Effect of Start of Injection Timing on Waste Heat Recovery Capacity in a Reactivity Controlled Compression Ignition Engine

Document Type : Research Article

Authors

1 صنعتی سهند-مهندسی مکانیک

2 student

3 professor

Abstract

It is noteworthy that about one-third of the input energy to the cylinder of an internal combustion engine becomes useful work and the rest of the energy is lost by various factors. Therefore, providing solutions that can recover waste heat is remarkable and useful. In the current study, the effect of the start of injection timing on the reactivity controlled compression ignition engine on the waste heat recovery capacity has been investigated. After verifying the results, diesel fuel start of injection timing has been changed and their effects on exergy destruction, waste heat recovery capacity, power output and emissions have been investigated. The results showed that the advanced start of injection timing increases engine efficiency and decreases carbon monoxide and unburned hydrocarbons emissions. In addition, heat transfer exergy has increased due to the higher in cylinder temperature, and the higher temperature has led to an increase in irreversibility due to the increased number of reactions. Advanced fuel injection timing has improved utilization.

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References

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Amirkabir Journal of Mechanical Engineering
Volume 53, Issue 1
April 2021
Pages 3-16

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