Results 21 to 30 of about 845 (133)
Test Facility for High-Speed Probe Calibration [PDF]
A new test facility was built up as a part of a closed-loop transonic wind tunnel in VZLU´s High-speed Aerodynamics Department. The wind tunnel is driven by a twelve stage radial compressor and Mach and Reynolds numbers can be changed by the compressor ...
Jelínek Tomáš +3 more
doaj +1 more source
Numerical simulation of axisymmetric valve operation for different outer cone angle
One of the method of flow separation control is application of axisymmetric valve. It is composed of nozzle with core. Normally the main flow is attached to inner cone and flow by preferential collector to primary flow pipe.
Smyk Emil
doaj +1 more source
Computational Prediction of Thrombosis in Food and Drug Administration’s Benchmark Nozzle
Thrombosis seriously threatens human cardiovascular health and the safe operation of medical devices. The Food and Drug Administration’s (FDA) benchmark nozzle model was designed to include the typical structure of medical devices.
Yonghui Qiao +4 more
doaj +1 more source
The goal of this paper is to find an optimal nozzle size of an axisymmetric synthetic jet actuator based on a loudspeaker. The desirable maximized output quantities are: volumetric flow, momentum flux, and kinetic energy flux.
Kordík J., Trávníček Z.
doaj +1 more source
In this study, the unique reverse-flow around the inlet nozzle of a squirrel-cage fan was numerically studied by computational fluid dynamics (CFD), and a non-axisymmetric D-type inlet nozzle was proposed to inhibit it. It is shown that serious back flow
Hui Liu +4 more
doaj +1 more source
Analysis of a Low-Angle Annular Expander Nozzle
An experimental and numerical analysis of a low-angle annular expander nozzle is presented to observe the variance in shock structure within the flow field. A RANS-based axisymmetric numerical model was used to evaluate flow characteristics and the model
Kyll Schomberg, John Olsen, Graham Doig
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Comparison of synthetic jet actuators based on sharp-edged and round-edged nozzles
Axisymmetric synthetic jet actuators based on a loudspeaker and on two types of flanged nozzles were tested and compared experimentally. The first type of the nozzle was a sharp-edged circular hole.
Kordík J., Trávníček Z.
doaj +1 more source
Aerodynamic Design of a Laval Nozzle for Real Gas Using Hodograph Method
We propose an approach for the design of the subsonic part of plane and axisymmetric Laval nozzles for real gases. The proposed approach is based on the hodograph method and allows one to solve the inverse design problem directly.
Aleksandr Chikitkin +3 more
doaj +1 more source
Effect of Nozzle Exit Geometry on the Development of Turbulent jets
Results are presented for some features of the structure of turbulent free jets issuing from an equilateral triangular nozzle and from a sharp-edged square nozzle with the same cross-sectional area.
A. Seif, M. Zedan, A. Shibl
doaj +1 more source
Tunable 3D‐Printed Static Mixers for Gradient Bioprinting With High Cell Viability
ABSTRACT The fabrication of native tissue‐like structures with gradual transitions in material properties, cell types, and growth factors remains a major challenge in biofabrication due to the lack of suitable methods. Mimicking the hierarchical organization of living tissues is essential for functional models, yet creating gradient, multimaterial ...
Florian Hofmann +9 more
wiley +1 more source

