| 摘要 |
A multi-sac injection includes a main sac located at the center of a nozzle such that an injected fuel formed a low load cone angle to inject a fuel for pre-mixed combustion, and sub-sacs located at sides of the nozzle such that the injected fuel forms a middle/high load cone angle large relative to a low load cone angle to inject a fuel for diffusive combustion. Accordingly, smoke and NOx are significantly reduced in a low load region while maintaining features of a middle/high load region with a single injector.
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