On the influence of non equilibrium in the free stream conditions of high enthalpy oxygen flows around a double-cone

D Ninni, F Bonelli, G Colonna, G Pascazio - Acta Astronautica, 2022 - Elsevier
This work presents a detailed analysis of the shock wave/boundary layer interaction in
hypersonic flows around a double-cone. Numerical simulations have been carried out by …

Temporal characteristics of hypersonic flows over a double wedge with Reynolds number

O Tumuklu, KM Hanquist - Physics of Fluids, 2023 - pubs.aip.org
Laminar hypersonic flows at Mach 7.10 with unit Reynolds numbers of 5.2× 10 4, 1.04× 10
5⁠, and 4.14× 10 5 m− 1 over a 30/55 double-wedge configuration were studied to …

Transpiration-induced convective heat transfer in ternary hybrid nanofluid flow due to dual stretching on wedge: Reverse flow analysis

K Sharma, R Jindal - Numerical Heat Transfer, Part A: Applications, 2024 - Taylor & Francis
Boundary layer separation is a common challenge in fluid dynamics, where flow separates
from a surface due to adverse pressure gradients. Transpiration, the injection or suction of …

[HTML][HTML] High-speed planar laser-induced fluorescence investigation of nitric oxide generated by hypersonic Mach reflections for computational fluid dynamics …

BS Leonov, TS Dean, CM Limbach, RD Bowersox… - Physics of …, 2023 - pubs.aip.org
In this article, the authors present an experimental investigation of the thermochemical
relaxation regions downstream of symmetric Mach reflections generated in Mach 8.5 flows …

[HTML][HTML] Characterization of nonequilibrium shock interaction in CO2-N2 flows over double-wedges with respect to Mach number and geometry

C Garbacz, F Morgado, M Fossati - Physics of Fluids, 2023 - pubs.aip.org
The characterization of the shock interaction mechanism originating from the high-Mach
nonequilibrium flow over double-wedge geometries is key to the design of hypersonic …

Three issues on nozzle thrust performance in cold-to-hot correlation considering variable specific heat effect

K Chen, J Xu, Q Qin, G Song - Physics of Fluids, 2022 - pubs.aip.org
A high-temperature effect is crucial in cold-to-hot correlation for thrust nozzles to employ
experimental data of cold flow to predict the real flight performance of hot gas. The high …

Study on aerodynamic loads at the inlet's cowl lip induced by multiple shock-shock interferences

M Lin, F Yang, Z Hu, G Han - Acta Mechanica Sinica, 2024 - Springer
As a classic aerodynamic phenomenon, shock-shock interferences (SSI)[1-6] widely present
in high-speed vehicles' internal and external flow fields. This phenomenon has received …

Shock stand-off distances over sharp wedges for thermally non-equilibrium dissociating nitrogen flows

U Yildiz, D Vatansever, B Celik - Theoretical and Computational Fluid …, 2023 - Springer
In this study, shock stand-off distances for thermally and chemically non-equilibrium flows of
nitrogen over wedges are computationally investigated via a hypersonic computational fluid …

High temperature effects in hypersonic double-wedge flow simulations

P Thirunavukkarasu, S Ghosh - Physics of Fluids, 2023 - pubs.aip.org
Numerical simulations of inviscid hypersonic flow over a double-wedge geometry are
conducted. High temperature effects are studied using a local thermodynamic equilibrium …

Grid-Characteristic Method for Calculation of Discontinuous Non-Steady Flows of a Multicomponent Reacting Gas in Channels

V Gidaspov, N Severina - Fluids, 2023 - mdpi.com
This paper is devoted to the description of computational algorithms for modeling quasi-one-
dimensional non-steady flows of a multicomponent reacting gas. The particularity of the …