SpinOffs

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

Posts about Gas Turbines

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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Film Cooling In Turbines

Film Cooling In Turbines

By Song Xue
May 24, 2018

Turbine inlet temperature is one of the most critical parameters in the Brayton cycle of gas turbine engines. One way to increase the cycle efficiency is to increase the turbine inlet temperature, as...

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Optimizing the Radial-to-Axial Duct Geometry for a Gas Turbine Radial Compressor Impeller

Optimizing the Radial-to-Axial Duct Geometry for a Gas Turbine Radial Compressor Impeller

By Oleg Dubitsky
Apr 13, 2018

Many gas turbines with radial compressors utilize a radial-to-axial inlet duct upstream of the first compressor stage. Aside from the fact that flow in the duct generates aerodynamic losses, the flow...

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Getting Carried Away (Literally) with a Hobby - How I Ended up with a Helicopter

Getting Carried Away (Literally) with a Hobby - How I Ended up with a Helicopter

By Adam Weaver
Nov 22, 2017

How did I get from not knowing (or caring) anything about home-built aircraft to owning a gas turbine powered helicopter? As you might imagine, it’s complicated.

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