Special Issue on Cyclical Variations in Internal Combustion Engines
The issue will focus on the topic of cycle-to-cycle variations (CCV) in internal combustion engines. This topic remains highly relevant as CCV is a major obstacle in optimizing efficiency, performance, and pollutant emissions. In the context of both new combustion modes, such as those involving homogeneous lean mixtures or high exhaust gas recirculation rates, and new fuels, it remains important to understand the causes of CCV in detail and to predict them with appropriate tools.
We therefore invite contributions on theoretical, modeling, and experimental studies focusing on the flow field, scalar fields, and related topics, from the intake through the combustion phase to the exhaust phase, using relevant simulation techniques in one to three dimensions or in situ and ex situ diagnostics. Examples of relevant topics for the theme issue related to CCV are:
- Intake and exhaust flows
- Mixture formation
- Flame propagation
- Exhaust gas recirculation
- New diagnostic techniques suitable for identifying and analyzing CCV
- Simulation approaches to track and explain CCV
- Post-processing and decomposition techniques to analyze and explain CCV
- Cycle-resolved emission measurements
- Transfer of methods for CCV analysis, diagnostics and modeling to other flow systems
Opening date: August 2021
Closing date: February 2022
Guest Editor: Benjamin Böhm, Institute for Reactive Flows and Diagnostics, Darmstadt University of Technology, Germany
Guest Editor biography:
Dr. Benjamin Böhm; Senior Researcher and Group Leader of the Applied Thermochemical Energy Converters (ATEC) Research Group, Institute for Reactive Flows and Diagnostics, Darmstadt University of Technology, Germany.
He is interested in the development and application of laser-based diagnostics used in thermochemical conversion processes. Typical applications are internal combustion engines, gas turbines and power plant processes with a focus on turbulence-chemistry interactions, experimental data for validation of numerical simulations, pollutant formation, new fuels for CO2-free combustion and near-wall reactive flows.
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