Advanced combustion in heavy fuel aircraft piston engines: A comprehensive review and future directions

L Shao, Y Zhou, T Geng, S Zhao, K Zhu, Z Zhong… - Fuel, 2024 - Elsevier
The in-cylinder combustion process is a focus on research on heavy fuel aviation piston
engine (HF-APE), which is quite significant because of its strong correction with engine's …

Physics-integrated segmented Gaussian process (SegGP) learning for cost-efficient training of diesel engine control system with low cetane numbers

SR Narayanan, Y Ji, HD Sapra, S Yang… - AIAA SCITECH 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-1283. vid Control model training is
an essential step towards the development of an engine controls system. A robust controls …

Impact of ignition assistant on combustion of cetane 30 and 35 jet-fuel blends in a compression-ignition engine at moderate load and speed

N Miganakallu, J Stafford… - … for Gas Turbines …, 2023 - asmedigitalcollection.asme.org
This study investigates the use of a commercial-off-the-shelf (COTS) ceramic glow-plug to
assist ignition of jet fuel blends with cetane numbers of 30 and 35, below the minimum …

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 …

Numerical modeling and analysis of energy-assisted compression ignition of varying cetane number jet fuels for high-altitude operation

HD Sapra, R Hessel, E Amezcua… - … for Gas Turbines …, 2023 - asmedigitalcollection.asme.org
Computational fluid dynamics (CFD) simulations are performed to study the potential of
energy-assisted compression ignition (EACI) strategy for enabling ignition and enhancing …

A Raman spectroscopy based chemometric approach to predict the derived cetane number of hydrocarbon jet fuels and their mixtures

D Ambre, M Sheyyab, P Lynch, EK Mayhew… - Talanta, 2024 - Elsevier
Fuel ignition quality, measured in the form of Derived Cetane Number (DCN), is an important
part of integrating fuels, including sustainable aviation fuels, in compression ignition …

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 …

Diverse Expected Improvement (DEI): Diverse Bayesian Optimization of Expensive Computer Simulators

JJ Miller, S Mak, B Sun, SR Narayanan, S Yang… - arXiv preprint arXiv …, 2024 - arxiv.org
The optimization of expensive black-box simulators arises in a myriad of modern scientific
and engineering applications. Bayesian optimization provides an appealing solution, by …