基于LIF海面溢油平坦厚油膜区域边缘厚度评估方法研究

doi:10.3969/j.issn.1000-1158.2021.05.04

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摘要油膜厚度是对海面溢油污染定量分析的一个重要指标。结合海面溢油平坦和非平坦两种厚油膜区域的形态特点,依据激光诱导荧光(LIF)技术探测不同厚度油膜的信号特征给出判定,提出平坦厚油膜区域边缘厚度评估方法,根据油膜区域边缘厚度的不同,采用荧光强度估算油膜厚度。实验观察平坦厚油膜边缘的厚度变化,利用LIF实验系统对平坦厚油膜的边缘厚度进行评估,结果表明,该方法对于厚度大于20μm的油膜厚度评估,相对偏差在±10%左右。

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	谢贝贝
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	袁丽

关键词 ：计量学;油膜厚度;溢油评估;激光诱导荧光, 荧光强度

Abstract：Oil film thickness is an important index for quantitative analysis of sea surface oil spill pollution. Based on the morphological characteristics of the even and uneven thick oil film areas in the sea surface oil spill, the determination method was given based on the signal characteristics of laser-induced fluorescence (LIF) detecting oil film with different thickness, and the thickness evaluation method of the edge of even thick oil film area was proposed. The oil film thickness was estimated according to the fluorescence intensity corresponding to the thickness of the oil film area edge. The thickness change of the even thick oil film edge was observed, and the thickness of the even thick oil film was evaluated by LIF experimental system. The results show that the relative deviation of this method is about ± 10% for the oil film thickness greater than 20 μm.

Key words： metrology oil film thickness oil spill assessment laser-induced fluorescence fluorescence intensity

收稿日期: 2019-12-31 发布日期: 2021-05-24

PACS:

TB921

基金资助:国家科技重大专项(2017ZX05019001-011)

通讯作者: 孔德明(1983-),男,吉林公主岭人,燕山大学副教授,主要从事激光光谱技术研究、激光雷达探测技术研究。Email:demingkong@ysu.edu.cn E-mail: demingkong@ysu.edu.cn

作者简介: 谢贝贝(1989-),女,河北沧州人,燕山大学讲师,主要研究方向为智能信息处理。Email:beibeixie@ysu.edu.cn

引用本文:

谢贝贝,孔令富,孔德明,张晓丹,孔德瀚,袁丽. 基于LIF海面溢油平坦厚油膜区域边缘厚度评估方法研究[J]. 计量学报, 2021, 42(5): 564-569.
XIE Bei-bei,KONG Ling-fu,KONG De-ming,ZHANG Xiao-dan,KONG De-han,YUAN Li. Study on Thickness Evaluation Method of Sea SurfaceEven Thick Oil Film Area Edge Based on LIF. Acta Metrologica Sinica, 2021, 42(5): 564-569.

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http://jlxb.china-csm.org:81/Jwk_jlxb/CN/10.3969/j.issn.1000-1158.2021.05.04 或 http://jlxb.china-csm.org:81/Jwk_jlxb/CN/Y2021/V42/I5/564

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