Multifunctional system for simulating natural rainfall through laser-induced water condensation

Abstract

The invention relates to a multifunctional system for simulating natural rainfall through laser-induced water condensation. The multifunctional system comprises a femtosecond laser, a lens, a tank, adeep refrigeration and purification assembly, a temperature control system and a light beam collection device, wherein the tank is a two-layer cavity made of 304 stainless steel, the centers of the top portion and the bottom portion of the tank are respectively provided with a deep refrigeration wind outlet and a deep refrigeration wind inlet, a catalyst feeding port, a top portion observation port and a sensor placement port are sequentially arranged on the side of the top portion of the tank, the side surface of the tank is provided with an aerosol inlet, a laser incidence port, a freezing liquid inlet, an aerosol outlet, a freezing liquid outlet, a laser exit port, a laser detection window and a mechanical arm inlet. According to the present invention, the multifunctional system has characteristics of complete function, simple and convenient operation and low experimental cost, can simultaneously achieve the water condensation simulation experiments of catalysts, aerosols and different environmental atmospheres, and further can truly simulate the natural rainfall phenomenon.

Description

technical field [0001] The invention relates to laser-induced water condensation, in particular to a multifunctional laser-induced water condensation simulation natural rainfall system. Background technique [0002] In recent years, with the development of laser technologies such as mode-locking and chirped pulse amplification (CPA), the emergence of ultra-intensive and ultra-short laser pulses has led to the formation of long-distance ionization channels when ultra-intense and ultra-short laser pulses propagate in the medium. This ionization channel originates from a dynamic balance between the self-focusing effect produced by the optical Kerr effect and the defocusing effect formed by the plasma. It can produce supercontinuous white light, form a cone-shaped radiation, and clamp light intensity. Based on these unique properties , so that it has important value in laser-induced lightning, remote detection, artificial rainfall, etc., and the laser-induced water condensation ...

AI Technical Summary

Problems solved by technology

For the field experiment, due to the uncertainty of the environmental conditions caused by the field experiment, the high cost of the experiment, and the limitations of low laser energy, the laser-induced water condensation in the field experiment has difficulties such as low repetition rate and high experiment difficulty; and for laser-induced water condensation. For the study of water condensation in ordinary cloud chambers, due to factors such as the size of the cloud chamber and the single environmental conditions in the cloud chamber, the current cloud chamber experiments cannot simulate the rain in the natural environment in the real atmosphere on a large scale.

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