Combustion in the future: The importance of chemistry.

Combustion in the future: The importance of chemistry.

Kohse-Höinghaus, Katharina;
proceedings of the combustion institute international symposium on combustion 2020
227
kohsehoinghaus2020combustionproceedings

Abstract

Combustion involves chemical reactions that are often highly exothermic. Combustion systems utilize the energy of chemical compounds released during this reactive process for transportation, to generate electric power, or to provide heat for various applications. Chemistry and combustion are interlinked in several ways. The outcome of a combustion process in terms of its energy and material balance, regarding the delivery of useful work as well as the generation of harmful emissions, depends sensitively on the molecular nature of the respective fuel. The design of efficient, low-emission combustion processes in compliance with air quality and climate goals suggests a closer inspection of the molecular properties and reactions of conventional, bio-derived, and synthetic fuels. Information about flammability, reaction intensity, and potentially hazardous combustion by-products is important also for safety considerations. Moreover, some of the compounds that serve as fuels can assume important roles in chemical energy storage and conversion. Combustion processes can furthermore be used to synthesize materials with attractive properties. A systematic understanding of the combustion behavior thus demands chemical knowledge. Desirable information includes properties of the thermodynamic states before and after the combustion reactions and relevant details about the dynamic processes that occur during the reactive transformations from the fuel and oxidizer to the products under the given boundary conditions. Combustion systems can be described, tailored, and improved by taking chemical knowledge into account. Combining theory, experiment, model development, simulation, and a systematic analysis of uncertainties enables qualitative or even quantitative predictions for many combustion situations of practical relevance. This article can highlight only a few of the numerous investigations on chemical processes for combustion and combustion-related science and applications, with a main focus on gas-phase reaction systems. It attempts to provide a snapshot of recent progress and a guide to exciting opportunities that drive such research beyond fossil combustion.

Keywords

energy emissions biofuels combustion reaction mechanisms energy conversion fuels 2m2b, 2-methyl-2-butene afm, atomic force microscopy als, advanced light source apci, atmospheric pressure chemical ionization aras, atomic resonance absorption spectroscopy atct, active thermochemical tables bc, black carbon bev, battery electric vehicle btl, biomass-to-liquid ca, crank angle ccs, carbon capture and storage ceas, cavity-enhanced absorption spectroscopy cfd, computational fluid dynamics ci, compression ignition crds, cavity ring-down spectroscopy ctl, coal-to-liquid combustion chemistry combustion diagnostics combustion kinetics combustion modeling combustion synthesis dbe, di-n-butyl ether dcn, derived cetane number dee, diethyl ether dft, density functional theory dfwm, degenerate four-wave mixing dmc, dimethyl carbonate dme, dimethyl ether dmm, dimethoxy methane drifts, diffuse reflectance infrared fourier transform spectroscopy egr, exhaust gas recirculation ei, electron ionization fc, fuel cell fcev, fuel cell electric vehicle fret, fluorescence resonance energy transfer ft, fischer-tropsch ftir, fourier-transform infrared gc, gas chromatography ghg, greenhouse gas gtl, gas-to-liquid gw, global warming hab, height above the burner haca, hydrogen abstraction acetylene addition hcci, homogeneous charge compression ignition hfo, heavy fuel oil hrtem, high-resolution transmission electron microscopy ic, internal combustion icev, internal combustion engine vehicle ie, ionization energy ipcc, intergovernmental panel on climate change ir, infrared jsr, jet-stirred reactor kde, kernel density estimation khp, ketohydroperoxide lca, lifecycle analysis lh2, liquid hydrogen lif, laser-induced fluorescence ligs, laser-induced grating spectroscopy lii, laser-induced incandescence lng, liquefied natural gas lohc, liquid organic hydrogen carrier lt, low-temperature ltc, low-temperature combustion mbms, molecular-beam ms mdo, marine diesel oil ms, mass spectrometry mto, methanol-to-olefins mvk, methyl vinyl ketone nox, nitrogen oxides ntc, negative temperature coefficient ome, oxymethylene ether otms, orbitrap ms pact, predictive automated computational thermochemistry pah, polycyclic aromatic hydrocarbon pdf, probability density function pem, polymer electrolyte membrane pepico, photoelectron photoion coincidence pes, photoelectron spectrum/spectra pfr, plug-flow reactor pi, photoionization pie, photoionization efficiency piv, particle imaging velocimetry plif, planar laser-induced fluorescence pm, particulate matter pm10 pm2,5, sampled fractions with sizes up to ∼10 and ∼2,5 µm prf, primary reference fuel qcl, quantum cascade laser rcci, reactivity-controlled compression ignition rcm, rapid compression machine rempi, resonance-enhanced multi-photon ionization rmg, reaction mechanism generator ron, research octane number si, spark ignition sims, secondary ion mass spectrometry sng, synthetic natural gas snr, signal-to-noise ratio soa, secondary organic aerosol soec, solid-oxide electrolysis cell sofc, solid-oxide fuel cell sox, sulfur oxides stm, scanning tunneling microscopy svo, straight vegetable oil synthetic fuels tdlas, tunable diode laser absorption spectroscopy tof-ms, time-of-flight ms tpes, threshold photoelectron spectrum/spectra tprf, toluene primary reference fuel tsi, threshold sooting index tire-lii, time-resolved lii ufp, ultrafine particle voc, volatile organic compound vuv, vacuum ultraviolet wltp, worldwide harmonized light vehicle test procedure xas, x-ray absorption spectroscopy ysi, yield sooting index

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181752
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10.1016/j.proci.2020.06.375
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