A software tool for blade design

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00010669%3A_____%2F20%3AN0000091" target="_blank" >RIV/00010669:_____/20:N0000091 - isvavai.cz</a>
Result on the web
<a href="https://www.vzlu.cz/cs/transfer-vysledku-c4/" target="_blank" >https://www.vzlu.cz/cs/transfer-vysledku-c4/</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
A software tool for blade design
Original language description
The paper describes an interactive software tool for blade design of axial flow machines. It is written as an extension module to the open-source software FreeCAD. In its graphical interface, the user can modify the blade profiles, stack them to create the whole blade and generate end walls and other stage features. Everything can be controlled by a simple Python script. Results can be saved as STEP file or STL mesh and export to a mesh generator and CFD solver. Blade profiles are given by a set of parameters describing Bézier curves, the blade is represented by b-spline surfaces. Up to now, the tool helps the designer to find the right shapes by a 1D method, which evaluates the velocity triangles and the state variables through the machine stage on a mean line (mean radius) from the given design parameters (mass flow, total states in front of the stage, rotational speed etc.) and distribute them along the radius from the hub to the tip. The CFD results of a sample designed stage are included.
Czech name
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Czech description
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Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of the International conference Experimental Fluid Mechanics 2019
ISBN
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ISSN
2100-014X
e-ISSN
2100-014X
Number of pages
6
Pages from-to
496-501
Publisher name
TU Liberec
Place of publication
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Event location
Franzensbad, Czech Republic
Event date
Nov 19, 2020
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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