SpinOffs

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

Posts about CFD

2020 Software Release Feature Highlight: Importing FINE™/Open Grids and Starting CFD From a Previous CFD Run in pbPost™

2020 Software Release Feature Highlight: Importing FINE™/Open Grids and Starting CFD From a Previous CFD Run in pbPost™

By Steve Kohr, Associate Director, CAE Product Management
Oct 30, 2020

Concepts NREC’s pbPost™ product was created to provide designers a turbomachinery-specific pre- and post-processing tool to link our flagship 3D design product, AxCent®, and our partner NUMECA...

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Supercritical CO2, CFD, Alligators & Gladiators – Thoughts & Trends from Turbo Expo 2019

Supercritical CO2, CFD, Alligators & Gladiators – Thoughts & Trends from Turbo Expo 2019

By Mark R. Anderson
Jul 5, 2019

I recently got back from my favorite annual conference: ASME’s Turbo Expo. This year, someone thought it would be a good idea to hold it in Phoenix, Arizona…in the summertime.  While that’s not the...

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The Ultimate Fluid Model: Non-Equilibrium Modeling

The Ultimate Fluid Model: Non-Equilibrium Modeling

By Mark R. Anderson
May 24, 2019

In this blog series, I covered a lot of thermo-fluid options in engineering analysis, from the simplest perfect gas (When Perfect is Good Enough – Perfect Gas Models) and ideal liquid, (Fluid...

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Getting Real – Advanced Real Gas Models

Getting Real – Advanced Real Gas Models

By Mark R. Anderson
May 3, 2019

The Refprop program The calculations in the National Institute of Standards and Technology (NIST) Refprop program are generally considered the most accurate thermo-fluid models available.  The...

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Going Through a Phase – Modeling Phase Change with Cubics

Going Through a Phase – Modeling Phase Change with Cubics

By Mark R. Anderson
Apr 26, 2019

When fluids undergo a phase change (see Phase Change - Make Mine a Double), it typically has a very significant effect of the flow behavior and energy level of the system.  Some examples of this are:...

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The Challenges & Cures of CFD Solution Failures

The Challenges & Cures of CFD Solution Failures

By Mark R. Anderson
Aug 3, 2018

Computational fluid dynamic analysis (CFD) has become a standard part of the turbomachinery design process. Within Concepts NREC’s Agile Engineering Design System, FINE/Turbo, from our Partner NUMECA...

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Avoiding the

Avoiding the "Bad Day" in Aerospace

By Francis A. Di Bella, P.E.
Jul 6, 2018

The AS9100 Certification identifies companies who have qualified to manufacture products for the Aerospace Industry.  Manufacturers who meet the extensive requirements of the AS9100 Certification...

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An Initial Look at Conical Diffusers in Turbomachinery Design

An Initial Look at Conical Diffusers in Turbomachinery Design

By Jamin Bitter
Jun 22, 2018

Perhaps the most common type of diffuser in turbomachinery is the conical diffuser. This diffuser is found at the exit of every volute as the geometry transitions to the exit flange. This conical...

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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...

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Great Designs Deserve to Shine

Great Designs Deserve to Shine

By George C. Zitka, P.E.
May 4, 2018

If you are a turbomachinery engineer, you know you can spend days, weeks, or even months analyzing various design iterations, looking for the optimal choice for the application.  When you go to...

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The Best CFD Averaging Methods for Distortion

The Best CFD Averaging Methods for Distortion

By Mark R. Anderson
Aug 9, 2017

Three-dimensional flow fields typically have some degree of distortion in the flow properties and flow profiles across a given cross section. These distortions can be quite significant in regions...

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Using FINE™/Turbo for CFD Analysis in AxCent®

Using FINE™/Turbo for CFD Analysis in AxCent®

By Daryl L. Bonhaus
May 12, 2017

In May of 2016, Concepts NREC and NUMECA International announced a strategic partnership to combine their products to provide a comprehensive turbomachinery design and analysis system. In November of...

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Throughflow Modeling: An Overview

Throughflow Modeling: An Overview

By Morgan Williams
Mar 22, 2017

This Blog post gives a brief outline of the throughflow method for turbomachinery flows and presents the calculated performance results of a Single-Stage Axial-Flow Compressor validation.

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