Numerical investigation on behaviors of shock train in a hypersonic inlet with translating cowl
Sign Up to like & getrecommendations! Published in 2018 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2018.09.015
Abstract: Abstract In order to extend the range of flight Mach numbers, the variable-geometry inlet equipped with a translating cowl has been proposed. To estimate the effects that the translation of cowl has on the behavior… read more here.
Keywords: shock train; inlet; train; translating cowl ... See more keywords
Numerical investigation on shock train control and applications in a scramjet engine
Sign Up to like & getrecommendations! Published in 2017 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2016.11.007
Abstract: Different factors which help to control the shock train in the scramjet isolator and combustor were analyzed via numerical investigations, and were applied to a whole scramjet engine in the working environment. A streamline traced… read more here.
Keywords: scramjet engine; shock train; shock; combustor ... See more keywords
Path dependence characteristic of shock train in a 2D hypersonic inlet with variable background waves
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.02.001
Abstract: Abstract The inlet equipped with a translating cowl is confirmed to have the ability of extending the range of flight Mach numbers. Along with the translation of cowl, the performance of inlet and background waves… read more here.
Keywords: shock train; dependence characteristic; background waves; shock ... See more keywords
Numerical investigation on the forced oscillation of shock train in hypersonic inlet with translating cowl
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.02.022
Abstract: Abstract To investigate the forced oscillations of shock train caused by sinusoidal backpressure perturbations with different amplitudes and frequencies in a hypersonic inlet equipped with translating cowl, numerical simulations have been conducted with the application… read more here.
Keywords: backpressure; shock train; train; forced oscillation ... See more keywords
Effect of parallel-jet addition on the shock train characteristics in a central-strut isolator by detached eddy simulation
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2017.06.074
Abstract: Abstract For the Rocket-Based Combined-Cycle (RBCC) engine, the addition of primary rocket jets makes both the flow field and the shock train structure more complicated. In this study, a three-dimensional Detached Eddy Simulation (DES) modeling… read more here.
Keywords: central strut; addition; detached eddy; shock train ... See more keywords
A study on characteristics of shock train inside a shock tube
Sign Up to like & getrecommendations! Published in 2017 at "Theoretical and Applied Mechanics Letters"
DOI: 10.1016/j.taml.2017.09.005
Abstract: Abstract Shock tubes are devices which are used in the investigation of high speed and high temperature flow of compressible gas. Inside a shock tube, the interaction between the reflected shock wave and boundary layer… read more here.
Keywords: shock tube; tube; inside shock; shock train ... See more keywords
Instability of shock train behaviour with incident shocks
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2020.702
Abstract: Abstract In a back pressured duct with incident shocks, the shock train exhibits violent oscillations or even a rapid movement when it passes through a shock-wave–boundary-layer interaction (SWBLI) region. In this study, the dynamics of… read more here.
Keywords: incident shocks; shock train; analysis; shock ... See more keywords
On space–time diversity in shock train self-excited oscillation mode during wide-range evolution in a scramjet isolator
Sign Up to like & getrecommendations! Published in 2024 at "AIP Advances"
DOI: 10.1063/5.0234187
Abstract: The shock train self-excited oscillation can induce combustor instabilities and reduce engine margin. In a dual-mode scramjet, the shock train undergoes a complete evolution process, exhibiting structural changes closely tied to this inherent unsteadiness. This… read more here.
Keywords: evolution; oscillation; shock train; shock ... See more keywords
Response of an oblique shock train to downstream periodic pressure perturbations
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/0954410017727028
Abstract: An experimental investigation of the response of an oblique shock train to downstream periodic pressure perturbations was conducted. The oblique shock train is generated in a Mach 2.7 ducted flow and controlled by a downstream… read more here.
Keywords: oblique shock; shock train; pressure; shock ... See more keywords
Numerical investigation of low-frequency shock train oscillations in a divergent isolator with vortex generator jets
Sign Up to like & getrecommendations! Published in 2025 at "PLOS One"
DOI: 10.1371/journal.pone.0328630
Abstract: This study numerically investigates the low-frequency oscillations of shock trains within a two-stage divergent isolator equipped with four vortex generator jets, operating at Mach 3.034 under a constant backpressure of 0.25 MPa. Detailed flow field analysis… read more here.
Keywords: generator jets; shock train; vortex generator; shock ... See more keywords
Response of Shock Train to High-Frequency Fluctuating Backpressure in an Isolator
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Propulsion and Power"
DOI: 10.2514/1.b36291
Abstract: Schlieren images and unsteady pressure measurements were collected to explore the response of a shock train to a high-frequency fluctuating backpressure in an isolator. High-frequency excitations (... read more here.
Keywords: high frequency; frequency fluctuating; frequency; shock train ... See more keywords