Abstract
The increase in energy consumption is observed since the middle of the 20th century. At the same time, the International Energy Agency (IEA) forecasts a 50% increase in energy consumption by 2030. One of the ways to reduce the consumption of such fuels are small additions received from natural gas and renewable energy sources. Mixtures of alcohols with gasoline and diesel oil are produced. Their small additions allow for a certain share of energy from renewable sources without a noticeable change in the combustion characteristics of such fuels. The paper presents the studies on the evaporation of drops of gasoline with a total composition CnHn+2, where n = 5 to 7. Its components are distillation products of crude oil with a low flash point. It is a colourless liquid mixture which main components are: n-heptane, neohexane and cyclopentane. The evaporation characteristics of such a drop with the addition of ethanol are also given. The result of the conducted research is the loss of mass during the drop carried above the surface with temperature above the Leidefrost point.
Highlights
Low price, high power density in a unit, accessibility, availability and well-developed technology decide about common use of fossil fuels
The increase in energy consumption is observed since the middle of the 20th century
One of the key consumers of fossil fuels is transportation, for which in quoted Directive the European Commission has set the share of energy from renewable sources to be no less than 10% in 2020
Summary
Low price, high power density in a unit, accessibility, availability and well-developed technology decide about common use of fossil fuels. In the years 2008-2017 it was 1.7% per year on average, to reach even 2.2% in 2017 [1]. This high consumption is the reason for imposing various restrictions, including legal ones [2]. In order to meet these standards it is required both to develop technologies allowing production of these fuels [3], [4], and to adapt equipment for their combustion [5]. This applies in particular to the ICE engines
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