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基于蒙特卡洛方法的集鱼灯海面照度模型建立 被引量:1

Establishment of sea surface illuminance model of fishing lamps based on Monte Carlo method
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摘要 集鱼灯照度分布计算和模拟是研究灯光渔船集鱼灯合理布置的重要途径。利用海表面风速、相对湿度数据、集鱼灯参数、渔船参数,在分析光子传输特性的基础上,运用蒙特卡洛方法建立灯光渔船集鱼灯海面照度模型。该模型利用米氏散射计算相对湿度与海表面风速对光子的吸收和散射,并考虑光子进入水面时海表风速对菲涅尔反射的影响。研究模型与叠加法比较,结果表明,该模型的理论计算值与实测值线性拟合斜率系数更接近1。计算不同风速及相对湿度的海面照度,结果表明:照度随着与船中线距离的增大而先增大后减小;相对湿度一定,随着与船中线距离的增加,先是风速越大照度越大,随后风速越大照度越小;风速一定,相对湿度对海面照度影响较小。本研究旨在建立一种集鱼灯海面照度模型,为今后灯光配置研究提供理论基础。 The illuminance distribution calculation and simulation of fishing lamps is the crucial means to arrange the lighting of fishing boats reasonably.With the assistance of wind speed,relative humidity,parameters of the fishing lamps and fishing boats and the analysis of photon transmission characteristic,a sea surface illuminance model of the fishing lamps for the lighting of fishing boats has been established through Monte Carlo method.The model adopts the Mie scattering to calculate relative humidity and the absorption and scattering for the wind speed of sea surface to photon and considers the impact for the wind speed of sea surface on the Fresnel coefficient while the photons are entering into the water.The comparison between the model and the superposition method shows that the linear fitting slope coefficient of the theoretical calculation value and the measured value of the model is closer to 1.By calculating the sea surface illuminance at different wind speeds and relative humidity,the results show that:the illuminance first increases and then decreases with the increase of the distance from the ship’s midship line;the relative humidity is constant,as the distance from the midship line increases,first the greater the wind speed,the greater the illuminance,and then the greater the wind speed,the lower the illuminance;the wind speed is constant,and the relative humidity has little effect on the sea surface illuminance.The purpose of this research is to establish a sea surface illuminance model for fishing lamps to provide a theoretical basis for future research on lighting configuration.
作者 戴明云 钱卫国 官文江 卢克祥 DAI Mingyun;QIAN Weiguo;GUAN Wenjiang;LU Kexiang(College of Marine Sciences,Shanghai Ocean University,Shanghai 201306,China;Fisheries College,Zhejiang Ocean University,Zhoushan 316022,Zhejiang,China)
出处 《上海海洋大学学报》 CAS CSCD 北大核心 2021年第6期1055-1066,共12页 Journal of Shanghai Ocean University
基金 国家自然科学基金(41876141) 上海市科学技术委员会科研项目(14DZ1205000)。
关键词 集鱼灯 蒙特卡洛 照度分布 米氏理论 fishing lamp Monte Carlo illuminance distribution Mie theory
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