Experimental study of spray characteristics of diesel/hydrogenated catalytic biodiesel blended fuels under inert and reacting conditions

He, Zhixia; Pachiannan, Tamilselvan; Wang, Qian; Feng, Hongqing; Xiong, Yu

doi:10.1016/j.energy.2018.04.045

Cited by 46 publications

(8 citation statements)

References 36 publications

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“…However, there is no significant study on fundamental studies, which can provide adequate information on flame structures and spray flame interactions in WCO. Fundamental study using the constant volume vessel by [17] focused on ignition, flame lift-off length and emission of diesel fuel blended with hydrogenated catalytic biodiesel from WCO. While the flame structures of the blends and pure WCO in terms of OH* chemiluminescence were reported in [17], spray flame interactions were not investigated.…”

Section: Introductionmentioning

confidence: 99%

Spray combustion simulation study of waste cooking oil biodiesel and diesel under direct injection diesel engine conditions

Kuti

Sarathy

Nishida³

2020

Fuel

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Section: Introductionmentioning

confidence: 99%

Spray combustion simulation study of waste cooking oil biodiesel and diesel under direct injection diesel engine conditions

Kuti

Sarathy

Nishida³

2020

Fuel

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“…The European transportation fleet consists mainly of diesel-using means of transportation (cargo trucks, buses, inland ships, construction site and agricultural machinery, trains and a portion of passenger cars) that use EN 590 diesel fuel with only 5-10% of FAME (depending on the country) [15,16]. Engine and vehicle producers are in negotiations with EU pollution control and prevention organizations about the increase of bioshare in fossil fuels [17,18], and they have strong opinions about what the reasons are for the slowing speed of this "bioprocess".…”

Section: Introductionmentioning

confidence: 99%

Research on the Combustion, Energy and Emission Parameters of Various Concentration Blends of Hydrotreated Vegetable Oil Biofuel and Diesel Fuel in a Compression-Ignition Engine

et al. 2019

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This article presents our research results on the physical-chemical and direct injection diesel engine performance parameters when fueled by pure diesel fuel and retail hydrotreated vegetable oil (HVO). This fuel is called NexBTL by NESTE, and this renewable fuel blends with a diesel fuel known as Pro Diesel. A wide range of pure diesel fuel and NexBTL100 blends have been tested and analyzed: pure diesel fuel, pure NexBTL, NexBTL10, NexBTL20, NexBTL30, NexBTL40, NexBTL50, NexBTL70 and NexBTL85. The energy, pollution and in-cylinder parameters were analyzed under medium engine speed (n = 2000 and n = 2500 rpm) and brake torque load regimes (30–120 Nm). AVL BOOST software was used to analyze the heat release characteristics. The analysis of brake specific fuel consumption showed controversial results due to the lower density of NexBTL. The mass fuel consumption decreased by up to 4%, and the volumetric consumption increased by up to approximately 6%. At the same time, the brake thermal efficiency mainly increased by approximately 0.5–1.4%. CO, CO2, NOx, HC and SM were analyzed, and the change in CO was negligible when increasing NexBTL in the fuel blend. Higher SM reduction was achieved while increasing the percentage of NexBTL in the blends.

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“…Previous research has revealed that the spray quality of biodiesel is inferior to diesel owing to its higher density, kinematic viscosity, and surface tension. [8][9][10][11][12] Furthermore, quality of fuel atomization greatly influences the combustion characteristics and pollutant emissions of a diesel engine. Homogeneous air-fuel mixture can decrease the particulate matter (PM) emissions and increase the combustion efficiency of a diesel engine.…”

Section: Introductionmentioning

confidence: 99%

Numerical simulation of the influence of fuel temperature and injection parameters on biodiesel spray characteristics

Geng

Wang

et al. 2019

Energy Science & Engineering

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The purpose of this study is to investigate the effects of fuel temperature and nozzle length‐diameter ratio (L/D) on biodiesel spray characteristics, under high injection pressure and high ambient pressure, by numerical method. The analysis of spray characteristics is carried out in conjunction with the transient flow inside nozzle. To achieve this, three‐dimensional calculation grids of spray nozzle and spray domain were setup, and the needle movement was achieved by dynamic mesh technique. The reliability of spray models was validated by experimental results. It was established that the variation in spray tip penetration (STP) and Sauter mean diameter (SMD) is similar at different initial conditions. The STP increases at a faster rate initially and then slows down, whereas the SMD gradually decreases with time after the injection. In addition, a sensitivity analysis of the effects of injection parameters on biodiesel spray characteristics was conducted. Compared to the nozzle L/D, injection pressure and fuel temperature have a greater impact on biodiesel spray characteristics. The increase in injection pressure has a significant effect on the velocity distribution, STP and SMD. When the injection pressure is increased from 100 to 200 MPa, the maximum velocity of the spray core zone increases by 33.96%, the STP increases by 27.17%, and the SMD reduces by 14.81%. Furthermore, an increase in fuel temperature mainly affects the concentration distribution and the SMD of atomized droplets. When the fuel temperature is increased from 300 to 350 K, the maximum concentration of axial spray center lowers by 25.41%, and the SMD decreases by 17.19%. However, the increase of L/D chiefly impacts the concentration of axial spray center, but has little effect on other spray parameters. When the nozzle L/D is increased from 4 to 8, the maximum concentration of axial spray center increases by 20.29%.

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Experimental study of spray characteristics of diesel/hydrogenated catalytic biodiesel blended fuels under inert and reacting conditions

Cited by 46 publications

References 36 publications

Spray combustion simulation study of waste cooking oil biodiesel and diesel under direct injection diesel engine conditions

Spray combustion simulation study of waste cooking oil biodiesel and diesel under direct injection diesel engine conditions

Research on the Combustion, Energy and Emission Parameters of Various Concentration Blends of Hydrotreated Vegetable Oil Biofuel and Diesel Fuel in a Compression-Ignition Engine

Numerical simulation of the influence of fuel temperature and injection parameters on biodiesel spray characteristics

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