Device and method for ignition through dual-mode lasers in target portion breakdown manner
A technology of ignition device and laser target, which is applied in the direction of engine ignition, engine components, machine/engine, etc., to achieve the effect of saving fuel, improving ignition speed, and reducing the difficulty of ignition adjustment
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Embodiment 1
[0028] A semiconductor continuous laser with a wavelength of 808nm is used, and its output 45W laser is used to preheat the target and the mixed gas. Subsequently, a 1064nm nanosecond laser was used to break down the target to generate plasma spark ignition with a repetition frequency of 10Hz and a single pulse energy of 200mJ.
[0029] The laser ignition operation according to this embodiment is completed under the above conditions, and the ignition of the mixture of methane and air is realized.
Embodiment 2
[0031] Nd:YAG all-solid-state continuous laser with a wavelength of 1064nm is used, and its output 60W laser is used to preheat the target and the mixed gas. A picosecond laser is used to break down the target, with a wavelength of 1064 nm, a repetition rate of 10 kHz, and a single pulse energy of 0.5 mJ.
[0032] The laser ignition operation according to this embodiment is completed under the above conditions, and the ignition of the mixture of methane and air is realized.
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Abstract
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Application Information
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