极寒地区大型地下洞室利用射流风机除水雾模拟研究

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中图分类号：U453.2 文献标志码：A 文章编号：2095-2945（2025）20-0103-04

Abstract：Inviewofthewinterventilationproblemofcomplexcaverngroupswithmultipleshaftsinasevere cold environment，thesewagedischargepathwaschangedtotheconstructiontunnelentranceinwinterconstruction，usingtheheat flowinthetunneltopreventcoldairfrompenetrating，butthenaturalconvectionattheentrancewasenhancedandthewater mistincreased.Inordertoensurethemechanicaloperationofpersonelandvehicles，throughtheoretical，numericalsimulation andfieldtesting，aparaleljetfanlayoutschemeisproposedtoremovewatermistandimprovevisibilityThesimulationresults showthatitcanimprovetheproblemoffogremovallowvisibilityandoptimizeventlationsafetybyincreasingthewindspeed ofthefan，adjustingthepositionandquantityofthefan.Finally，thejetfanlayoutplanincludingmodellocationandqantity isgiven and similar projects are provided for reference.

Keywords：complexcavemconstruction;constructionventilation;numericalsimulation；winterconstruction；coldenviroment

施工通风的优劣不仅对工程进度有着显著的影响，同时也直接影响到施工人员的呼吸安全与健康1]。（剩余3625字）