izindaba

Ngomhlaka-18 Febhuwari, emdlalweni wamanqamu wenkundla yabesifazane oku-freestyle skiing okumise oku-U, u-Gu Ailing wathola isilinganiso samaphuzu angaphezu kuka-90 ekugxumeni okubili okudlule, wakhiya ubuqhawe kusenesikhathi futhi wawina indondo yegolide yesishiyagalombili yethimba lezemidlalo laseShayina.Ku-Genting Ski Complex, imibhoshongo eyisishiyagalolunye emhlophe qhwa enosayizi abahlukene “namakhethini” ayisishiyagalombili amhlophe aphrintwe anophawu lwama-Olympics Wasebusika akhiwe eduze kwamathrekhi wamakhono asemoyeni namakhono enkundla amise okuka-U.Lawa "makhethini" amhlophe empeleni angamanethi angangeni umoya enziwe ngezinto eziphakeme kakhulu ze-polyethylene, hhayi nje ukuhlobisa okuhle, kodwa futhi ukunikeza umgoqo wokuphepha kubagijimi ukwenza amaqhinga amangalisayo aphezulu.
Iinetha elivikela umoyaukuvikela i-Yunding ski resort complex kwathuthukiswa ngokuzimele yithimba likaSolwazi uLiu Qingkuan, umqondisi we-Wind Engineering Research Center yase-Shijiazhuang Railway University.Inetha le-windbreak alizange liqashelwe ngazwilinye futhi lituswe kakhulu ochwepheshe abafana ne-International Snow Federation, kodwa futhi lathola ukutuswa okuningi kubasubathi ababambe iqhaza ngesikhathi somncintiswano osemthethweni.

“I-windscreen iyamangalisa, iyasivikela emoyeni,” kusho u-snowboarder wabesilisa kanye nompetha wama-Winter Olympic amahlandla amathathu uSean White.“I-trackside net iyamangalisa,” kusho umshwibi wase-American freestyle u-Megan Nick.I-windbreak isisiza kakhulu futhi isigcina sizinzile ngisho nalapho kuvunguza umoya.”Umshwibi weFreestyle uWinter Winecki naye uthe: “Ezindaweni eziningi okuqhudelana kuzo abasubathi kumele baqhudelane nomoya.Kodwa lapha, iwindscreen yakhelwe ukusigcina siphephile futhi isivumele ukuthi sidlale amaqhinga amaningi emoyeni.”
Ngokuka-Liu Qingkuan, iqembu lenkundla i-Yunding endaweni yokuncintisana yase-Zhangjiakou libhekele imiqhudelwano eminingi ye-freestyle skiing kanye ne-snowboard.Eminye imincintiswano ye-skiing inezidingo eziqinile kakhulu emoyeni, ikakhulukazi ezenzakalweni ezimbili zamakhono asemoyeni kanye namakhono e-U-shaped field, lapho abasubathi besuka khona Ukuphakama kukhulu, futhi ukunyakaza okuningi okunzima kufanele kwenziwe emoyeni.Ngaphansi kwethonya lomoya onamandla, amakhono angase akhubazeke futhi ukusebenza kuzothinteka, futhi ibhalansi izolahleka emoyeni futhi ilimale.Emiqhudelwaneni edlule yaseWinter Olympics, World Championships neminye imiqhudelwano ebalulekile, kube nezingozi eziningi lapho abasubathi belahlekelwe khona ukulingana emoyeni ngenxa yomoya onamandla futhi balimala.Ngakho-ke, i-FIS incoma ukuthi isivinini somoya sethrekhi kufanele silawulwe ngaphansi kuka-3.5 m/s ngesikhathi somncintiswano.
Phambilini, amanethi angangeni moya ezindawo zokuncintisana zokushushuluza eqhweni yama-Winter Olympics wonke akhiqizwa futhi afakwa yizinkampani zaseYurophu.Izinto zokwenziwa zazimba eqolo, izingcaphuno zaziphakeme uma kuqhathaniswa, futhi isikhathi sokwakha sasidla isikhathi.Ngaphezu kwalokho, ubhadane lwakwamanye amazwe lubangele nobunzima obuthile ekuhlinzekeni.Ngakho-ke, i-Winter Olympics yamanje yazama ukusebenzisa imikhiqizo yasekhaya.Isikrini somoya.Nokho, awukho umklamo nomkhiqizi wesikrini somoya e-China ongahlangabezana nezidingo ze-FIS.Ekugcineni, ithimba lika-Liu Qingkuan lathatha umsebenzi wokwakha inethi yesinqamuleli somoya.
Ngokuka-Liu Qingkuan, i-International Snow Federation inezidingo eziqinile ezinkomba eziningi zenethi ye-windbreak emiqhudelwaneni yokushushuluza, futhi umklamo kufanele usekelwe ekusebenzeni kahle kokuvikela umoya, ukudluliswa kokukhanya, umbala, amandla nezinye izici.Ithimba lephrojekthi liqale laqoqa amapharamitha ahlukahlukene esivinini somoya ngesikhathi esifanayo sama-Olympics Wasebusika eminyakeni yamuva, labe lenza ukuhlaziya isimo sezulu, ukuhlola isimo sezwe, nokuhlolwa komhubhe womoya ukuze lithole idatha efana nobudlelwano obuhambisanayo phakathi kweziteshi zezulu ezikhona. kanye nesivinini somoya nesiqondiso sephuzu ngalinye emgudwini wabasubathi, bese Ukuthatha indawo engu-3.5 m/s njengokuhlosiwe, ukubalwa kwezinombolo zekhompyutha kanye nokuhlolwa komhubhe womoya kwenziwa ngokuphindaphindiwe, futhi ekugcineni kwanqunywa ukuthi kusetshenziswe i-high-. ubuningi bezinto ze-polyethylene ezinokuguquguquka okuqinile, kanye nemingcele ethile yenethi elivikela umoya le-polyethylene ephezulu kakhulu inqunywe.
Ngemva kokuxazulula inkinga yepharamitha, umphumela obonakalayo wenethi ye-windbreak uba inkinga futhi.Ukungeneka kwenethi yokuvikela umoya kuhambisana ngokuphambene nomthelela wokuvinjwa komoya.Bakala ngokuphindaphindiwe futhi bathola umenzi wemishini yokwaluka inetha engangeni emoyeni eningizimu.Sisebenzisa ubuchwepheshe bokuluka bezinaliti eziyi-12, sihlanganise isakhiwo esinezinhlangothi ezintathu esingangenwa umoya esihlangabezana nakho kokubili umphumela wokuvinjwa komoya kanye nezidingo zokudlulisa ukukhanya.inethiwekhi.
U-Liu Qingkuan uthe inethi le-polyethylene elinomoya ophezulu lingangenwa umoya licishe libe ngu-4 mm ubukhulu, futhi isakhiwo sendawo esinezinhlangothi ezintathu sangaphakathi siyinkimbinkimbi.Inhlanganisela yezimbobo ivele ihlangabezane nezidingo zokusebenza okumbaxambili kokudlulisa umoya nokukhanya, kanye nokusebenza okuqinile ngaphansi komoya onamandla.Inetha elingangenwa umoya likwazi ukumelana nokucindezela okungamathani angu-1.2 imitha yobubanzi, u-80% womoya oya phansi kwenethi elingumakhelwane ungavinjelwa, futhi isivinini somoya esingaphezu kuka-10 m/s singancishiswa sibe ngu-3.5 m/s noma imbala. ephansi, okuqinisekisa kakhulu ukuphepha nokunyakaza kwabasubathi kokuphothula.Inokumelana okuhle kwezinga lokushisa eliphansi.Ngemva kokuqhwaza okuphindaphindiwe nokuncibilika ku--40°C, isengakwazi ukuba lukhuni noma ishwabane, futhi ihlale igcina ukuguquguquka namandla.Ibuye ibe nokuvinjelwa komlilo kanye nokumelana ne-UV ngesikhathi esifanayo, izindleko aziphezulu, futhi izinkomba zezomnotho zinhle.Uma isetshenziswa, inetha elingangeni umoya lingavulwa futhi lihlehliselwe embhoshongweni phakathi kwemizuzu engu-6 kuya kwengu-8 ngokuya ngezidingo zesayithi, ezingasetshenziswa ngokuphindaphindiwe.
Ukwengeza, ukuze kuqinisekiswe ukumelana nezinga lokushisa okuphansi kwesistimu yamandla acindezelayo, idivayisi yokushayela ifakwe nedivayisi yokushisa ephansi esheshayo ukuze kuqinisekiswe ukuthi ukucindezela nokusebenza kabusha kungaqalwa ngokushesha ekushiseni okuphansi.
Emzileni wamakhono asemoyeni we-Genting Ski Resort, u-Xu Mengtao no-Qi Guangpu banikele ngezindondo zegolide ezimbili e-China ngokulandelana, kwathi iqembu elixubile lika-Xu Mengtao, u-Qi Guangpu kanye no-Jia Zongyang liwine indondo yesiliva;emqhudelwaneni wamakhono amise okwe-U, uGu Ailing uzuze indondo yegolide.Impumelelo yale miphumela emihle kakhulu ayinakuhlukaniswa nemizamo yabasubathi kanye nesiqinisekiso seqembu lenethi le-windbreak phakathi nomdlalo.“Ngesikhathi sokuzilolonga kanye nezinkundla zangaphambi kokuncintisana, ithimba lethu lihlale lisemsebenzini, liqapha isivinini somoya, imingcele yokugcinwa kweqhwa, ukuvulwa kanye nokuthola amanetha anqamula umoya, ukudlula onompempe nezimoto ezikhithika iqhwa, njll. Kuyafaneleka ukubona imiphumela emihle kakhulu yabadlali baseChina, noma ngabe uhlelo lunzima kangakanani,” kusho uLiu Qingkuan ngokuziqhenya.

Umbhali wangempela: Dong Xinqi China Chemical Industry News