On the flow unsteadiness and operational characteristics of a novel supersonic fluidic oscillator

S Maikap, SK Karthick, AK Rajagopal - Physics of Fluids, 2023 - pubs.aip.org
A novel supersonic jet oscillating method is investigated both experimentally and
numerically. A rectangular primary supersonic jet is issued into a confined chamber with …

Active flow control of supersonic jet using streamwise pulsed blowing

S Maikap, R Arun Kumar, HB Kothadia - AIAA Journal, 2022 - arc.aiaa.org
The present study investigates a novel control strategy to create a sweeping oscillatory jet
using fluidic actuation principle. A supersonic underexpanded primary jet issued into a …

Insights into the shockwave attenuation in miniature shock tubes

S Janardhanraj, K Abhishek… - Journal of Fluid …, 2021 - cambridge.org
Miniature shock tubes are finding growing importance in a variety of interdisciplinary
applications. There is a lack of experimental data to validate the existing shock tube flow …

Investigation of Burst Pressure of Flat-Scored Metal Diaphragms in Hypersonic Impulse Facilities

W Wang, Q Wang, J Li, W Zhao, L Gao, Z Liu, Z Qian - AIAA Journal, 2024 - arc.aiaa.org
Flat-scored metal diaphragms are essentially used in various hypersonic impulse facilities
as quick-opening valves. Their burst pressure is a key parameter to optimize the …

A parametric study on the fluid dynamics and performance characteristic of micronozzle flows

SK Singh - Journal of Fluids Engineering, 2022 - asmedigitalcollection.asme.org
This study investigates the fluid dynamics and performance characteristics in micronozzle
flows with changes in various geometric parameters using Navier–Stokes simulation based …

Novel test section for homogeneous nucleation studies in a pulse expansion wave tube: Experimental verification and gasdynamic 2D numerical model

MM Campagna, MEH van Dongen… - Experiments in Fluids, 2020 - Springer
A novel design of a pulse expansion wave tube (PEWT) for the study of homogeneous
nucleation in mixtures of vapours and gases is presented. The main difference with the …

Shock wave diffraction in micro-shock tubes with sudden expansion

A Suresh, R Raj, AK Rajagopal - Acta Mechanica, 2023 - Springer
The present study investigates the shock wave propagation and diffraction characteristics in
a micro-shock tube with sudden expansion and compares with the well-established classical …

[PDF][PDF] Experimental study of carrier gas and pressure effects on homogeneous water nucleation

MM Campagna - 2021 - research.tue.nl
The effects of pressure and carrier gases on homogeneous water nucleation are
investigated experimentally by means of a Pulse Expansion Wave Tube (PEWT). A novel …

[PDF][PDF] Numerical study on the active flow control of supersonic jet using streamwise pulsed blowing

S Maikap, A Kumar, HB Kothadia - researchgate.net
Flow control devices are one of the most important components in many engineering
applications to meet their functional requirements and performance enhancement …