Computational fluid dynamics and Machine learning-based Piston-Bowl optimization for Energy-Assisted compression ignition of low cetane number sustainable …

H Sapra, R Hessel, N Miganakallu, J Stafford… - Energy Conversion and …, 2024 - Elsevier
Hybrid-electric powertrains have been gaining tremendous interest to propel unmanned
aerial vehicles (UAVs) for Advanced Air Mobility. Present UAV powertrains are designed …

Ignition sensitivity analysis for energy-assisted compression-ignition operation on jet fuels with varying cetane number

ER Amezcua, K Kim, D Rothamer, CB Kweon - SAE International Journal of …, 2022 - sae.org
Local deposition of thermal energy can be used to assist the combustion process of low
cetane number (CN) fuels in compression-ignition engines, here termed energy-assisted …

Combined impacts of engine speed and fuel reactivity on energy-assisted compression-ignition operation with sustainable aviation fuels

J Stafford, E Amezcua, NM Narasimhamurthy, K Kim… - 2023 - sae.org
The combined impacts of engine speed and fuel reactivity on energy-assisted compression-
ignition (EACI) combustion using a commercial off-the-shelf (COTS) ceramic glow plug for …

Optical engine investigation of two-injection strategies for energy-assisted compression-ignition combustion of low cetane number sustainable aviation fuels

ER Amezcua, K Kim, CBM Kweon… - … Journal of Engine …, 2024 - journals.sagepub.com
A two-injection strategy was investigated for energy-assisted compression-ignition
combustion using hot surface ignition of low-cetane number sustainable aviation fuels in an …

Data-driven real-time fuel cetane estimation and control design for multifuel UAVs

A Pal, A Cornelius, Z Sun, K Kim, CBM Kweon - Applied Energy, 2024 - Elsevier
Multifuel compression ignition (CI) engines have been proven to be useful for the aviation
industry, especially for powering unmanned aerial vehicles (UAVs). To operate multifuel …

Effects of fuel blending on first stage and overall ignition processes

EK Mayhew, CM Mitsingas, VD Coburn… - Proceedings of the …, 2021 - Elsevier
The effects of blending ratio on mixtures of an alcohol-to-jet (ATJ) fuel and a conventional
petroleum-derived fuel on first stage ignition and overall ignition delay are examined at …

Predicting Leidenfrost Temperature and Effects of Impact Conditions on Droplet Size Distribution in Film-Boiling Regime

MFF Patwary, D Isik, SC Kong… - Journal of Fluids …, 2025 - asmedigitalcollection.asme.org
The interaction of a droplet with a solid wall is relevant in various engineering applications.
The properties of the resulting secondary droplets are determined by the wall temperature …

Characterizing Drop-Wall Interactions of Engine Fuels at Engine-Relevant Conditions Using Smoothed Particle Hydrodynamics

MFF Patwary, D Isik, SC Kong… - … for Gas Turbines …, 2024 - asmedigitalcollection.asme.org
In an internal combustion engine, interactions of fuel droplets and heated walls can
significantly affect the combustion process and engine performance. The formation and …

Bi-Fidelity Neural Network Model for Multi-fuel Capable Internal Combustion Engines

PK Pavalavanni, SR Narayanan, Z Sun… - AIAA SCITECH 2025 …, 2025 - arc.aiaa.org
Energy Assisted Compression Ignition (EACI) has garnered significant attention in recent
years due to its potential applications in aviation propulsion. To enhance combustion and …

Local-Transfer Gaussian Process (LTGP) Learning for Multi-Fuel Capable Engines

SR Narayanan, Z Sun, S Yang, JJ Miller… - AIAA SCITECH 2025 …, 2025 - arc.aiaa.org
Data-driven engine surrogate models have been widely used to emulate in-cylinder trends
of pressure and heat release rate for a wide variety of applications. For example, engines …