PyCSP: A Python package for the analysis and simplification of chemically reacting systems based on Computational Singular Perturbation

RM Galassi - Computer Physics Communications, 2022 - Elsevier
PyCSP is a Python package for the analysis and simplification of chemically reacting
systems, using algorithms based on the Computational Singular Perturbation (CSP) theory …

[HTML][HTML] An a priori assessment of the Partially Stirred Reactor (PaSR) model for MILD combustion

S Iavarone, A Péquin, ZX Chen, NAK Doan… - Proceedings of the …, 2021 - Elsevier
Abstract Moderate or Intense Low-oxygen Dilution (MILD) combustion has drawn increasing
attention as it allows to avoid the thermo-chemical conditions prone to the formation of …

Investigation of the turbulent flame structure and topology at different Karlovitz numbers using the tangential stretching rate index

DM Manias, EA Tingas, FEH Pérez, RM Galassi… - Combustion and …, 2019 - Elsevier
Turbulent premixed flames at high Karlovitz numbers exhibit highly complex structures in
different reactive scalar fields to the extent that the definition of the flame front in an …

On the existence and applicability of extremal principles in the theory of irreversible processes: A critical review

I Donskoy - Energies, 2022 - mdpi.com
A brief review of the development of ideas on extremal principles in the theory of heat and
mass transfer processes (including those in reacting media) is given. The extremal …

Multi-stage heat release in lean combustion: Insights from coupled tangential stretching rate (TSR) and computational singular perturbation (CSP) analysis

AS AlRamadan, RM Galassi, PP Ciottoli… - Combustion and …, 2020 - Elsevier
There is a growing interest in leaner burning internal combustion engines as an enabler for
higher thermodynamic efficiency. The extension of knock-limited compression ratio and the …

Automated chemical kinetic mechanism simplification with minimal user expertise

RM Galassi, PP Ciottoli, SM Sarathy, HG Im… - Combustion and …, 2018 - Elsevier
An improved algorithm to generate skeletal mechanisms from the original detailed chemical
kinetic mechanisms is proposed. The new algorithm builds on the computational singular …

Enhancements of the G-scheme framework

M Valorani, PP Ciottoli, R Malpica Galassi… - Flow, Turbulence and …, 2018 - Springer
The G-Scheme is a well established framework for multi-scale adaptive model reduction,
whose effectiveness was demonstrated with reference to a number of test models, together …

Characterization of jet-in-hot-coflow flames using tangential stretching rate

Z Li, RM Galassi, PP Ciottoli, A Parente… - Combustion and …, 2019 - Elsevier
This article presents a numerical study of a jet-in-hot-coflow (JHC) burner which emulates
Moderate or Intense Low-oxygen Dilution (MILD) conditions. Such combustion regime offers …

Computational singular perturbation method and tangential stretching rate analysis of large scale simulations of reactive flows: Feature tracking, time scale …

M Valorani, F Creta, PP Ciottoli… - Data analysis for direct …, 2020 - Springer
This chapter provides a review of the basic ideas at the core of the Computational Singular
Perturbation (CSP) method and the Tangential Stretching Rate (TSR) analysis. It includes a …

Theoretical analysis on the exergy destruction mechanisms and reduction under LTC relevant conditions

D Liu, H Wang, H Liu, Y Zhang, X Zhao, Y Zhao… - Proceedings of the …, 2019 - Elsevier
Low temperature combustion (LTC) is a potential thermodynamic pathway to maximize the
thermal efficiency of internal combustion (IC) engines. However, high exergy loss is also …