Experimental and simulation investigation of effect of biodiesel‐diesel blend on performance, combustion, and emission characteristics of a diesel engine

Abstract

In order to reduce the harmful effect on the environment, using the oxygenated fuels such as biofuel blends as fuel has been on the spotlights for the internal combustion engines. For this rationale; the diesel engine operated with blends of sunflower biodiesel and diesel fuel (blending of 0%, 10%, 20%, and 100% biodiesel fuel with conventional diesel fuel). In this study, an experimental and numerical model for Heat release rate (HRR) and the characteristic performance of diesel engine such as cylinder pressure and emission characteristics (NOx, CO, and HC) in internal combustion engines is presented. To ensure the integrity of modeling, the results were compared with the experimental results. This comparison indicated a good agreement between the two. A Gaussian and Fourier series of second order was used to define a function relating the pressure and emission characteristics. Presented numerical model, implemented in proprietary software AVL FIRE, is able to capture chemical phenomena and to predict pollutant emission concentration trends. © 2017 American Institute of Chemical Engineers Environ Prog, 37: 1540–1550, 2018

Effects of phenolic antioxidants on biodiesel oxidative stability and emission

“…The automatic oxidation is dominant in the oxidation of biodiesel, while the photosensitive oxidation reaction only plays a key role in the inducing oxidation period. Oxygen molecules can be divided into the ground state oxygen, 3 O 2 , and excited state oxygen, 1 O 2 . In the photosensitive oxidation reaction, the initiator excites 3 O 2 to 1 O 2 .…”

“…In 2018, Shanghai gas station could provide >30,000 tons of biodiesel made from waste cooking oils [2]. The molecular structure of biodiesel is RC (=O) OCH 3 , in which R represents alkyl or alkenyl. The length of carbon chains in biodiesel molecular is [17][18][19], and the molecular weight of biodiesel is very close to that of diesel.…”

“…Molecular biodiesel contains oxygen-containing functional groups. The oxygen content of molecular biodiesel accounts for approximately 10% of the total molecular mass, and the oxygen can promote the combustion in diesel engine [3]. Moreover, biodiesel does not contain polycyclic aromatic hydrocarbons (PAHs) and branched chains, therefore, it is prone to oxidation.…”

Experimental investigation of effects of magnetic field on performance, combustion, and emission characteristics of a spark ignition engine

“…Today, the development of power units with low environmental impact has become one of the most exciting challenges in automotive technology . In fact, advanced combustion strategies about the internal combustion engines (ICEs) are the most challenging approaches to reach better fuel economy and lower exhaust emissions .…”

“…Today, the development of power units with low environmental impact has become one of the most exciting challenges in automotive technology. 1 In fact, advanced combustion strategies about the internal combustion engines (ICEs) are the most challenging approaches to reach better fuel economy and lower exhaust emissions. 2,3 In recent decades, ecological concerns along with the rapid reduction of fossil fuel reserves have prompted many countries to pass legislation aimed at reducing vehicle pollution and consumption.…”