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内燃机缸内工作过程循环变动的快速测定方法
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2009-07-18
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介绍了一种快速、简便地确定内燃机缸内工作过程循环变动的方法——瞬时转速法, 阐述了它的原理并给出了应用实例。瞬时转速的测量采用双传感器法, 阐明了其结构及工作原理, 并对其测量精度进行分析。提出了利用瞬时转速确定内燃机循环变动的两种参数。将利用瞬时转速法估计的结果同利用气缸压力确定的结果进行比较, 结果表明, 瞬时转速法确定内燃机的缸内工作过程循环变动是简便、可行的。
叙词: 内燃机 瞬时转速 测定 方法
AbstractA qu ick and simp lem ethod of determ in ing the cyclic variab ility of wo rk ing p rocess in in ternal com bu st ion engines w as in t roduced, that is, t ran sien t speed m ethod, and it s p rincip le and actual app licat ion s w ere described. The t ran sien t speed w asm easu red by dual sen so rsm ethod, of w h ich the st ructu re and con st itu t ion w ere described and the m easu rem en t accu racy w as analyzed. Two k inds of param eters to determ ine the cyclic variab ility w ere given. The resu lt s f rom t ran sien t speed w ere compared w ith tho se f rom cylinder p ressu re, w h ich show ed that it is simp le and feasib le to determ ine the cyclic variab ility of wo rk ing p rocess w ith t ran sien t speed.
Key words In ternal com bu st ion engines, T ran sien t speed, Determ inat ion, M ethods
叙词: 内燃机 瞬时转速 测定 方法
AbstractA qu ick and simp lem ethod of determ in ing the cyclic variab ility of wo rk ing p rocess in in ternal com bu st ion engines w as in t roduced, that is, t ran sien t speed m ethod, and it s p rincip le and actual app licat ion s w ere described. The t ran sien t speed w asm easu red by dual sen so rsm ethod, of w h ich the st ructu re and con st itu t ion w ere described and the m easu rem en t accu racy w as analyzed. Two k inds of param eters to determ ine the cyclic variab ility w ere given. The resu lt s f rom t ran sien t speed w ere compared w ith tho se f rom cylinder p ressu re, w h ich show ed that it is simp le and feasib le to determ ine the cyclic variab ility of wo rk ing p rocess w ith t ran sien t speed.
Key words In ternal com bu st ion engines, T ran sien t speed, Determ inat ion, M ethods
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