Between a solid mass of 10 kg and floor, two slab of isolator, natural rubber and felt are kept in series as shown in Figure Q1(b). The natural rubber slab has a stiffness of 3000 N/m and an equivalent viscous damping coefficient of 110 Ns/m. The felt slab has a stiffness of 12,200 N/m and an equivalent viscous damping coefficient of 170 Ns/m. (i) Sketch the single degree of freedom spring-mass-damper system
Between a solid mass of 10 kg and floor, two slab of isolator, natural rubber and felt are kept in series as shown in Figure Q1(b). The natural rubber slab has a stiffness of 3000 N/m and an equivalent viscous damping coefficient of 110 Ns/m. The felt slab has a stiffness of 12,200 N/m and an equivalent viscous damping coefficient of 170 Ns/m. (i) Sketch the single degree of freedom spring-mass-damper system
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter24: Expansion Devices
Section: Chapter Questions
Problem 9RQ: The three factors that determine the capacity of a T XV are ______, ______, and _____.
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Between a solid mass of 10 kg and floor, two slab of isolator, natural rubber and felt
are kept in series as shown in Figure Q1(b). The natural rubber slab has a stiffness
of 3000 N/m and an equivalent viscous damping coefficient of 110 Ns/m. The felt
slab has a stiffness of 12,200 N/m and an equivalent viscous damping coefficient of
170 Ns/m.
(i) Sketch the single degree of freedom spring-mass-damper system
(ii) Determine the undamped and damped natural frequencies of the system in
the vertical direction. Neglect the mass of the isolator
Transcribed Image Text:m = 1P kg
rubber
felt
Figure Q1(b)
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