The effect of CNTs on physicochemical properties of yellow oleander biodiesel-diesel fuel blends.

Autor: Rao, Bikkavolu Joga, Pullagura, Gandhi, Vadapalli, Srinivas, Chebattina, Kodanda Rama Rao
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Zdroj: AIP Conference Proceedings; 2023, Vol. 2943 Issue 1, p1-18, 18p
Abstrakt: Several studies are presently being carried out to decrease reliance on petroleum fuels. Many countries, including India, have investigated and tested biofuels like ethanol and biodiesel in diesel engines. One strategy to decrease fossil fuel usage is to blend biodiesel with fossil diesel. In the current study, Yellow Oleander Methyl Ester (YOME) is used as an alternative fuel blended with diesel. The present research intends to analyze the physicochemical characteristics of a biodiesel mixed diesel sample with and without CNTs (Carbon nanotubes) nanoparticles as an additive to regular diesel fuel. Carbonnanotubes (CNTs) are mixed with YOME20 (20% of yellow oleander methyl ester in 80% of diesel) at quantities of 25, 50, and 75 ppm. Fuel characteristics such as Kinematic viscosity, Density, Calorific value, Cetane index, Flash point, Fire point, and Cold flow properties (such as Cloud and Pour point) were measured and found to be within ASTM standard limits and equivalent to diesel fuel. Nevertheless, the Kinematic viscosity and Density of the YOME20CNTs50 ppm (CNTs additive with 50 ppm concentration is blended in YOME20) is quite comparable to standard diesel. The highest Calorific value and Cetane index for the YOME20CNTs50 ppm mix were 43.43 MJ/kg and 64, respectively. Whereas all nano fuels were improved in terms of other characteristics such as Flash point, Fire point, and Cold flow properties. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index