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Novel mechanism of instability control using tapered spike in hypersonic flow
(American Institute of Aeronautics and Astronautics, 2021-08-02)
A forward facing spiked blunt nose in high-speed flows is associated with pulsating flow behavior of varying amplitudes depending on spike-nose and length, the forebody geometry and flow conditions. A tapered spike has ...
Microfluidics in haemostasis: A review
(MDPI, 2020)
Haemostatic disorders are both complex and costly in relation to both their treatment and subsequent management. As leading causes of mortality worldwide, there is an ever-increasing drive to improve the diagnosis and ...
On unsteady flow analysis of a round spike blunt nose afterbody in mach 6 flow
(IOP Publishing Ltd, 2021)
An aerospike, in front of a blunt body, has largely been deemed as a key passive control device for effectively reducing the wave drag and aerodynamic heating associated with high-speed flows. In addition, it has been ...
Pulsating flow investigation for spiked blunt-nose body in hypersonic flow and its control
(American Institute of Aeronautics and Astronautics, 2021-01)
An aerospike, as a technique for drag reduction and heat transfer in high-speed flows, is
associated with instabilities. To understand the pulsating flow behavior in front of forward
facing spiked blunt nose, numerical ...
CFD-CRN Study of NOx formation in a high-pressure combustor fired with lean premixed CH4 / H2 - air mixtures
(The American Society of Mechanical Engineers, 2021-01)
The main motivation of this study is to investigate detailed NOx and CO formation in high-pressure dump combustor fired with lean premixed methane-air mixture using CFD-CRN hybrid approach. Further, this study is extended ...
The impact of thermal degradation on properties of electrical machine winding insulation material
(IEEE, 2016)
Interturn stator short circuits can develop quickly leading to serious damage of an electric machine. However, degradation mechanisms of winding insulation material are not yet fully understood. Therefore, the main ...
Study of direct gas injection into stagnation zone of blunt nose at hypersonic flow
(American Institute of Aeronautics and Astronautics, 2021-07-28)
Direct gas injection in the shocked or compressed region has importance in many applications from drag control to ignition and pressure gain combustion. This numerical study is focused on direct light gas injection into ...
Virtual lab for wireless sensor networks
(Faculty of Electrical Engineering and Computer Science - Stefan cel Mare University of Suceava, Romania, 2008)
This article details an experimental system developed to enhance the education and research in the area of wireless networks technologies. The system referred, as Virtual Lab (VL) is primarily targeting first time users ...
Flow-field and performance study of coaxial supersonic nozzles operating in hypersonic environment
(Praise Worthy Prize, 2020)
The integration of multiple propulsion systems in a coaxial configuration is one of the challenges to realize hypersonic passenger transportation. This study is an attempt to understand the performance of two co-axial jets ...
Drag control by hydrogen injection in shocked stagnation zone of blunt nose
(IOP Publishing, 2021)
The main motivation of the current study is to propose a high-pressure hydrogen injection as an hybrid active flow control technique in order to manipulate the flow-field in front of a blunt nose during hypersonic flight. ...