SpinOffs

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

Posts about Range Extension

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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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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