Abstract
In this study, the ultimate aim is to provide objective scientific proof to promote biodiesel blends in constant areas (official institutions, hospital, school,) as a renewable fuel. For that, biodiesel obtained from animal, vegetable and microalgae oil by a method of transesterification and these biodiesels have been prepared by 10% blended with diesel fuel and has been named respectively as AB10, VB10 and MB10. The biodiesel blends have been compared with reference diesel fuel (ULSD) by taking combustion values in a diesel engine generator system under cold start, loadless and constant engine speed of 1500 rpm. Experimental results showed that using biodiesel blends in diesel engine had almost parallel cylinder gas pressure (CGP), cumulative heat release (CHR), heat release rate (HRR), knock density and mean gas temperature (MGT) compared to ULSD fuel operation in research diesel engine. In addition, CO, NOx and HC emissions decreased, CO2 increased compared to ULSD fuel at same experimental conditions.
Highlights
Continuous depletion of fossil fuels, rising fossil-fuel prices, carbon prices, and the quest for cleaner environment for low carbon fuel these are the reasons why researchers are searching for fossil-fuel alternatives
Under cold start, high idling and unloaded operating conditions, no detailed study has been found in literature on the combustion parameters of AB10, VB10 and MB10 biodiesel blends
The animal oil biodiesel (AB) was derived from beef bone marrow by transesterification for the experimental study at the chemical plant in Istanbul (TR), the vegetable oil biodiesel (VB) produced from safflower/canola oil blend was provided from a commercial facility in Kocaeli (TR), and ultra-low sulfur diesel fuel (ULSD) was purchased in a commercial station in Batman (TR)
Summary
Continuous depletion of fossil fuels, rising fossil-fuel prices, carbon prices, and the quest for cleaner environment for low carbon fuel these are the reasons why researchers are searching for fossil-fuel alternatives. The purpose in this study of used animal biodiesel, vegetable biodiesel and microalgae biodiesel, which blended ultra-low sulfur diesel fuel (ULSD), was to investigate the possibility and usability of 10 percent biodiesel in a diesel engine generator power at cold start and loadless conditions. The European Union's Renewable Energy Directive, which promotes the use of renewable energy, mandates that at least 10% of the energy resources used in the transportation industry will come from renewable energy sources Inspired by this idea; three biodiesel blends and ULSD are evaluated and compared, under cold start and loadless conditions of research engine to identify combustion parameters. Comprehensive experiments have been carried out to evaluate the change in combustion parameters when running the engine with test fuels under cold start, loadless conditions and high idling 1500 rpm in a power generator diesel engine. Under cold start, high idling and unloaded operating conditions, no detailed study has been found in literature on the combustion parameters of AB10, VB10 and MB10 biodiesel blends
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