SpinOffs

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

Posts about Turbochargers

Top Summer Vacations for Turbomachinery Engineers

Top Summer Vacations for Turbomachinery Engineers

By Barbara Shea
Jun 14, 2019

Summer is almost here, at least in my hemisphere, so here are some of the best places around the world people in the turbomachinery industry might find interesting! Know of another? Share your...

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Simple Stall - Video Blog - Part 2

Simple Stall - Video Blog - Part 2

By Mark R. Anderson
Apr 12, 2019

Our CTO, Mark Anderson, takes a fundamental look at simple stall and its impact on turbochargers stability and range. This is the second video in this 2-part series. Be sure to watch Part 1 first!

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Performance Corrections for Compressor Maps

Performance Corrections for Compressor Maps

By Mark R. Anderson
Apr 9, 2019

Turbomachinery performance is almost always analyzed and tested with a fixed inflow condition. In other words, the assumption is that the inflow fluid temperature and pressure is defined and...

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Simple Stall - Video Blog - Part 1

Simple Stall - Video Blog - Part 1

By Mark R. Anderson
Apr 5, 2019

Our CTO, Mark Anderson, takes a fundamental look at simple stall and its impact on turbochargers stability and range. This is the first video in this 2-part series. 

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7 Turbomachinery Themed Valentine’s Day Cards – Which is Your Favorite?

7 Turbomachinery Themed Valentine’s Day Cards – Which is Your Favorite?

By Barbara Shea
Feb 8, 2019

Valentine’s Day is February 14, and while some cynics refer to it as a “Hallmark holiday”, most people commemorate the day in some way. One of the biggest challenges is finding a card that perfectly...

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20 Great Gifts for Engineers from $10 to $2 Million

20 Great Gifts for Engineers from $10 to $2 Million

By Barbara Shea
Nov 23, 2018

Gifts for Engineers can usually be segmented into a few categories: Things you have to put together, science fiction, gaming, new technology, and witty phrases printed on stuff. A Google search of...

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Gas Turbine Automobiles - Yesterday, Today and Tomorrow

Gas Turbine Automobiles - Yesterday, Today and Tomorrow

By Francis A. Di Bella, P.E.
Nov 2, 2018

Credit for the first gas turbine engine used in flight is given to Dr. Frank Whittle.  Dr. Whittle maintained a steadfast commitment to developing gas turbine-powered aircraft in the midst of World...

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There is No Such Thing as a Design Point

There is No Such Thing as a Design Point

By Dr. Peter Weitzman
Oct 26, 2018

Most turbomachines need to operate across a range of fluid flow rates and speeds. This is obvious in transportation applications where gas turbine engines and turbochargers need to operate at all of...

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Top Five Coolest Turbomachinery Applications

Top Five Coolest Turbomachinery Applications

By Barbara Shea
Oct 4, 2018

Most people have no idea what turbomachinery is, but some of the coolest things on (or off) this planet involve turbomachines.  Here are my picks for the top 5. 

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Extending the Operating Range of Centrifugal Compressors

Extending the Operating Range of Centrifugal Compressors

By Adam Weaver
Sep 28, 2018

Extending the operating range of centrifugal compressors has been a highly sought-after goal for several decades. In fact, the potential benefits have motivated researchers to develop and put into...

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A Small Taste of Two Papers from Turbo Expo 2018 in Norway

A Small Taste of Two Papers from Turbo Expo 2018 in Norway

By Barbara Shea
Jun 14, 2018

The 2018 ASME Turbo Expo in Lillestrøm, Norway was, as always,  a smorgasbord of papers and presentations on the latest and greatest ideas in turbomachinery and gas turbines. Two of our favorites...

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Getting Something for Nothing – Extending Compressor Operating Range Without an Efficiency Penalty

Getting Something for Nothing – Extending Compressor Operating Range Without an Efficiency Penalty

By George C. Zitka, P.E.
Dec 8, 2017

Can you really get something for nearly nothing? In many cases, a properly-designed compressor casing treatment can extend compressor operating range without having to pay an appreciable efficiency...

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What Next for Wider Flow Range Centrifugal Compressors?

What Next for Wider Flow Range Centrifugal Compressors?

By Dr. Colin Osborne
Sep 21, 2017

Flow range is an essential consideration in the design of any centrifugal compressor system, regardless of the application. Adequate flow range is necessary, not only to assure that various...

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Turbomachinery Textbooks Focused on Engineering Design

Turbomachinery Textbooks Focused on Engineering Design

By Barbara Shea
Jul 14, 2017

The vast majority of turbomachinery textbooks emphasize analysis when the heart of engineering is based in design. Concepts NREC is uniquely qualified to share the nature and process of engineering...

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Optimization of Cycle Parameters, Fuel Consumption, and Weight of a Turboshaft Engine Using 1D Design Tools

Optimization of Cycle Parameters, Fuel Consumption, and Weight of a Turboshaft Engine Using 1D Design Tools

By Oleg Dubitsky
Jun 1, 2017

New engine development is a costly endeavor and making the right decisions early in the engine design is extremely important. It requires multi-disciplinary consideration of the engine thermodynamic...

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Multidisciplinary Optimization of Turbocharger Turbine with Non-Radial Blades for Two Operating Points

Multidisciplinary Optimization of Turbocharger Turbine with Non-Radial Blades for Two Operating Points

By Dr. Nicholas C. Baines and Oleg Dubitsky
May 25, 2017

The turbine of an automotive turbocharger is subject to a wide and demanding range of requirements and constraints. High efficiency is required to reduce the pumping work of the engine that can make...

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Turbocharger Market – Is There Room for Growth?

Turbocharger Market – Is There Room for Growth?

By Dr. Nicholas C. Baines
Apr 20, 2017

The recent announcement that Bosch Mahle Turbosystems is up for sale demonstrates just how difficult it is to succeed in the mainstream turbo market that is already served by very well established...

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Designing Turbomachinery with Optimization – Better Designs in Less Time

Designing Turbomachinery with Optimization – Better Designs in Less Time

By Edward Childs
Mar 2, 2017

Thanks to early pioneering efforts by Dr. David Japikse and his team, Concepts NREC has been at the forefront of turbomachinery design optimization for the past 15 years.

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