[HTML][HTML] Modelling of liquid oxygen and nitrogen injection under flashing conditions

T Lyras, IK Karathanassis, N Kyriazis… - Applied Thermal …, 2024 - Elsevier
The present numerical investigation of two-phase flashing flows examines the injection of
liquid oxygen and liquid nitrogen into near-vacuum conditions prevailing in the upper-stage …

Machine learning accelerated turbulence modeling of transient flashing jets

D Schmidt, R Maulik, K Lyras - Physics of Fluids, 2021 - pubs.aip.org
Modeling the sudden depressurization of superheated liquids through nozzles is a
challenge because the pressure drop causes rapid flash boiling of the liquid. The resulting …

Quantitative visualization of injection jet flow behaviors of transcritical and supercritical processes by pixelated phase-shifting interferometer

D Yang, L Chen, Y Kanda, A Komiya, H Chen - Experimental Thermal and …, 2022 - Elsevier
Precise measurement and visualization of trans-/supercritical jet processes are of great
significance for the control of power engines, chemical reaction and industrial processes …

A semi-supervised framework for analyzing the potential core of a low-density jet

S Park, M Lee - Flow Measurement and Instrumentation, 2024 - Elsevier
The potential core is a region of crucial hydrodynamic importance in a low-density jet. In this
study, we propose a semi-supervised data-driven method for detecting the potential core of …

[HTML][HTML] Numerical simulations of a compact inline gas–liquid separator: A comparison between RANS and a hybrid LES-RANS approach

F Maluta, A Paglianti, G Montante - International Journal of Multiphase Flow, 2024 - Elsevier
Two computational fluid dynamics approaches are adopted to simulate the single-phase
and the gas–liquid flow field generated by a compact inline separator based on the …

Modeling of thermophysical properties and vapor-liquid equilibrium using Gaussian process regression

M Zhou, C Ni, CL Sung, S Ding, X Wang - International Journal of Heat and …, 2024 - Elsevier
Thermophysical properties are essential in the numerical simulation of fluid flows and
combustion in propulsion and power-generation systems. Existing property evaluation tools …

[HTML][HTML] Pressure control method and device innovative design for deep oil in-situ exploration and coring

NH Wu, MZ Gao, LY Zhu, JN Li, D Fan, B You, W Luo… - Petroleum Science, 2023 - Elsevier
Deep oil exploration coring technology cannot accurately maintain the in-situ pressure and
temperature of samples, which leads to a distortion of deep oil and gas resource reserve …

Analysis of fluid-solid-thermal coupling characteristics of axial-symmetric vectoring exhaust nozzle

S Yao, Z Luo, K Wei, YH Sun… - Proceedings of the …, 2022 - journals.sagepub.com
Aiming at the problems of axial-symmetric vectoring exhaust nozzle (AVEN) mechanism due
to its complex structure, which leads to the large amount of digital simulation calculation …

[HTML][HTML] A deep learning computational fluid dynamics solver for simulating liquid hydrogen jets

D Bhatia, J Loukas, A Cabrera, K Lyras - Physics of Fluids, 2024 - pubs.aip.org
Modeling and simulating the sudden depressurization of liquids inside nozzles is a
significant challenge because of the plethora of the associated complex phenomena. This …

Numerical investigation of liquid oxygen filling process in liquid rocket engine by a multi-dimensional co-simulation method

J Liu, G Liu, W Zhou, X He, Q Yang, X Xu - Energy, 2024 - Elsevier
The liquid oxygen filling process in the thermal component downstream of the valve directly
affects the starting performance and working reliability of the liquid rocket engine. The filling …