Figure 1.84 shows an air spring. This type of spring is generally used for obtaining very low natural frequencies while maintaining zero deflection under static loads. Find the spring con- stant of this air spring by assuming that the pressure p and volume v change adiabatically when the mass m moves.

Figure 1.84 shows an air spring. This type of spring is generally used for obtaining very low natural frequencies while maintaining zero deflection under static loads. Find the spring con- stant of this air spring by assuming that the pressure p and volume v change adiabatically when the mass m moves.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

1.29 Figure 1.84 shows an air spring. This type of spring is generally used for obtaining very low
natural frequencies while maintaining zero deflection under static loads. Find the spring con-
stant of this air spring by assuming that the pressure pand volume v change adiabatically
when the mass m moves.
Air
Pressure = p
Volume = v
x(1)
Cross-sectional area = A'
FIGURE 1.84
Hint: pv = constant for an adiabatic process, where y is the ratio of specific heats. For air,
y = 1.4.

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