Merits and demerits of ODE modeling of physicochemical systems for numerical simulations

K Yasui - Molecules, 2022 - mdpi.com
In comparison with the first-principles calculations mostly using partial differential equations
(PDEs), numerical simulations with modeling by ordinary differential equations (ODEs) are …

RANS based numerical simulation of a GCH4/GO2 rocket engine combustion chamber with film cooling and improvement of wall heat flux prediction

J Liu, S Zhang, J Wei, OJ Haidn - Applied Thermal Engineering, 2023 - Elsevier
Methane/Oxygen rocket engine is becoming one of the most promising rocket engines today
due to its cost-effectiveness and reusability. In the design process of rocket engines, cooling …

Using graph neural networks for wall modeling in compressible anisothermal flows

D Dupuy, N Odier, C Lapeyre - Data-Centric Engineering, 2024 - cambridge.org
Compressible anisothermal flows, which are commonly found in industrial settings such as
combustion chambers and heat exchangers, are characterized by significant variations in …

Numerical Estimation of Nozzle Throat Heat Flux in Oxygen-Methane Rocket Engines

P Concio, M Tindaro Migliorino, D Bianchi… - Journal of Propulsion …, 2023 - arc.aiaa.org
The prediction of wall heat flux at the nozzle throat is of paramount importance in liquid
rocket engine (LRE) design for both sizing and safety purposes. Computational fluid …

Assessment of an algebraic equilibrium wall-function for supercritical flows

G Indelicato, F Creta - International Journal of Heat and Mass Transfer, 2022 - Elsevier
In this work the application of an algebraic equilibrium wall-function to real-gas flows is
presented and analyzed. The aim is to assess capabilities of existing algebraic wall …

Efficient time-resolved thermal characterization of single and multi-injector rocket combustion chambers

A Remiddi, G Indelicato, PE Lapenna… - Proceedings of the …, 2023 - Elsevier
In this work, an efficient methodology for the time-resolved thermal characterization of rocket
combustion chambers at reasonable computational cost is presented. The multi-scale and …

Modeling of Wall Heat Flux in Oxygen-Methane Liquid Rocket Thrust Chambers

P Concio, MT Migliorino, D Bianchi… - AIAA AVIATION 2022 …, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-3275. vid The prediction of wall
heat flux at the nozzle throat is of paramount importance in liquid rocket engine (LRE) …

Large eddy simulation of liquid-fuel film: sooting-flame interaction in wall bounded turbulent flows

MA Chemak - 2022 - theses.hal.science
The interaction of premixed flame with a liquid fuel film is the main source of soot generation
in Gasoline Direct Injection engines. The objective of this thesis is the detailed modeling with …

Heat transfer modelling and analysis of Oxygen/Methane uncooled and film-cooled liquid rocket engines

P Concio - 2023 - iris.uniroma1.it
The high hot gas temperatures and chamber pressures typical of modern liquid rocket
engines (LREs) yield high local wall heat fluxes which have to be inevitably managed by the …

[PDF][PDF] Reduced chemistry models for the numerical investigation of flow and heat transfer in methane combustion devices

P Breda - 2021 - researchgate.net
Combustion technologies based on hydrocarbons will still play a relevant role in the
longterm scenario, especially in the transportation sector. Numerical tools for the …