Investigation and back-propagation modeling of base pressure at sonic and supersonic Mach numbers
The experimental analysis of base pressure in a high-speed compressible flow is carried
out. The flow is made to expand abruptly from the nozzle into an enlarged duct at fifteen …
out. The flow is made to expand abruptly from the nozzle into an enlarged duct at fifteen …
Passive control of base pressure: a review
In the present world, passive control finds application in various areas like flow over blunt
projectiles, missiles, supersonic parallel diffusers (for cruise correction), the engine of jets …
projectiles, missiles, supersonic parallel diffusers (for cruise correction), the engine of jets …
Base and wall pressure control using cavities and ribs in suddenly expanded flows-an overview
V Sethuraman, P Rajendran… - Journal of Advanced …, 2020 - semarakilmu.com.my
An understanding of fluid flow in sudden expansion has resulted in a great deal of research
work in this area. Of particular interest is the study of base drag which influences the …
work in this area. Of particular interest is the study of base drag which influences the …
[HTML][HTML] Convolutional neural network modeling and response surface analysis of compressible flow at sonic and supersonic Mach numbers
Ribs as passive control in suddenly expanded flow is exciting to enhance the base pressure
around nozzle exit. Furthermore, predictions of compressible flow characteristics in duct …
around nozzle exit. Furthermore, predictions of compressible flow characteristics in duct …
[PDF][PDF] Experimental research of wall pressure distribution and effect of micro jet at Mach
In this paper, a study on the effect of the control on the wall pressure as well as the quality of
the flow when tiny jets were employed. The small jet aimed to regulate the base pressure at …
the flow when tiny jets were employed. The small jet aimed to regulate the base pressure at …
Control of suddenly expanded flows with micro-jets
SA Khan, E Rathakrishnan - International journal of Turbo and Jet …, 2003 - degruyter.com
The results of an experimental investigation carried out to control the base pressure in a
suddenly expanded axisymmetric passage are presented in this paper. Active control in the …
suddenly expanded axisymmetric passage are presented in this paper. Active control in the …
Investigation of suddenly expanded flows at subsonic Mach numbers using an artificial neural networks approach
The purpose of this study is to explore two concepts: first, the use of artificial neural networks
(ANN) to forecast the base pressure (β) and wall pressure (ω) originating from a suddenly …
(ANN) to forecast the base pressure (β) and wall pressure (ω) originating from a suddenly …
[HTML][HTML] Comprehensive CFD analysis of base pressure control using quarter ribs in sudden expansion duct at sonic Mach numbers
This study aims to assess the effect of rib size, shape, and location in a suddenly expanded
flow at sonic Mach number. Flow from a converging nozzle is exhausted into a larger area of …
flow at sonic Mach number. Flow from a converging nozzle is exhausted into a larger area of …
[PDF][PDF] Passive control of base pressure in a converging-diverging nozzle with area ratio 2.56 at Mach 1.8
In this study, a duct is considered and special attention is paid to a passive method for the
control of the base pressure relying on the use of a cavity with a variable aspect ratio. The …
control of the base pressure relying on the use of a cavity with a variable aspect ratio. The …
Passive control of base pressure with static cylinder at supersonic flow
An experimental investigation for over expanded, perfectly expanded and under expanded
supersonic jets is presented to study the effectiveness of a static cylinder to reduce base …
supersonic jets is presented to study the effectiveness of a static cylinder to reduce base …