Vibration Analysis
Two Minute Tips
Designing a Wind Turbine: Dealing with Resonance
Whenever the natural frequency of a turbine tower meets the rotor or blade frequency, it oscillates. It has a resonance. How do we avoid it…
- Partha Ravi
- OnyxInsight Australia
10 Minute Talk
Averaging and the FFT
When collecting vibration data with an FFT analyzer, a linear averaging process is used to reduce noise in the vibration spectrum. This video discusses signal processing, averaging and the Fast Fourier Transform in the vibration data collector..
- Jason Tranter
- Mobius Institute
Two Minute Tips
Surface Morphology of Railroad Tracks
Surface morphology is a detailed study of a surface. We studied the surfaces of railroad tracks and found that using analytical imaging helps us see what we cannot see with our naked eyes…
- Ashish Arora
- Institute of Noise & Vibration
Case Studies and Stories
How We Diagnosed Our Cooling Water Pump Gearbox
This case study comes from a custom-made, four-story-high pump at Engro Fertilizers. In January 2014, we started noticing abnormal noise and vibration from the gearbox. But we couldn’t see anything apart from an increased gear mesh frequency…
- Haider Ali
- Engro Fertilizers
10 Minute Talk
Turbo Machinery 101
Salah Attia tells us about different types of turbines and the alarm levels that should be set to protect these critical machines…
- Salah Attia
- ALS Industrial
10 Minute Talk
When Vibration from Trains Damages Buildings
In large cities in India, such as Delhi, metros cause a lot of damage to buildings. Stories have appeared on the news of people who have to repair their houses again and again…
- Ashish Arora
- Institute of Noise & Vibration
10 Minute Talk
Measurement Sensors and Applications for Measuring Turbo Machinery
When measuring turbo machinery, measurement types include casing absolute vibration, shaft relative vibration, and shaft absolute vibration…
- Salah Attia
- ALS Industrial
Two Minute Tips
How to Mount a Vibration Sensor
The mounting of a vibration sensor directly impacts its performance. Incorrect mounting may give readings that relate not only to a change in conditions but also to...
- Chris Hansford
- Hansford Sensors
Five Minute Facts
How to Ensure Successful Acceleration Enveloping
Acceleration enveloping is the sophisticated signal processing technique that helps to pinpoint bearing failure at an early stage. Below is a guide of how to successfully implement it...
- Chris Hansford
- Hansford Sensors
