---
title: ADT's Publication | Viscous Transonic Inverse Method to NASA Rotor 67
description: Download your copy of ADT's Publication on 'Application of a Three-Dimensional Viscous Transonic Inverse Method to NASA Rotor 67'.
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Free Publication

# Application of a Three-Dimensional Viscous Transonic Inverse Method to NASA Rotor 67

Written by Prof. M. Zangeneh and W.T. Tiow, Department of Mechanical Engineering at the University College London.

## **What's inside?**

The **development and application of a three-dimensional inverse methodology** in which the blade geometry is computed on the basis of the specification of static pressure loading distribution is presented. The methodology is based on the intensive use of computational fluid dynamics (CFD) to account for three-dimensional subsonic and transonic viscous flows.

> The application of the method is explored using a transonic test case, **NASA rotor 67**. From an understanding of the dynamics of the flow in the fan in relation to its pressure loading distributions,simple guidelines can be developed for the inverse method in  
> order to weaken the shock formation.

![Application of a Three-Dimensional Viscous Transonic Inverse Method to NASA Rotor 67 Cover](https://info.adtechnology.com/hs-fs/hubfs/Collateral%20Planning/2021/Publications/Application%20of%20a%20Three-Dimensional%20viscous%20Transonic%20Inverse%20Method%20to%20NASA%20Rotor%2067/Application%20of%20a%20Three-Dimensional%20Viscous%20Transonic%20Inverse%20Method%20to%20NASA%20Rotor%2067%20Cover.png?width=600&name=Application%20of%20a%20Three-Dimensional%20Viscous%20Transonic%20Inverse%20Method%20to%20NASA%20Rotor%2067%20Cover.png)

### In this publication, you will:

1. **Discover **the design technics to redesign two NASA rotor 67 fan blades.
2. **See** how to improve the overall quality of the flow aerodynamics and how to get larger working ranges with an efficiency of 0.6 per cent higher than the original fan at the design point.
3. **Understand** why such an approach leads to a substantial reduction of the computational cost compared to the direct method.

![download](https://info.adtechnology.com/hubfs/ADT%20Live%20Asset%20-%20Hub/images/adt-image.svg)

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