Nhanganyaya
Kamuri rakachena ndiro hwaro hwekudzora kusvibiswa. Pasina imba yakachena, zvikamu zvinokanganiswa nekusvibiswa hazvigone kugadzirwa zvakawanda. MuFED-STD-2, imba yakachena inotsanangurwa sekamuri rine mhepo inosefa, kugoverwa, kugadziriswa, zvinhu zvekuvaka uye michina, umo maitiro chaiwo ekushanda anoshandiswa kudzora kuwanda kwezvikamu zvinobhururuka kuti pave nehuwandu hwakakodzera hwekuchena kwezvikamu.
Kuti muwane kuchena kwakanaka muimba yakachena, hazvidikanwi kungotarisa pakutora matanho ekuchenesa mhepo inotonhorera, asiwo kuda kuti maitiro, kuvaka nezvimwe hunyanzvi zvitore matanho akakodzera: kwete dhizaini ine musoro chete, asiwo kuvaka nekungwarira uye kuisa zvinoenderana nezvinodiwa, pamwe nekushandiswa kwakakodzera kwekamuri yakachena uye kugadziriswa kwesainzi uye manejimendi. Kuti muwane kuchena kwakanaka muimba yakachena, mabhuku mazhinji emuno neekunze akatsanangurwa kubva pamaonero akasiyana. Kutaura zvazviri, zvakaoma kuwana hukama hwakanaka pakati pehunyanzvi hwakasiyana, uye zvakaoma kuti vagadziri vanzwisise mhando yekuvaka nekuisa pamwe nekushandiswa nekutarisira, kunyanya yekupedzisira. Nezvematanho ekuchenesa imba yakachena, vagadziri vazhinji, kana kunyange mapoka ekuvaka, kazhinji havanyatso tarisiri mamiriro avo anodiwa, zvichikonzera kuchena kusina kugutsa. Chinyorwa chino chinongokurukura muchidimbu mamiriro mana anodiwa ekuzadzisa zvinodiwa zvekuchenesa mumatanho ekuchenesa imba yakachena.
1. Kuchena kwemhepo
Kuti ive nechokwadi chekuti kuchena kwemhepo kunoenderana nezvinodiwa, chinhu chikuru ndechekushanda zvakanaka uye kuiswa kwesefa yekupedzisira yesystem yekuchenesa.
Sarudzo yefirita
Sefa yekupedzisira yesystem yekuchenesa inowanzoshandisa sefa yehepa kana sefa yesub-hepa. Zvichienderana nezvinodiwa nenyika yangu, kushanda zvakanaka kwemasefa ehepa kwakakamurwa kuita magiredhi mana: Kirasi A ndeye ≥99.9%, Kirasi B ndeye ≥99.9%, Kirasi C ndeye ≥99.999%, Kirasi D ndeye (yezvikamu ≥0.1μm) ≥99.999% (inozivikanwawo semasefa e-ultra-hepa); masefa esub-hepa ndee (ezvikamu ≥0.5μm) 95~99.9%. Kushanda kwakanyanya, sefa inodhura zvakanyanya. Saka, pakusarudza sefa, hatifanirwe kungozadzisa zvinodiwa zvekuchena kwemhepo chete, asiwo kufunga nezvehupfumi.
Kubva pamaonero ezvinodiwa zvehutsanana, musimboti ndewekushandisa mafirita asina simba rakawanda pamakamuri akachena akaderera uye mafirita ane simba rakawanda pamakamuri akachena akakwirira. Kazhinji: mafirita ane simba rakawanda nepakati anogona kushandiswa padanho remamiriyoni; mafirita ehepa epasi pehepa kana eClass A anogona kushandiswa padanho riri pasi pekirasi 10,000; mafirita eClass B anogona kushandiswa pakirasi 10,000 kusvika 100; uye mafirita eClass C anogona kushandiswa padanho re100 kusvika 1. Zvinoita sekunge kune mhando mbiri dzemafirita ekusarudza kubva padanho rega rega rehutsanana. Kuti usarudze mafirita ane simba rakawanda here kana kuti asina simba rakawanda zvinoenderana nemamiriro ezvinhu chaiwo: kana kusvibiswa kwezvakatipoteredza kwakanyanya, kana kuti chiyero cheutsi hwemukati chakakura, kana imba yakachena ichikosha zvikuru uye ichida chinhu chikuru chekuchengetedza, mune izvi kana chimwe chezviitiko izvi, firita yemhando yepamusoro inofanira kusarudzwa; zvikasadaro, firita ine simba rakaderera inogona kusarudzwa. Kumakamuri akachena anoda kudzora zvidimbu zve0.1μm, mafirita eClass D anofanira kusarudzwa pasinei nehuwandu hwezvidimbu zvinodzorwa. Zviri pamusoro apa zvinongoenderana nemaonero efirita. Kutaura zvazviri, kuti usarudze firita yakanaka, unofanirawo kufunga nezvehunhu hwekamuri rakachena, firita, uye sisitimu yekuchenesa.
Kuisa sefa
Kuti mweya ucheneswe, hazvina kukwana kuva nemafirita akakodzera chete, asiwo kuve nechokwadi chekuti: a. Sefa haina kukuvara panguva yekufambisa nekuisa; b. Kuisa kwacho kwakasimba. Kuti uwane poindi yekutanga, vashandi vekuvaka nekuisa vanofanira kunge vakadzidziswa zvakanaka, vane ruzivo rwekuisa masisitimu ekuchenesa uye hunyanzvi hwekuisa. Zvikasadaro, zvichave zvakaoma kuve nechokwadi chekuti sefa haina kukuvara. Pane zvidzidzo zvakadzama panyaya iyi. Chechipiri, dambudziko rekusimba kwekuisa rinonyanya kuenderana nemhando yechimiro chekuisa. Bhuku rekugadzira rinowanzo kurudzira: kune sefa imwe chete, kuiswa kwemhando yakavhurika kunoshandiswa, kuitira kuti kunyangwe kana kuvuza kukaitika, kusadonhedza mukamuri; uchishandisa nzira yekufema yehepa yakapedzwa, kuomarara kuri nyorewo kuve nechokwadi. Kune mhepo yemafirita akawanda, gel seal uye negative pressure sealing zvinowanzo shandiswa mumakore achangopfuura.
Chisimbiso chejel chinofanira kuve nechokwadi chekuti chisungo chetangi remvura chakasimba uye furemu yese iri panzvimbo imwe chete yakatwasuka. Kuvhara kumanikidzwa kusina kunaka (negative pressure sealing) kunoreva kuti mucheto wekunze wefuremu iri pakati pefirita nebhokisi rekumanikidzwa rakamira uye furemu ive nepfungwa yekumanikidzwa isina kunaka. Kufanana nekuisa kwakavhurika, kunyangwe paine kubuda kwemvura, hakuzodonhedze mukamuri. Kutaura zvazviri, chero bedzi furemu yekuisa yakati sandara uye magumo efirita akabatana zvakafanana nefuremu yekuisa, zvinofanira kunge zviri nyore kuita kuti furemu isangane nezvinodiwa zvekusimba kwekuisa mune chero rudzi rwekuisa.
2. Kurongeka kwemhepo
Kurongeka kwemhepo mukamuri rakachena kwakasiyana nekwemukamuri rine mhepo inotonhorera. Zvinoda kuti mhepo yakachena itange yaendeswa kunzvimbo yekushanda. Basa rayo nderekuganhurira nekuderedza kusvibiswa kwezvinhu zvakagadziriswa. Kuti izvi zviitike, nheyo dzinotevera dzinofanira kufungwa nezvadzo pakugadzira sangano remhepo: kuderedza mafungu emvura kuti usasvibise kubva kunze kwenzvimbo yebasa kuenda kunzvimbo yebasa; edza kudzivirira guruva kuti risabhururuke zvishoma nezvishoma kuti uderedze mukana weguruva kusvibisa nzvimbo yebasa; mhepo iri munzvimbo yebasa inofanira kunge yakafanana sezvinobvira, uye kumhanya kwayo kwemhepo kunofanira kusangana nezvinodiwa zvemaitiro nehutsanana. Kana mhepo ichiyerera ichienda kunzvimbo inobuda mweya, guruva riri mumhepo rinofanira kubviswa zvinobudirira. Sarudza nzira dzakasiyana dzekutumira nekudzorera mhepo zvichienderana nezvinodiwa zvakasiyana zvehutsanana.
Masangano akasiyana ekufambisa mhepo ane hunhu hwawo uye mapurojekiti awo:
(1). Kuyerera kwakatwasuka kwakanangana nedivi rimwe chete
Pamusoro pezvakanakira zvakajairika zvekuwana mweya wakafanana uchidzika pasi, zvichiita kuti zvigadziriswe, kugona kuzvichenesa kwakasimba, uye kurerutsa nzvimbo dzakajairika dzakadai senzvimbo dzekuchenesa munhu, nzira ina dzemhepo dzine zvakanakirawo nezvadzisina: mafirita ehepa akafukidzwa zvizere ane zvakanakira zvekusagadzikana kwakaderera uye kutenderera kwenguva refu kwefirita, asi chimiro chedenga chakaoma uye mutengo wakakwira; zvakanakira nezvakaipira zvekutumira pamusoro pefirita yehepa yakafukidzwa nedivi uye kutumira pamusoro pefirita yakazara zvakapesana nekutumira pamusoro pefirita yehepa yakafukidzwa zvizere. Pakati pazvo, kutumira pamusoro pefirita yakazara kuri nyore kuunganidza guruva pamusoro pepurasitiki yeorifice kana sisitimu isingashande nguva dzose, uye kusagadzirisa zvakanaka kunokanganisa kuchena; kutumira pamusoro pefirita yakakora kunoda jira rekusanganisa, saka rakakodzera chete kumakamuri marefu akachena anopfuura 4m, uye hunhu hwayo hwakafanana nekutumira pamusoro pefirita yakazara; nzira yemhepo inodzoserwa yeplate ine magrille kumativi ese uye nzira dzemhepo dzinodzoserwa dzakarongwa zvakaenzana pasi pemadziro akatarisana dzakakodzera chete makamuri akachena ane nzvimbo iri pasi pe6m kumativi ese; nzira dzemhepo dzinodzoserwa dzakarongwa pasi pemadziro ane divi rimwe chete dzakakodzera chete makamuri akachena ane chinhambwe chidiki pakati pemadziro (senge ≤<2~3m).
(2). Kuyerera kwakatwasuka kwedivi rimwe chete
Nzvimbo yekutanga yekushanda chete ndiyo inogona kusvika padanho rekuchena re100. Kana mhepo ichienda kune rimwe divi, huwandu hweguruva hunowedzera zvishoma nezvishoma. Saka, yakakodzera chete makamuri akachena ane zvinodiwa zvakasiyana zvekuchena kwemaitiro akafanana mukamuri rimwe chete. Kugoverwa kwemafirita ehepa munzvimbo iyoyo pamadziro emhepo kunogona kuderedza kushandiswa kwemafirita ehepa uye kuchengetedza mari yekutanga, asi kune ma eddies munzvimbo dzemunharaunda.
(3). Mhepo inovhuvhuta
Hunhu hwekuendeswa kweplate dzepamusoro uye kuendeswa kwedense diffusers dzakafanana nedzataurwa pamusoro apa: zvakanakira zvekuendeswa kwepadivi zviri nyore kuronga mapaipi, hapana technical interlayer inodiwa, mutengo wakaderera, uye zvinobatsira pakugadzirisa mafekitori ekare. Zvakashata ndezvekuti kumhanya kwemhepo munzvimbo yebasa kwakakura, uye huwandu hweguruva parutivi rwemhepo hwakakwira kupfuura hwepadivi remhepo; kuendeswa kwepamusoro kwehepa filter outlets kune zvakanakira sisitimu iri nyore, hapana mapaipi ari kumashure kwehepa filter, uye mweya wakachena unoendeswa zvakananga kunzvimbo yebasa, asi mweya wakachena unopararira zvishoma nezvishoma uye mweya uri munzvimbo yebasa wakafanana; zvisinei, kana nzvimbo dzakawanda dzemhepo dzakarongwa zvakaenzana kana nzvimbo dzemhepo dzehepa filter dzine diffusers dzichishandiswa, mhepo iri munzvimbo yebasa inogonawo kuitwa yakaenzana; asi kana sisitimu isiri kushanda nguva dzose, diffuser inokurumidza kuungana guruva.
Kukurukurirana kuri pamusoro apa kuri mumamiriro akanaka uye kunokurudzirwa nemagwaro akakodzera enyika, zviyero kana mabhuku ekugadzira. Mumapurojekiti chaiwo, sangano remhepo harina kugadzirwa zvakanaka nekuda kwemamiriro ezvinhu asina chinangwa kana zvikonzero zvemugadziri. Akajairika anosanganisira: kuyerera kwemhepo kwakatwasuka kunogamuchira mhepo inodzoka kubva pasi pemadziro maviri ari pedyo, kirasi yemunharaunda 100 inoshandisa kutumirwa kwepamusoro uye kudzorerwa kwepamusoro (ndiko kuti, hapana keteni rinosungirirwa pasi penzvimbo yemhepo inobuda), uye makamuri akachena anotenderera anoshandisa kutumirwa kwemhepo inobuda pamusoro pehepa filter uye kudzorerwa kwepamusoro kana kudzorerwa kwepasi kwedivi rimwe chete (nzvimbo yakakura pakati pemadziro), nezvimwewo. Nzira idzi dzekugadzirisa kuyerera kwemhepo dzakayerwa uye kuchena kwavo kwakawanda hakusviki pazvinodiwa zvekugadzira. Nekuda kwezvinodiwa zviripo zvekugamuchirwa kusina chinhu kana kwakasimba, mamwe emakamuri aya akachena haasviki padanho rekuchenesa rakagadzirwa mumamiriro asina chinhu kana kwakasimba, asi kugona kudzivirira kusvibiswa kwakaderera kwazvo, uye kana imba yakachena yapinda mumamiriro ekushanda, haisviki pazvinodiwa.
Kurongeka kwemhepo kwakakodzera kunofanirwa kuiswa nemachira akarembera kusvika pakakwirira penzvimbo yekushandira munharaunda, uye kirasi ye100,000 haifanirwe kushandisa kutumirwa kwepamusoro uye kudzoka kwepamusoro. Pamusoro pezvo, mafekitori mazhinji parizvino anogadzira nzvimbo dzemhepo dzinoshanda zvakanaka dzine ma diffuser, uye ma diffuser avo ingori maplate ekushongedza uye haaite basa rekuparadzira mhepo. Vagadziri nevashandisi vanofanira kunyatsoteerera izvi.
3. Huwandu hwemhepo inopihwa kana kumhanya kwemhepo
Huwandu hwakakwana hwemhepo inofefetera hunofanirwa kuderedzwa nekubvisa mhepo yakasviba mumba. Zvichienderana nezvinodiwa zvakasiyana zvehutsanana, kana kukwirira kwekamuri yakachena kwakakwira, huwandu hwemhepo inofefetera hunofanira kuwedzerwa zvakakodzera. Pakati pazvo, huwandu hwemhepo inofefetera hwekamuri yakachena ine nhanho imwe miriyoni hunotariswa zvichienderana nehurongwa hwekuchenesa hunoshanda zvakanyanya, uye zvimwe zvinotariswa zvichienderana nehurongwa hwekuchenesa hunoshanda zvakanyanya; kana mafirita ehepa ekamuri yakachena yekirasi 100,000 akaiswa mukamuri remuchina kana mafirita epasi pehepa achishandiswa pakupera kwehurongwa, huwandu hwemhepo inofefetera hunogona kuwedzerwa zvakakodzera ne10-20%.
Panyaya yehuwandu hwemhepo inofefetera huri pamusoro apa, munyori anotenda kuti: kumhanya kwemhepo kuburikidza nechikamu chekamuri chekamuri rekuyerera kwemhepo imwe chete kwakaderera, uye imba yekuchena ine ruzha ine kukosha kwakakurudzirwa kune chinhu chekuchengetedza chakakwana. Kuyerera kwemhepo imwe chete kwakatwasuka ≥ 0.25m/s, kuyerera kwemhepo imwe chete kwakatwasuka ≥ 0.35m/s. Kunyangwe zvinodiwa zvehutsanana zvichigona kuzadzikiswa kana zvikaedzwa mumamiriro asina chinhu kana asingachinji, kugona kwekudzivirira kusvibiswa kwakaderera. Kana imba yangopinda mumamiriro ekushanda, kuchena kunogona kusasangana nezvinodiwa. Muenzaniso werudzi urwu hausi wega. Panguva imwe chete, hapana mafeni akakodzera masisitimu ekuchenesa muventilator yenyika yangu. Kazhinji, vagadziri havawanzoita kuverenga kwakarurama kwekudzivirira kwemhepo yesystem, kana kuti havaoni kana fan yakasarudzwa iri panzvimbo yekushanda yakanaka pane characteristic curve, zvichikonzera kuti vhoriyamu yemhepo kana kumhanya kwemhepo zvisasvike kukosha kwedhizaini nguva pfupi mushure mekunge sisitimu yatanga kushanda. Mutemo wehurumende yeUS (FS209A~B) waiti kumhanya kwemhepo kwekamuri rakachena richienda kune rimwe divi kuburikidza nechikamu chekamuri rakachena kunowanzo chengetedzwa pa 90ft/min (0.45m/s), uye kumhanya kwemhepo kusaenzana kuri mukati me ±20% kana pasina kupindira mukamuri rese. Kudzikira kukuru kwekumhanya kwemhepo kuchawedzera mukana wekuti nguva yekuzvichenesa yega uye kusvibiswa pakati penzvimbo dzekushanda (mushure mekuziviswa kweFS209C muna Gumiguru 1987, hapana mitemo yakagadzirwa yezviratidzo zvese zveparameter kunze kwekuwanda kweguruva).
Nekuda kwechikonzero ichi, munyori anotenda kuti zvakakodzera kuwedzera kukosha kwekugadzira kwemumba kwekukurumidza kwekuyerera kwemhepo kwakafanana. Chikwata chedu chakaita izvi mumapurojekiti chaiwo, uye mhedzisiro yacho yakanaka. Imba yakachena ine ruzha ine kukosha kunokurudzirwa ine chinhu chekuchengetedza chakakwana, asi vagadziri vazhinji havasati vavimbiswa. Pakugadzira magadzirirwo chaiwo, vanowedzera huwandu hwemhepo yekamuri yakachena yekirasi 100,000 kusvika ka20-25 paawa, imba yakachena yekirasi 10,000 kusvika ka30-40 paawa, uye imba yakachena yekirasi 1000 kusvika ka60-70 paawa. Izvi hazvingowedzera kugona kwemidziyo nekudyara kwekutanga chete, asiwo zvinowedzera mari yekuchengetedza nekutarisira mune ramangwana. Kutaura zvazviri, hapana chikonzero chekuita izvozvo. Pakurongedza matanho ehunyanzvi ekuchenesa mhepo yenyika yangu, nzvimbo yakachena yekirasi 100 muChina yakaongororwa uye yakayerwa. Makamuri mazhinji akachena akaedzwa pasi pemamiriro ezvinhu anochinja-chinja. Zvakabuda zvakaratidza kuti huwandu hwemhepo inofefetera hwemakamuri ekirasi 100,000 akachena ≥10 ka10/awa, makamuri ekirasi 10,000 akachena ≥20 ka20/awa, uye makamuri ekirasi 1000 akachena ≥50 ka50/awa zvinogona kuzadzisa zvinodiwa. US Federal Standard (FS2O9A~B) inoti: makamuri akachena asina divi rimwe chete (kirasi 100,000, kirasi 10,000), kukwirira kwekamuri 8~12ft (2.44~3.66m), anowanzo funga kuti imba yese inofanira kufefetera kanenge kamwe chete pamaminitsi matatu (kureva makumi maviri/awa). Nokudaro, dhizaini yacho yakafunga nezvehuwandu hwakawanda hwemhepo inofefetera, uye mugadziri anogona kusarudza zvakachengeteka zvichienderana nehuwandu hwemhepo hunokurudzirwa.
4. Musiyano wekumanikidzwa kwakasimba
Kuchengetedza kumanikidzwa kwakanaka muimba yakachena ndechimwe chezvinhu zvakakosha kuti imba yakachena isasvibiswe zvakanyanya kuti irambe yakachena. Kunyangwe mumakamuri akachena ne pressure, inofanira kunge iine makamuri ari pedyo kana masutu ane nhanho yekuchena isiri pasi penhanho yayo kuti irambe iine pressure yakanaka, kuitira kuti kuchena kwekamuri rakachena ne pressure kugone kuchengetedzwa.
Kukosha kwekumanikidzwa kwekamuri rakachena kunoreva kukosha kana kumanikidzwa kwemukati meimba kwakakura kupfuura kumanikidzwa kwekunze kana masuo nemahwindo ese akavharwa. Izvi zvinoitwa nenzira yekuti huwandu hwemhepo inopihwa sisitimu yekuchenesa hwakakura kupfuura huwandu hwemhepo inodzoserwa uye huwandu hwemhepo inobuda. Kuti ive nechokwadi chekuti kukosha kwekumanikidzwa kwekamuri rakachena kwakanaka, mafeni ekupa, ekudzoserwa uye ekubuda zvinokurudzirwa zvakabatana. Kana sisitimu yavhurwa, fan yekugovera inotanga yatangwa, uye mafeni ekudzoserwa uye ekubuda zvinotangwa; kana sisitimu yadzimwa, fan yekuburitsa inodzimwa kutanga, uye mafeni ekudzoserwa uye ekubuda anodzimwa kudzivirira imba yakachena kuti isasvibiswe kana sisitimu yavhurwa uye yadzimwa.
Huwandu hwemhepo inodiwa kuti imba yakachena irambe iine simba rakanaka hunonyanya kutariswa nekusapinda kwemhepo kwechivakwa chekuchengetedza. Mumazuva ekutanga ekuvakwa kwemakamuri akachena munyika yangu, nekuda kwekusapinda kwemhepo zvakanaka kwechivakwa chakavharirwa, zvaitora ka2 kusvika ka6 paawa yemhepo kuti mhepo irambe iine simba rakanaka re ≥5Pa; parizvino, kusapinda kwemhepo kwechivakwa chekuchengetedza kwavandudzika zvikuru, uye ka1 kusvika ka2 paawa yemhepo inodiwa kuti mhepo irambe iine simba rakafanana; uye ka2 kusvika ka3 paawa yemhepo inodiwa kuti irambe iine simba rakanaka re ≥10Pa.
Magadzirirwo enyika yangu [6] anotaura kuti musiyano wekumanikidzwa kwenzvimbo pakati pemakamuri akachena ane magiredhi akasiyana uye pakati penzvimbo dzakachena nenzvimbo dzisina kuchena haufanirwe kunge uri pasi pe0.5mm H2O (~5Pa), uye musiyano wekumanikidzwa kwenzvimbo yakachena nekunze haufanirwe kunge uri pasi pe1.0mm H2O (~10Pa). Munyori anotenda kuti kukosha uku kunoita sekunge kwakaderera nekuda kwezvikonzero zvitatu:
(1) Kudzvanywa kwakanaka kunoreva kugona kwekamuri rakachena kudzvinyirira kusvibiswa kwemhepo yemukati nepakati pemasuo nemahwindo, kana kuderedza kusvibiswa kunopinda mukamuri kana masuo nemahwindo akavhurwa kwenguva pfupi. Hukuru hwekudzvanywa kwakanaka kunoratidza simba rekukwanisa kudzora kusvibiswa. Ehe, kana kudzvanywa kukuru, zviri nani (izvo zvichakurukurwa gare gare).
(2) Huwandu hwemhepo hunodiwa kuti pave nekumanikidzwa kwakanaka hwakaganhurirwa. Huwandu hwemhepo hunodiwa kuti pave nekumanikidzwa kwakanaka kwe5Pa uye 10Pa kwakanaka hwakasiyana kanenge kamwe chete paawa. Sei usingazviite? Zviri pachena kuti zviri nani kutora muganho wakaderera wepfungwa dzakanaka se10Pa.
(3) US Federal Standard (FS209A~B) inotaura kuti kana masuo ese ekupinda nekubuda akavharwa, musiyano wepakati pekumanikidzwa kwakanaka pakati peimba yakachena nechero nzvimbo iri pedyo yekuchena kushoma i0.05 inches yekoramu yemvura (12.5Pa). Kukosha uku kwakagamuchirwa nenyika dzakawanda. Asi kukosha kwekumanikidzwa kwakanaka kweimba yakachena hakusi kwakakwira, kuri nani. Zvichienderana nemiedzo chaiyo yeinjiniya yeyuniti yedu kwemakore anopfuura makumi matatu, kana kukosha kwekumanikidzwa kwakanaka kuri ≥ 30Pa, zvakaoma kuvhura gonhi. Kana ukavhara gonhi zvisina hanya, zvichaita ruzha! Zvichavhundutsa vanhu. Kana kukosha kwekumanikidzwa kwakanaka kuri ≥ 50~70Pa, mipata iri pakati pemasuo nemahwindo inoita ruzha, uye vasina simba kana avo vane zviratidzo zvisina kukodzera vachanzwa kusagadzikana. Zvisinei, zvirevo zvakakodzera kana zviyero zvenyika dzakawanda dziri kumba nekune dzimwe nyika hazvitsananguri muganho wepamusoro wekumanikidzwa kwakanaka. Nekuda kweizvozvo, mayuniti mazhinji anongotsvaga kusangana nezvinodiwa zvemuganho wakaderera, zvisinei nekuti muganho wepamusoro wakawanda sei. Mukamuri rakachena rakawanikwa nemunyori, kukosha kwekumanikidzwa kwakanaka kwakakwira kusvika pa100Pa kana kupfuura, zvichikonzera mhedzisiro yakaipa zvikuru. Kutaura zvazviri, kugadzirisa kumanikidzwa kwakanaka hakusi chinhu chakaoma. Zvinokwanisika zvachose kuidzora mukati mechikamu chakati. Paiva negwaro rairatidza kuti imwe nyika kuEastern Europe inoti kukosha kwekumanikidzwa kwakanaka kwakafanana ne1-3mm H20 (inenge 10~30Pa). Munyori anotenda kuti chiyero ichi chakakodzera zvakanyanya.
Nguva yekutumira: Kukadzi-13-2025