Abstract
Effect of the proportion of natural gas in the feeding dose on the combustion process in a self-ignition engine with a Common Rail fuel system
Highlights
As well as efforts aimed at controlling the global warming, necessitate the search for new solutions in fuel systems, as well as alternative fuels which can help to limit toxic emissions
Due to the relatively high self-ignition temperature of methane, which is the main component of natural gas (823 K), it can be used in self-ignition engines only with dual fuel systems
For the gas fuel in the engine cylinder to ignite, it is necessary to inject a small amount of liquid fuel, whose selfignition initiates the combustion of gas fuel [4, 5, 10, 15]
Summary
As well as efforts aimed at controlling the global warming, necessitate the search for new solutions in fuel systems, as well as alternative fuels which can help to limit toxic emissions. It must be assumed that with a dual fuel system, an injection of the pilot dose of liquid fuel with a high proportion of natural gas in the fuel dose can cause ignition of gas fuel In consequence, it results in uncontrolled fuel combustion, which can decrease the engine efficiency. The aim of the experiments described below was to determine the effect of the proportion of natural gas in the fuel dose on the course of the combustion process in the self-ignition turbo engine with the CR fuel system programmed for singlefuel operation
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