State-of-the-art modeling of two-stage auto-ignition: Turbulence, evaporation and chemistry effects
Y Zhang, Q Peng, C Wang, Y Huang, P Zhou… - Energy Conversion and …, 2023 - Elsevier
Internal combustion engines are the dominant power sources in transport, accounting for
significant amounts of fuel consumption and pollutant emissions. Low-temperature …
significant amounts of fuel consumption and pollutant emissions. Low-temperature …
Understanding the ignition mechanism of high-pressure spray flames
RN Dahms, GA Paczko, SA Skeen… - Proceedings of the …, 2017 - Elsevier
A conceptual model for turbulent ignition in high-pressure spray flames is presented. The
model is motivated by first-principles simulations and optical diagnostics applied to the …
model is motivated by first-principles simulations and optical diagnostics applied to the …
A direct numerical simulation of cool-flame affected autoignition in diesel engine-relevant conditions
In diesel engines, combustion is initiated by a two-staged autoignition that includes both low-
and high-temperature chemistry. The location and timing of both stages of autoignition are …
and high-temperature chemistry. The location and timing of both stages of autoignition are …
Importance of turbulence-chemistry interactions at low temperature engine conditions
The role of turbulence-chemistry interaction in autoignition and flame stabilization is
investigated for spray flames at low temperature combustion (LTC) conditions by performing …
investigated for spray flames at low temperature combustion (LTC) conditions by performing …
Characterisation of two-stage ignition in diesel engine-relevant thermochemical conditions using direct numerical simulation
With the goal of providing a more detailed fundamental understanding of ignition processes
in diesel engines, this study reports analysis of a direct numerical simulation (DNS) …
in diesel engines, this study reports analysis of a direct numerical simulation (DNS) …
[HTML][HTML] Direct numerical simulations of auto-igniting mixing layers in ammonia and ammonia-hydrogen combustion under engine-relevant conditions
This study investigated auto-ignition characteristics of ammonia-air and ammonia-hydrogen-
air laminar and turbulent mixing layers by means of direct numerical simulations (DNS) …
air laminar and turbulent mixing layers by means of direct numerical simulations (DNS) …
Two-stage autoignition and edge flames in a high pressure turbulent jet
A three-dimensional direct numerical simulation is conducted for a temporally evolving
planar jet of n-heptane at a pressure of 40 atmospheres and in a coflow of air at 1100 K. At …
planar jet of n-heptane at a pressure of 40 atmospheres and in a coflow of air at 1100 K. At …
Evaluation of an unsteady flamelet progress variable model for autoignition and flame lift-off in diesel jets
An unsteady flamelet progress variable (UFPV) model is evaluated for modeling autoignition
and flame lift-off in diesel jets. Changes in injection pressure, orifice diameter, ambient …
and flame lift-off in diesel jets. Changes in injection pressure, orifice diameter, ambient …
A high-order numerical algorithm for DNS of low-Mach-number reactive flows with detailed chemistry and quasi-spectral accuracy
A novel and efficient algorithm is presented in this paper to deal with DNS of turbulent
reacting flows under the low-Mach-number assumption, with detailed chemistry and a quasi …
reacting flows under the low-Mach-number assumption, with detailed chemistry and a quasi …
Comparative study on chemical kinetic schemes for dual-fuel combustion of n-dodecane/methane blends
The ignition characteristics of dual-fuel mixtures consisting of high-reactivity n-dodecane
and low-reactivity methane are numerically investigated. The performance of five state-of-the …
and low-reactivity methane are numerically investigated. The performance of five state-of-the …