Homework Help is Here – Start Your Trial Now!
Engineering
Mechanical Engineering
VIbration subject. State 4 methods that can be used to control vibration.

VIbration subject. State 4 methods that can be used to control vibration.

Elements Of Electromagnetics
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
See similar textbooks
icon
Related questions
Question

VIbration subject.

State 4 methods that can be used to control vibration.

6 Principles of Vibration Attenuation Am Vibrations Notes # 2 Luqmaan Sulaiman O Separation Y=F cos (w+Aw)t T=X/Y r*1 > T< Tmax => + X Resonance region Tmax Ampz Separate the excitation frequency and natural frequency to avoid the resonance region. mm Ak 1- r= w/Wn 1 12 2 Dissipation T=X/Y 15 > T< Tmax → I X Y = F cos wt Low damping High damping X Tmax Dissipate vibration energy away from the system by increasing the damping property. 1- →r =w/Wn +C 3) Isolation T=x/Y r > 2 → T<1 → 4X Isolation region Y= F cos wt Tmax Isolate the system from the excitation source using isolator with very low natural frequency. 1- w。く r= w/wn (4) Reduction T=X/Y Y= LF cos wt Tmax Reduce the amplitude of the excitation source to reduce the the response. 1- r = w/wn 5 Absorption A = X/dst X' = -X > X = 0 Y= F cos wt Without DVA Amax Absorb the response of the system using dynamic vibration absorbers (DVA). with DVA Amin r= w/wn 6) Restriction T=x/Y X' = -X > X = 0 Y= F cos wt Unconstrained Tmax Restrict the motion of the system response by imposing motion constraints. Constrained 1+ >r= w/wn X: System response Y: Excitation source F: Excitation amplitude W: Excitation frequency t: Time T: Transmissibility A: Amplitude ratio r: Frequency ratio Wn: Natural frequency m: Mass C: Damping k: Stiffness
Transcribed Image Text:6 Principles of Vibration Attenuation Am Vibrations Notes # 2 Luqmaan Sulaiman O Separation Y=F cos (w+Aw)t T=X/Y r*1 > T< Tmax => + X Resonance region Tmax Ampz Separate the excitation frequency and natural frequency to avoid the resonance region. mm Ak 1- r= w/Wn 1 12 2 Dissipation T=X/Y 15 > T< Tmax → I X Y = F cos wt Low damping High damping X Tmax Dissipate vibration energy away from the system by increasing the damping property. 1- →r =w/Wn +C 3) Isolation T=x/Y r > 2 → T<1 → 4X Isolation region Y= F cos wt Tmax Isolate the system from the excitation source using isolator with very low natural frequency. 1- w。く r= w/wn (4) Reduction T=X/Y Y= LF cos wt Tmax Reduce the amplitude of the excitation source to reduce the the response. 1- r = w/wn 5 Absorption A = X/dst X' = -X > X = 0 Y= F cos wt Without DVA Amax Absorb the response of the system using dynamic vibration absorbers (DVA). with DVA Amin r= w/wn 6) Restriction T=x/Y X' = -X > X = 0 Y= F cos wt Unconstrained Tmax Restrict the motion of the system response by imposing motion constraints. Constrained 1+ >r= w/wn X: System response Y: Excitation source F: Excitation amplitude W: Excitation frequency t: Time T: Transmissibility A: Amplitude ratio r: Frequency ratio Wn: Natural frequency m: Mass C: Damping k: Stiffness
Expert Solution
steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Forced Undamped Vibrations
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Elements Of Electromagnetics
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Control Systems Engineering
Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY
Mechanics of Materials (MindTap Course List)
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning
Engineering Mechanics: Statics
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY
SEE MORE TEXTBOOKS