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The Omnivore Wide-Range Auto-Ignition Engine: Results to Date Using 98RON Unleaded Gasoline and E85 Fuels

机译:Omnivore宽范围自动点火发动机:使用98ron无铅汽油和E85燃料的结果迄今为止

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Omnivore is a single-cylinder spark-ignition-based research engine conceived to maximize the operating range of auto-ignition on a variety of fossil and renewable fuels. In order to maximize auto-ignition operation, the two-stroke cycle was adopted with two independent mechanisms for control. The charge trapping valve system is incorporated as a means of varying the quantity of trapped residuals whilst a variable compression ratio mechanism is included to give independent control over the end of compression temperature. The inclusion of these two technologies allows the benefits of trapped residual gas to be maximized (to minimize NO_x formation) whilst permitting variation of the onset of autoignition. 2000 rpm and idle are the main focus of concern whilst also observing the influence of injector location. This paper describes the rationale behind the engine concept and presents the results achieved at the time of writing using 98 ulg and E85 fuels.
机译:OmniVore是一种基于单缸火花点火的研究发动机,可构建最大化各种化石和可再生燃料的自动点火操作范围。 为了最大化自动点火操作,采用双行程循环,具有两个独立的控制机制。 电荷捕获阀系统被纳入改变捕获的残留量的手段,而包括可变压缩比机构以在压缩温度结束时得到独立控制。 包含这两种技术允许被困的残余气体的益处最大化(以最小化NO_X形成),同时允许自燃开始的变化。 2000 rpm和闲置是关注的主要焦点,同时也观察了注射器位置的影响。 本文介绍了发动机概念背后的理由,并在使用98 ulg和E85燃料时提出了在写作时实现的结果。

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