spark ignition engine specifications
A single-cylinder high-compression-ratio engine with the specifications was shown in Table 1. The tested engine was designed so as to enhance thermal efficiency under lean conditions around an excess air …
Spark plug discharged energy analysis
To estimate the actual electric energy consumed of spark plug in the cylinder, the resistance of the ignition system was considered. The equivalent circuit of spark plug used in the …
Heat-release analysis
To discuss the combustion speed, heat release was estimated from the in-cylinder pressure waveform. First, the heat-release rate was calculated by Eq. using combustion analysis software (Ono Sokki, DS0328). And …
Lean burn: Seven detailed aspects
The lean combustion concept has several advantages for the thermal efficiency enhancement of internal combustion (IC) engines: (1) the reduction of pumping loss resulting from throttle opening, (2) the reduction …
RCM experimental setup
Lots of experiments can be conducted on a RCM platform. This post aims to gather the schematic of the experimental setups. Briefly, the RCM has a stroke of 500 mm and …
Super-knock suppression RCM experiments
The research of normal combustion, knock and super-knock in highly boosted gasoline engine could be conducted on a RCM platform associated with optical methods to obtain the pressure traces and …