SpinOffs

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

Kerry Oliphant

How the Design of a Wind Turbine Differs from Other Types

How the Design of a Wind Turbine Differs from Other Types

By Kerry Oliphant
Mar 1, 2019

Wind power generation is rapidly growing worldwide, and with that growth, demand for wind turbine design engineers is also growing.  However, an engineer who has experience designing turbines in most...

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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...

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Electric Pumps for Space Propulsion

Electric Pumps for Space Propulsion

By Kerry Oliphant
Apr 5, 2018

The recent success of Rocket Lab, putting small satellites into orbit with its Electron rocket, is a significant milestone in the evolution of space flight.  The Electron rocket is powered by a set...

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How to Design a Pump for Reduced NPSH

How to Design a Pump for Reduced NPSH

By Kerry Oliphant
Jun 20, 2017

Cavitation occurs in a pump when the bulk liquid pressure starts to approach the vapor pressure of the liquid, and cavities of vapor form as seen in Figure 1.  This figure shows the inlet of a...

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