極寒地區(qū)大型地下洞室利用射流風(fēng)機(jī)除水霧模擬研究

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中圖分類號(hào)：U453.2 文獻(xiàn)標(biāo)志碼：A 文章編號(hào)：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

施工通風(fēng)的優(yōu)劣不僅對(duì)工程進(jìn)度有著顯著的影響，同時(shí)也直接影響到施工人員的呼吸安全與健康1]。（剩余3625字）