Effect of Ignition Energy on Laminar Burning of Natural Gas-Air Premixed Mixture

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Effect of Ignition Energy on Laminar Burning of Natural Gas-Air Premixed Mixture

更新时间：2025-07-09

- Effect of Ignition Energy on Laminar Burning of Natural Gas-Air Premixed Mixture
- Vol. 46, Issue 7, Pages: 21-25(2012)
- 作者机构：
  
  西安交通大学能源与动力工程学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK402
- Online First：10 July 2012，
  
  Published：2012
- 稿件说明：
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Effect of Ignition Energy on Laminar Burning of Natural Gas-Air Premixed Mixture[J]. 2012, 46(7): 21-25.
DOI：

Effect of Ignition Energy on Laminar Burning of Natural Gas-Air Premixed Mixture[J]. 2012, 46(7): 21-25. DOI：

摘要

通过改变点火线圈的充电时间

研究了充电时间与天然气空气预混合气点火能量、预混层流燃烧速度及压力和放热率等燃烧特性参数之间的关系.结果表明:点火能量随充电时间的增加而增大

当充电时间增加到6 ms时

点火能量的增加趋势减缓; 点火能量能会影响火核的形成和初期火焰的发展

当火核半径发展到8 mm时

火焰传播速度不受影响; 压力峰值随点火能量的增加逐渐增大且峰值位置提前

当充电时间由2 ms增加到8 ms时

最大压力峰值增加了 3.8%

峰值提前 8.6 ms出现

火焰发展期和快速燃烧期分别缩短了5.2 ms和1.7 ms.

Abstract

The relations of charging time with ignition energy

premixed laminar burning velocity

and combustion characteristics

such as pressure and heat release rate

of the natural gas-air premixed mixture were studied by changing the ignition coil charging time. The results show that the ignition energy increases almost linearly with the increase in the coil charging time. The ignition energy increases slowly when the charging time increases to 6 ms. The flame initiation and the early development are accelerated because of the increase in ignition energy but ignition energy has no effect on the flame propagation speed after the nuclear radius increases to 8 mm. The peak combustion pressure increases and occurs earlier when charging time increases. When the charging time rises from 2 ms to 8 ms

the maximum peak pressure increases by 3.8% and occurs 8.6 ms in advance

and the flame development period and the rapid combustion period decrease by 5.2 ms and 1.7 ms

respectively.

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references

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