Topic
NOx
About: NOx is a research topic. Over the lifetime, 26367 publications have been published within this topic receiving 496555 citations.
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TL;DR: Model simulations of gas-phase reactions and aerosol accumulation resulting from alpha-pinene reactions in the presence of sunlight, ozone (O3), and oxides of nitrogen (NOx) show generally reasonable fits to the experimental data from the perspective of timing and concentrations.
Abstract: A kinetic mechanism was used to link and model the gas-phase reactions and aerosol accumulation resulting from α-pinene reactions in the presence of sunlight, ozone (O3), and oxides of nitrogen (NOx). Reaction products and aerosol formation from the kinetic model were compared to outdoor smog chamber experiments conducted under natural sunlight in the presence of NOx and in the dark in the presence of O3. The gas−particle partitioning of semivolatile organics generated in the gas phase was treated as an equilibrium process between particle absorption and desorption. Models vs experimental aerosol yields illustrate that reasonable predictions of secondary aerosol formation are possible from both dark ozone and light NOx/α-pinene systems over a variety of different outdoor conditions. On average, measured gas- and particle-phase products accounted for ∼54−72% of the reacted α-pinene carbon. Model predictions suggest that organic nitrates account for another ∼25% of the reacted carbon, and most of this is in...
143 citations
143 citations
TL;DR: In this paper, the combustion and emissions of n-butanol/biodiesel dual-fuel injection were investigated on a diesel engine based on experiments and simulations, and three different premixed ratios (rp) were investigated, including 80, 85% and 90%.
143 citations
TL;DR: In this paper, it was shown that adsorbed NO+ reacts with water to form HONO and ammonium nitrate reacts with NO2 to form N2O3.
142 citations
TL;DR: In this article, the performance and emissions of an internal combustion engine (ICE) engine fuelled with two bio-diesels are experimentally measured and analyzed according to ISO 8178 standard and compared with that of the petroleum diesel.
142 citations