SpinOffs

A blog on what's new, notable, and next in turbomachinery

Posts about Testing

Yellow Ropes

Yellow Ropes

By Jim Miller
Aug 17, 2018

In the mid 1980’s, while serving in the Canadian Air Force, I had the good fortune, on one of my many adventures, to fly into Sondrestrom Air Base in Greenland. The Base is at the head of a beautiful...

Continue
What Is Pogo and Why Is It Bad For Rockets?

What Is Pogo and Why Is It Bad For Rockets?

By Kerry Oliphant
Jun 28, 2018

Space launch vehicles can exhibit self-excited longitudinal oscillations, also known as “Pogo” — so named because the phenomenon vibrates the rocket up and down in a manner similar to bouncing on a...

Continue
Is Laboratory Testing Still Needed for Turbomachinery Development?

Is Laboratory Testing Still Needed for Turbomachinery Development?

By Andrew Provo
May 17, 2018

Historically, testing has played a critical role in the turbomachinery design process and multiple rounds of “design, test, analyze, repeat” were not uncommon.  Today however, the industry seems to...

Continue
The 5 Why's - A Tool for Effective Problem Solving

The 5 Why's - A Tool for Effective Problem Solving

By Jim Miller
Dec 21, 2017

  A challenge in the engineering profession is that we, too often, look at complex problems as requiring complex solutions. As an example, a customer recently asked Concepts NREC to perform a very...

Continue
The Challenges of Testing Turboshaft Engines with Dynamometers

The Challenges of Testing Turboshaft Engines with Dynamometers

By Jim Henry
Apr 13, 2017

The testing of turboshaft engines is necessary to ensure that post-repair performance meets or exceeds requirements for safe aircraft operation.  Testing typically involves several phases such as:...

Continue

Subscribe to SpinOffs