In spite of recent attentions to renewable sources of energy, liquid hydrocarbon fuel is still the main source of energy for transportation systems. Manufactures and consumers are consistently looking for ways to optimize the efficiency of fuel combustion in terms of cost, emissions and consumer safety. Recent experimental research has shown that the addition of long chain polymers to hydrocarbon fuel imparts non-Newtonian characteristics to the fuel which results in suppressed splashing behavior upon spilling over a surface. However, the combustion characteristic of these polymer added fuel (PAF) have not been investigated yet. In this study, combustion of stationary fuel droplets of n-Decane and n-Dodecane doped with different percentages of a long chain polymer (Polybutadiene) was examined and compared with the normal hydrocarbon behavior. In contrast with hydrocarbon droplets with no polymer addition, several zones of combustion including a slow and steady burning zone, a strong swelling zone and a final fast and fairly steady combustion zone were also detected. In addition, increasing polymer percentage resulted in a more extended swelling zone and shorter slow burning zone in addition to a shorter total burning time.
Experimental Study of Combustion of Polymer Added n-Decane and n-Dodecane Droplets
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Ghamari, M, & Ratner, A. "Experimental Study of Combustion of Polymer Added n-Decane and n-Dodecane Droplets." Proceedings of the ASME 2015 International Mechanical Engineering Congress and Exposition. Volume 8A: Heat Transfer and Thermal Engineering. Houston, Texas, USA. November 13–19, 2015. V08AT10A059. ASME. https://doi.org/10.1115/IMECE2015-52233
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