三维激光诱导荧光(3DLIF)技术及测量水体标量场设备研究

Study on three dimensional laser-induced fluorescence (3DLIF) techniques and its instrument

摘要: 本文介绍了激光诱导荧光（LIF）技术测量水体浓度场、温度场和速度场的基本原理，总结了从一维到三维LIF技术的发展历程，综述了激光诱导荧光（LIF）技术测量水体标量场的关键问题，包括激光器和片光源、荧光物质选择和校正方法，从工程化和产业化的需求出发，提出了基于3DLIF技术的水体三维标量场测量仪器的总体技术方案、技术路线和总体技术指标，并给出了3DLIF的关键技术及其解决方案。

Abstract: This paper introduces the principle of the LIF technique to measure the water concentration, temperature and velocity fields, summarizes the LIF technology development from 1D to 3D, reviews the key issues of LIF to measure the scalar field in water, including laser and light-sheet sources, fluorescence material selections and calibration methods, and finally reviews various correction methods of PLIF and 3DLIF. Based on the 3DLIF techniques, this paper proposes an overall technical scheme, technical route and overall technical indicators of 3DLIF instrument, and then provides solutions of 3DLIF key techniques to meet the demand of engineering and industrialization.