Improvement of diesel combustion with suppression of mutual fuel spray flame interactions with staggered nozzle hole arrangement and a spatially divided …

H Ogawa, K Mori, T Ishikawa… - … Journal of Engine …, 2023 - journals.sagepub.com
A combination of a fuel injector with staggered nozzle hole arrangement with a combustion
chamber divided into upper and lower layers by placing a lip at the middle of the side wall is …

Influence of spray and combustion processes on piston temperatures and engine heat transfer in a high-output diesel engine

MJ Tess, V Korivi, E Gingrich… - International Journal of …, 2023 - journals.sagepub.com
Simultaneous measurements of global engine heat transfer and subsurface piston
temperatures were utilized to evaluate the potential of an extended duration combustion …

Evaluation of high-temperature martensitic steels for heavy-duty diesel piston applications

E Gingrich, DT Pierce, G Byrd, K Sebeck… - SAE Technical Paper …, 2022 - osti.gov
Five different commercially available high-temperature martensitic steels were evaluated for
use in a heavy-duty diesel engine piston application and compared to existing piston alloys …

Conduction-strain model for heat transfer characterization in internal combustion engines

K Dejima, O Nakabeppu - International Journal of Engine …, 2024 - journals.sagepub.com
Heat transfer between combustion gases and walls is one of the most important phenomena
for internal combustion engines; however, its mechanisms have not yet been elucidated …

[PDF][PDF] Data Reduction Methods to Improve Computation Time for Calibration of Piston Thermal Models

S Wright, A Ravikumar, L Redmond, B Lawler… - 2023 - drive.google.com
Fatigue analysis of pistons is reliant on an accurate representation of the high temperatures
to which they are exposed. It can be difficult to represent this accurately, because …

Characteristics of the transient heat transfer of impinging flames and correlation analysis using a new characteristic velocity under CI engine-like conditions

J Cao, X Zhou, R Chen, S Li, S Kook, T Li - Proceedings of the Combustion …, 2024 - Elsevier
Understanding the transient heat transfer mechanism of impinging flames is a crucial
pathway for further improving the thermal efficiency of already efficient compression ignition …

Numerical Evaluation of Injection Parameters on Transient Heat Flux and Temperature Distribution of a Heavy-Duty Diesel Engine Piston

A Ravikumar, S Wright, L Redmond, E Gingrich… - 2024 - sae.org
A major concern for a high-power density, heavy-duty engine is the durability of its
components, which are subjected to high thermal loads from combustion. The thermal loads …

Benchmarking of Neural Network Methodologies for Piston Thermal Model Calibration

S Wright, A Ravikumar, L Redmond, C McMahan… - 2024 - sae.org
Abstract Design of internal combustion (IC) engine pistons is dependent on accurate
prediction of the temperature field in the component. Experimental temperature …

Thermodynamic Modeling of Military Relevant Diesel Engines with 1-D Finite Element Piston Temperature Estimation

J Gohn, E Gingrich, M Tess, V Korivi, Z Yan… - … International Journal of …, 2023 - sae.org
In military applications, diesel engines are required to achieve high power outputs and
therefore must operate at high loads. This high load operation leads to high piston …