STREAMER DISCHARGES CAUSED BY HIGH- FREQUENCY VOLTAGE LEADING TO IGNITION OF HYDROGEN/AIR MIXTURES

T. Langer; D. Markus; F. Lienesch; U. Maas

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STREAMER DISCHARGES CAUSED BY HIGH- FREQUENCY VOLTAGE LEADING TO IGNITION OF HYDROGEN/AIR MIXTURES

机译：高频电压导致氢气/空气混合物着火而引起的流胶放电

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The authors investigated the ignition process of hydrogenlair mixtures by repetitive streamer discharges due to high-frequency A C voltage in order to achieve a better comprehension in matters of safety engineering. Therefore, the dependence of ignition on the number of voltage cycles is examined. The location of the highest ignition probability is analysed. The electric field strength in the test setup is calculated to explain the obtained effect of different streamer elongation for different polarities. The streamer current is investigated. The streamer radius and length in air are determined. Considering the impact of the discharge as gas heating the minimum ignition energy density of different hydrogenlair mixtures is calculated using detailed chemical kinetics. Based on this approach, the energy deposition resulting from streamer discharges in the gas mixture is estimated.

机译：作者研究了由于高频A C电压引起的重复流光放电引起的氢能混合物的着火过程，以便在安全工程方面获得更好的理解。因此，检查了点火对电压循环数的依赖性。分析最高点火概率的位置。计算测试装置中的电场强度，以解释在不同极性下不同拖缆伸长所获得的效果。研究拖缆电流。确定拖缆的半径和空气中的长度。考虑到气体加热对放电的影响，使用详细的化学动力学计算了不同氢类混合物的最小点火能量密度。基于这种方法，可以估算出气体混合物中流光放电所产生的能量沉积。

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来源
《Combustion Science and Technology》 |2010年第12期|p.1718-1734|共17页
作者
T. Langer; D. Markus; F. Lienesch; U. Maas;
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作者单位

Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany;

Physikalisch-Technische Bundesanstalt, Braunschweig, Germany;

Physikalisch-Technische Bundesanstalt, Braunschweig, Germany;

Institute of Technical Thermodynamics, Karlsruhe Institute of Technology, Karlsruhe, Germany;

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正文语种 eng
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关键词
AC voltage; explosion protection; hydrogen; ignition; streamer discharge; streamer length; streamer radius;

机译：交流电压防爆;氢;点火;流光放电拖缆长度拖缆半径;

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1. Ignition of Hydrogen/Air Mixtures through Electric Discharges at High Frequency AC Voltage [J] . Frank Lienesch, Michael Spilling, Tim Langer Chemical Engineering & Technology: Industrial Chemistry -Plant Equipment -Process Engineering -Biotechnology . 2009,第2期

机译：在高频交流电压下通过放电点燃氢/空气混合物
2. Experimental Study of Microwave Streamer Discharge Ignition of Premixed Air/Fuel Mixtures [J] . Bulat Mikhail, Bulat Pavel, Denissenko Petr, IEEE Transactions on Plasma Science . 2019,第1期

机译：预混空气/燃料混合物的微波流光放电点火实验研究
3. Ignition of premixed air/fuel mixtures by microwave streamer discharge [J] . Denissenko Petr, Bulat Mikhail P., Esakov Igor I., Combustion and Flame . 2019,第APRa期

机译：微波流光放电点燃预混合的空气/燃料混合物
4. TIME-RESOLVED OH-PLIF MEASUREMENTS AFTER IGNITION OF HYDROGEN/AIR MIXTURES BY PULSED STREAMER DISCHARGES [C] . D. Markus, A. Hallermann, M. Paul, International Symposium on Flow Visualization . 2010

机译：通过脉冲拖缆放电点燃氢气/空气混合物后的时间分辨的OH-PLIF测量
5. CARS thermometry studies of plasma assisted combustion in ethylene-air and hydrogen-air mixtures and of a dielectric barrier discharge actuator. [D] . Zuzeek, Yvette Marie. 2010

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6. Direct Numerical Simulations of Hotspot-induced Ignition in Homogeneous Hydrogen-air Pre-mixtures and Ignition Spot Tracking [O] . Cheng Chi, Abouelmagd Abdelsamie, Dominique Thévenin -1

机译：均相氢-空气预混物中热点引燃的直接数值模拟和引燃点跟踪
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STREAMER DISCHARGES CAUSED BY HIGH- FREQUENCY VOLTAGE LEADING TO IGNITION OF HYDROGEN/AIR MIXTURES

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