Showing papers in "Progress in Energy and Combustion Science in 2021"

TL;DR: A comprehensive review of the progress in biomass torrefaction technologies is provided in this article, where the authors perform an in-depth literature survey and identify a current trend in practical tor-refaction development and environmental performance.

TL;DR: In this article, an improved deterministic kinetic model for the dominating reaction families of solid plastic waste (SPW) was proposed to identify the leading recycling technologies, minimizing the global warming potential in an industrial context.

TL;DR: This paper is devoted to thoroughly reviewing and critically discussing various ML technology applications, with a particular focus on ANN, to solve function approximation, optimization, monitoring, and control problems in biodiesel research.

TL;DR: In this paper, a review of state-of-the-art experimental methods for co-pyrolysis investigation are reviewed in detail using TGA, pyrolyzer, fixed bed, fluidized bed reactor, microwave, and multi-step reactors using GC, MS, and FTIR diagnostics.

TL;DR: In this paper, the importance of different forces in nanofluid flows that exist in particulate flows such as drag, lift (Magnus and Saffman), Brownian, thermophoretic, Van der Waals, electrostatic double layer forces are considered.

TL;DR: In this paper, the potential of fuel candidates to increase efficiency in spark-ignition (SI) engines is quantified in a way that allows the individual fuel properties to be traded off for one another.

TL;DR: In this article, a corrugated-wall dual-type membrane reactor is proposed as an emerging alternative for CO2 hydrogenation to value-added products, with key pathways that dictate catalyst activity and selectivity of the most promising materials described.

TL;DR: This review is selective, rather than comprehensive, out of necessity, and discusses in this review all these topics in some detail with an emphasis on issues and methods that have emerged in the last 20 years or so.

TL;DR: A snapshot of recent advances in lithium plating research in terms of mechanism, detection, and mitigation is provided to fill this gap and incentivize more innovative thoughts and techniques.

TL;DR: In this paper, the authors highlight the unique potentials of nanomaterials and their activities in diesel engines to achieve lower harmful diesel emissions and better engine performance, and discuss technical challenges that will need to be addressed and resolved to assure practical viability of nanOMaterials acting as fuel additives.

TL;DR: In this paper, the authors present recent advances and research outcomes on the development of polymer electrolyte membranes as well as their applications in flow batteries, particularly all-vanadium redox flow batteries.

TL;DR: A review of low-temperature oxidation of biofuels can be found in this article, where the authors provide a historical account of research on lowtemperature oxidations of bio fuels, including initiation reactions, peroxy radical reactions, Q ˙ OOH-mediated reaction mechanisms, and chain-branching chemistry.

TL;DR: In this article, the authors reviewed recent advances in the field of PIM-based membranes and discussed polymer synthesis strategies to modify PIM structures such that the resulting membranes have improved CO2 separation performance and lower physical aging.

TL;DR: The purpose of this review is to introduce the reader to the current state-of-the art of solid oxide analysis techniques, in a tutorial fashion, not only numerical and but also experimental, and to emphasise the cross-linkages between techniques.

TL;DR: In this article, the authors review the ongoing development of selective catalytic reduction (SCR) systems with focus on the efficient evaporation and decomposition of the injected spray for a homogeneous ammonia distribution in front of the SCR catalyst.

TL;DR: In this paper, the authors provide a comprehensive overview on an emergent class of high-temperature electrochemical CO2 transport membranes that can capture and convert CO2 into valuable chemicals in single catalytic reactor fashion.

TL;DR: In this article, a transcritical interface is formed between the propellant streams that persists downstream of the injection orifice over distances of the same order as the characteristic thermal-entrance length of the fuel stream.

TL;DR: In this paper, a review of the recent advances in using carbon extracted from various biomass sources in rechargeable Li-, Na-, and K-ion batteries is presented, and an overview of the physicochemical properties, structural alignment and morphological variation of the extracted carbon can affect the storage mechanism and electrochemical performance.

TL;DR: In this paper, the authors present a review of the current knowledge and understanding of premixed flames at highly turbulent conditions, including the effects of turbulence on the flame and of the flame on turbulence.

TL;DR: In this paper, a uniform evaluation standard, thermodynamic perfection, was proposed based on the benchmark of the heat source based ideal thermodynamic cycle (H-iCycle), which is determined by achieving ideal thermal matching to external boundary conditions.

TL;DR: The current state of modeling is reviewed in this paper and the need for further improvements of both individual models and their respective coupling is addressed.

TL;DR: A review of recent research relating to biomass combustion in the raceway region is presented in this paper, with a focus on the application of the research findings to optimise BF practice, including in-furnace phenomena understanding, operation optimisation, and facility design.

TL;DR: It is concluded that the main sluggish activation mechanisms for state-of-the-art CCMs are the removal of solvents from production and changes in the catalyst layer ionomer and at the membrane surface.

TL;DR: In this paper, a critical, wide-ranging and updated review of TPO's engine applications is presented, aiming to answer the governing research questions related to TPO production and quality, post-processing and quality improvement and its final end-use engine validation.

TL;DR: In this article, the authors discuss the issues that arise from changing fuel properties for an existing population of end-use equipment and propose methods for characterizing the properties of the fuel and identifying the combustion challenges that must be addressed for a successful transition from the current fuel mix to whatever the future mix may be.

TL;DR: In this article, the effects of turbulence-chemistry, spray-turbulence, and spraychemistry interactions on the spray process, ignition, flame stabilization and emission are comprehensively discussed at elevated pressures and temperatures.

TL;DR: Data-poor problems are focused on, where the cost of generating data is extremely high and is not easily amenable to existing computational and experimental approaches when related to extreme events that can lead to catastrophic failure of the system.

TL;DR: In this article, the role of the reaction network initialized by the reaction CH+N2 ⇌ NCN+H is examined by modeling measured flame profiles of NCN, HCN, and NO.