復(fù)雜廠址下污染物擴(kuò)散的模擬研究

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中圖分類號：X511

文章編號：1674-6139（2025）05-0042-06

文獻(xiàn)標(biāo)志碼：B

Simulation Analysis of Pollutant Dispersion at Complex Plant Sites

Li Yu1，2 ，Li Hangyun3，Li Yunpeng1，2，Yao Rentai1，2，Guo Dongpeng4

（1 China Institute for Radiation Protection，Taiyuan O3Oo6，China;

2 CNNCKey Laboratoryof Simulationand Assessment Technology for Nuclear Environment，Taiyuan O30o06，China; 3 China Nuclear Power Engineering Co.，Ltd.Hebei Branch，Shijiazhuang O5O01，China；

4 Taiyuan University of Science and Technology，Taiyuan O3oO24，China）

Abstract：ThisarticleselectsacomplexplantsitetoconductwindtunnelexperimentsandCFDnumericalsimulationbasedonteactualterrainoftesiteByomparingthefowfeldandoncentratiosultsofumercalsimulatioandwidtuelexperimentsitisfound thatbothhowconsistenttrendsofchang，withtheflowfeldresultswithin1.7timesofeachother.Teumericalsimulationresultsana lyzedthempactofteunderlyingsuaceoteowfeldandconcentratiounderdiferentwinddiretios，ithteveloiyeficitusd by the mountain effect ranging from 75% to 81% ，and the maximum variation range of the ground-level diffusion factor for polltants under diferentiddetiosngi.isOveralaosidedslatielyietofrtdfar -fieldflowand diffusionovercomplexterrainand buildings，buttherearecertaindiferencesnearthegroundsurface.

Key words：nuclear power plant；atmospheric diffusion；numerical simulation；wind tunnel experiment

前言

核電廠放射性核素在大氣環(huán)境中的遷移與擴(kuò)散備受關(guān)注，而了解核電廠正常工況下釋放到環(huán)境中的放射性核素的遷移規(guī)律，對于核電廠的規(guī)劃以及環(huán)境影響評價(jià)具有重要意義[]。（剩余5940字）