Research on characteristics and effects of combustion performance by amplified ignition energy in CVCC system

Yoon, Tae Jun; Kim, Kwonse; Choi, Dooseuk

doi:10.1007/s12206-018-1149-x

Cited by 4 publications

(1 citation statement)

References 17 publications

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“…We have carried out the research on the reaction progress of thermodynamic combustion based on the arc and jet plasma energies using MEHV [11]. While conducting the experiment, it could be demonstrated that combustion efficiency is improved by the effect of high voltage.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Ignition Effect in Constant Volume Combustion Chamber Based on Matching Effect of High Voltage (MEHV) Method

Kim

Han

2020

Energies

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The characteristics of spark ignition with a constant volume combustion chamber (CVCC) is evaluated for the efficiency of capacitive-assisted ignition (CAI), such as spark kernel and flame growth. The conventional spark method and matching effect of high voltage (MEHV) method are evaluated to compare the spark growth distribution characteristics. To do this study, a plasma system is used and is consisted of input power, three capacitors, a transformer, high voltage cable, J-type of a spark plug, diode, and CVCC. The experiment is conducted under various operating conditions, such as 1 bar, 295 K of initial temperature, 50, 100, 150 V of ignition box, 400 V of MEHV, 0.7 ms of spark duration, and 0 kΩ of plug resistor. The results show that the spark growth at the initial voltages of 100 V and 150 V has the same characteristic, and the surface area is increased by 13 mm2 at 150 V compared to 100 V because capacitance energy stored in three capacitors is efficiently induced by the effect of dielectric breakdown and electron collision. Consequently, the spark growth of MEVH is widely distributed atmospheric more than the conventional spark, and the internal temperature of the spark kernel could be presumed to change the non-thermal plasma to thermal plasma by MEHV.

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Section: Introductionmentioning

confidence: 99%