the base (excitation) and the acceleration at the roof (response) of the SDOF system was recorded with sampling rate 50 Hz (50 samples per second, or dt= 0.02 seconds). The file ElCentro.txt includes the two columns of acceleration data. The first column lists the acceleration at the base of the SDOF system. The second column lists the acceleration at the roof of the SDOF system. (a) Plot the time histories of the recorded accelerations at the base and at the roof of the SDOF system. (b) Compute the acceleration, velocity and displacement time histories of the roof of the SDOF system subjected to the recorded base acceleration using the Central Difference method. Plot the accel- eration, velocity and displacement time histories. Plot the restoring force, the damping force, and the inertia force time…
A tensile specimen made of hot-rolled AISI 1020 steel is loaded to point corresponding to a strain of 43%.
60
Su = 66 ksi
Stress σ (ksi)
40 B
20
0
0
0
T
H
Sy = 39 ksi
Se = 36 ksi
Hot-rolled 1020 steel
F
10 20 30 40
50 60 70 80 90 100 110 120 130 140 150 160
Strain € (%)
T
1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6
Area ratio R
0.1
0.2
0.3
0.4
0.5
Area reduction A,
What value of strain is applicable to this location?
0.6
Chapter 1 Solutions
Thermodynamics: An Engineering Approach ( 9th International Edition ) ISBN:9781260092684
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