By studying how bubbles form in a drop of biodiesel, researchers can help future engines get the most energy out of the fuel.
By studying how bubbles form in a drop of biodiesel, researchers at the University of Gothenburg can help future engines get the most energy out of the fuel.
In the engine, the fuel droplets are pressurised to turn into gas and burn. When gas is formed, bubbles form inside the droplets and it is these that the researchers at the University of Gothenburg have studied using femtosecond lasers."The bubbles have a significant impact on the atomisation of biodiesel in engines. Therefore, our research is very important to address fundamental questions about the efficiency of the biodiesel engine," says Dr.
"Research on biodiesel is crucial in our transition from fossil fuels to combat climate change. In engines, bubbling affects fuel combustion and contributes to the formation of larger droplets that do not evaporate and burn completely, leading to increased emissions," says Dr. Yogeshwar Nath Mishra.Studying bubble formation in engine injection valves is difficult because of their structure, with narrow channels in metal bodies.
"Bubble formation is important in industries such as chemical engineering for example carbonated drinks, ultrasonic imaging, boiling processes for heat transfer and processes such as gas release from water bodies and cloud formation. But what we have achieved is basic research. There is still a lot of development to be done before it can be used," says Dag Hanstorp.
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