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International Journal of Automotive Technology 2007;8(4): 413-419. |
| EFFECT OF DI-TERTIARY-BUTYL PEROXIDE ON IGNITION PERFORMANCE IN A COMPRESSION IGNITION NATURAL GAS ENGINE |
| Fangcheng Li, Qingping zheng, Huiming zhang |
| Tianjin University |
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| ABSTRACT |
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Experimental study of additives on the ignition performance of a compression ignition natural gas engine is introduced, followed by results of a simulation of its working mechanism. From the experimental results, it is understood that engine ignition performance can be improved when a certain amount of Di-tertiary-butyl peroxide additive is added. If the mass fraction of Di-tertiary-butyl peroxide additive reaches as high as 14.2%, engine ignition can be realized at ambient temperatures with a glow plug temperature of about 750oC. From the simulation results, we verify that the Di-tertiary-butyl peroxide additive, by cracking its radicals at lower temperature, can accelerate reaction rate. Therefore, the additive is able to improve the ignition performance of natural gas significantly. |
| Key Words:
Natural gas engine; Di-tertiary-butyl peroxide; Ignition performance; Simulation |
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