Read our “Sound & Vibration Engineering” magazine on Flipboard
Are you a Flipboard user? "What is Flipboard?" some of you will ask. Flipboard is an up-and-coming mobile app for pulling all of your news sources and social media together…
Generating speed v time information from noise & vibration signals
Picture the scenario; you have captured some noise & vibration data from a rotating machine. Typically, this might be noise in a vehicle cabin, but could have been anything from…
How Do I Convert Between Acceleration, Velocity & Displacement?
One of the most searched for and read topics on the Noise & Vibration Measurement Blog is that of converting between measurements of acceleration, velocity and displacement. To help anyone…
10 More Cool Engineering Videos
Our previous collection of cool engineering videos in 2010 proved so popular that we just had to make another list. So here we present another 10 really cool engineering videos.…
What Is A Hammer Test Or Hammer Impact Test?
This is often also known as Modal Testing. It is a method of testing that allows us to calculate the natural frequencies (modes), modal masses, modal damping ratios and mode shapes…
What Can I Do About Spikes In My Data?
Whether you call them spikes, glitches, anomalies or data dropouts, these phenomena have been a problem to engineers ever since they started recording data. There are any number of reasons…
Engine Model Being Put Through Its Paces
Our engine model demonstrator being put through its paces. Runups, rundowns and 'overclocking' https://www.youtube.com/watch?v=jG7aVK7aBp0
Come & see Prosig at Testing Expo North America 2012
Prosig will be at Automotive Testing Expo North America from today, October 23rd, until October 25th 2012. Among the hardware and software on display will be some of the latest developments to…
Understanding & Measuring Noise
There are many reasons to measure and analyze noise. It may relate to legislation or regulations that limit noise in certain environments, we could be using the noise to investigate…
2nd Annual Prosig / Portsmouth University Prize Awarded
The 2nd Annual Prosig Prize for Engineering at Portsmouth University has been awarded to Ashley Stehr for his project “Developing an engineering mechanism to reduce the effects of rapid rotational motion caused by the shocks inherent with high speed craft”. Ashley is in his third year studying for an MSc in Mechanical Engineering. His project was supervised by Dr Ya Huang. Ashley’s project poster is shown below (click for a larger view).
Building a new test model
Recently, we decided it was about time we had a new model for testing, training and demonstrations. Specifically, we wanted something that would allow us to test the full capability…
Testing Times : Why & How We Measure Noise & Vibration
We're going to look today at some of the practical aspects of how we measure noise & vibration and consider why it's important that you should measure and, more importantly,…
Mari Aerotech To Attend Automotive Testing Expo India 2012
Prosig's Indian distributor, Mari Aerotech, will be exhibiting at Automotive Testing Expo India 2012. The conference runs on 6th, 7th & 8th March 2012 at Chennai Trade Centre. Automotive Testing Expo India…
Measuring Torsional Vibration 101
Are you interested in measuring torsional vibration? Need to measure shaft twist? Worried about rotational jitter? Don't worry, we've got it covered. Here we have gathered together our most popular…
What’s All The Noise About?
We've come across a number of great noise related resources lately. So, rather than keep them all to ourselves, we have decided to share them with our readers. Thanks should…
5 Unusual & Interesting Acoustic Webpages
Many of our readers spend their days studying or solving noise problems. In our day-to-day work it’s often easy to forget some of the more unusual applications and miss out on the more interesting side of acoustics. So we have gathered together 5 examples of unusual or interesting acoustic work. If you know of any other out of the ordinary acoustic applications or websites then please leave a comment in the box at the end of this post. (more…)
Video: Noise & Vibration From Rotating Machines
This is complete version of the video illustrating my recent article How To Measure Noise & Vibration In Rotating Machines. This video was previously published on the blog in 3 parts.…
5 Videos That Explain Resonance
One of our most popular articles here on the Noise & Vibration Measurement Blog is What Is Resonance? by James Wren. Since this is such an important concept in noise…
How To Analyze Noise & Vibration In Rotating Machines
In this article we will look at the basic steps needed to measure noise & vibration in rotating machines. We won’t look in great detail at some of the techniques involved – we deal with these elsewhere on the blog. This material is suitable for a newcomer to the field who understands the basic concepts of noise & vibration analysis, but has not dealt with rotating machinery before. (more…)
8 Biggest, Fastest & Longest Achievements Of Engineering
There are many hundreds, if not thousands, of engineering feats that inspire admiration and awe. We have picked 8 videos that we think represent some of the best. What do you think? Do you have your own favourites? Are our choices still the ultimate in their field? Leave your comments below…
1. The Largest Self Propelled Man Made Object
The Jahre Viking (also known at various times as Seawise Giant, Happy Giant and Knock Nevis) is believed to be the largest self propelled mad made object. She was also the longest and heaviest ship ever built. This video is from Jeremy Clarkson’s Extreme Machines series.
How Can Social Networks Help Engineers?
Over the past few years it has been impossible to ignore the rise of social networking. Sites such as Facebook & Twitter have come to dominate the Internet to such…
Adding a DATS graph to a Powerpoint slideshow
A short tutorial video on how to add a DATS graph to a Powerpoint slideshow.
9 Great Engineering Animations
Here is a great little collection of engineering animations from the simple everyday to the more sophisticated. A brilliant way to learn how things work. We hope you like them. Please leave your comments.
4-speed Gearbox
Engine power enters through the shaft on the left and is transferred out of the gearbox on the right. The lower shaft is known as the layshaft. You can find out more about manual gearboxes at How Stuff Works.
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A New Look for 2011
It's a new year and so we thought it was time for a new look for the Noise & Vibration Measurement Blog. After a reviewing our needs and a bit…
10 Great Engineering Projects Using Lego
Since it’s Christmas Eve Eve, here is a little lighthearted Christmas entertainment. Regular readers of this blog or those who follow our Facebook or Twitter feeds will know that some of us are big fans of well engineered Lego projects. So, since many of us will soon be waiting our turn with the children’s or grandchildren’s Christmas Lego, we have collected together eight of the best videos of Lego engineering projects that we could find. Do you know of any more similar Lego projects? Then leave a link in the comments at the end of the post. Enjoy…
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