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Wyszukujesz frazę "combinatorial method" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
A new approach to identification and optimization of airfoils by using the combinatorial-cyclic method
Autorzy:
Ziętarski, S.
Kachel, S.
Kozakiewicz, A.
Powiązania:
https://bibliotekanauki.pl/articles/132112.pdf
Data publikacji:
2014
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
airfoils
design optimization
combinatorial-cyclic method
Opis:
For the last several years the combinatorial-cyclic method of optimization has been validated and expanded to new areas of applications. Although coordinate measurement analysis still is the main area of applications, the method is becoming a useful and unique tool in design optimization, reverse engineering (parametric design included), and virtual engineering. The case study aerodynamics of airplane and turbine airfoils, and simulation of wind tunnels is very difficult and promising as well. To solve all problems arising in these areas, an extensive software within the integrated CAD/CAM /CAE system has been developed, written in GRIP (SIEMENS NX 3.8).
Źródło:
Advanced Technologies in Mechanics; 2014, 1, no. 1 (1); 2-14
2392-0327
Pojawia się w:
Advanced Technologies in Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A unified method of identification and optimization of airfoils for aircrafts, turbine and compressor blades
Autorzy:
Ziętarski, S.
Kachel, S.
Kozakiewicz, A.
Powiązania:
https://bibliotekanauki.pl/articles/1396456.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
airfoils
design optimization
combinatorial-cyclic method
turbine engines
Opis:
Topics below are rather undesired, but important, outcome not yet completed research on the aircraft airfoils, turbine and compressor blades, parametric design of airfoils, establishing the relationships based on the results of experiments in a wind tunnel, developing databases for determining the relationships between airfoil parameters and lift and drag coefficients. Reliable database created as a result of the research work allows to simulate the wind tunnel. Very early on, however, was necessary to extend the developed specialized software for a new applications, and it meant the need for generalization of software, e.g. for gas turbine engines, propellers, etc. But after some time it turned out, that in order to achieve the required accuracy, the changes are needed in the underlying assumptions, set decades ago. In addition, coordinate measuring machines and systems, and associated software were not always as accurate as expected. Concepts how to solve it and develop software carrying out these tasks are presented in the article. It is like to withdraw from the old path and look for a new path that will lead to the reliable data base. Processes related to air or gas flow should be similarly defined in all the specialized software applications (e.g. aircrafts and turbine engines). Accuracy (10-9 mm) achieved in virtual measurements within the integrated system can be used to verify the results of CMM and other measuring systems, provided that an appropriate software has been developed.
Źródło:
Advanced Technologies in Mechanics; 2015, 2, no. 3 (4); 2-15
2392-0327
Pojawia się w:
Advanced Technologies in Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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