Ukuze uzizwe ukhululekile futhi ukhululekile ekhaya lakhe futhi ujabulele umoya ohlanzekile, kudingeka umoya osezingeni eliphezulu kanye nohlelo lokufaka umoya. Kungenzeka kuphela uma uhlelo luhlinzekwa ngokugeleza kwe-oksijini ejwayelekile.
Uhlelo lwe-ventiration air pucts: 1 - fan; 2 - Diffuser; 3 - Ukudideka; 4 - Isiphambano; 5 - Tee; 6 - Ukususwa; 7 - Ukunwetshwa okungazelelwe; 8 - ama-valves-flaps; 9 - Idolo; 10 - Ukuncipha okungazelelwe; 11 - AmaLatices aguqukayo we-lolly; 12 - I-nozzle yezindiza yomoya.
Ngokushintshaniswa komoya okulungile ohlelweni, ukubalwa kwe-aerodynamic of air ducts kuyadingeka ekwakhiweni kwesistimu kohlelo lokungena komoya.
Umoya ohamba eziteshini zokungena komoya uthango uthathwa njengoketshezi olungathandeki. Lokhu kucatshangwa kungenzeka, ngoba ingcindezi enkulu ayidaliwe emithonjeni yomoya. Ingcindezi yenziwe ngengxabano ye-air mass endaweni yesiteshi, kanye nalapho ukwenziwa kwendawo kwenzeka, lapho ukwenyuka kwalo ekuguqukeni nasekunqandeni kwamapayipi, lapho ububanzi besiteshi sokungenayo buguqulwa, noma Ezindaweni zokufaka zamadivayisi wokulawula.
Ukubalwa kwe-aerodynamic kufaka phakathi izincazelo zosayizi bezigaba zazo zonke izindawo zenethiwekhi yokupholiselana, eqinisekisa ukuhamba kwesisindo somoya. Ngaphezu kwalokho, kuyadingeka ukuthola ukuthi kukhishwe ukuphuma lapho kuhamba khona izicubu zomoya.
Isikimu sokwenza umoya omncane wemvelo.
Njengombukiso wokuzijwayeza, kwesinye isikhathi kubalwa, amanye amanani abhalwe phansi asevele waziwa. Izimo ezilandelayo zitholakala:
- Ingcindezi yaziwa, kuyadingeka ukubala isigaba sesiphambano samapayipi ukuze uqinisekise ukunyakaza kwenani elidingekayo le-oksijini. Lesi simo sibonisa izinhlelo zomoya omncane, lapho ingcindezi elahlekile ingenakushintshwa.
- Ingxenye yesiphambano yeziteshi kunethiwekhi yaziwa, kuyadingeka ukubala ingcindezi edingekayo ukuhambisa inani elidingekayo legesi. Isici salawo masistimu wokungena komoya azokwethula izigaba ezingezona ezivela ezicini zezobuchwepheshe noma zobuchwepheshe.
- Akukho okuhlukahluka okungaziwa, ngakho-ke kuyadingeka ukubala isigaba sesiphambano kanye nengcindezi kuhlelo lokungena komoya. Lesi simo sivame kakhulu esakhiweni sendlu.
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I-Aerodynamic Plaes Technique
Cabanga ngendlela ephelele yokubalwa kwe-aerodynamic engcindezi nasezigabeni ezingaziwa. Ukubalwa kwe-aerodynamic kwenziwa ngemuva kwenani elidingekayo le-Air Mass kunqunywe, okufanele kudlule kwinethiwekhi yomoya, kanye nendawo eseduze yohlelo lwe-AIRCASE lwenzelwe.
Umjikelezo wohlobo oluthile oluxubile.
Ukubalwa, uhlelo lwe-axononcetric luyadonswa, lapho uhlu nobukhulu bazo zonke izinto zohlelo kukhonjisiwe. Ngokwesistimu yokupholisa umoya, ubude bemigqa yomoya bunqunywa. Okulandelayo, uhlelo lwe-air ducts luhlukaniswe ngezigaba ezinobunzima, lapho ukuhamba komoya kunqunywa ngokwahlukana. Ukubalwa kwe-aerodynamic kwenziwa ngendawo ngayinye efanayo yenethiwekhi, lapho kukhona ukusetshenziswa njalo kanye nomoya. Yonke imininingwane ebaliwe isetshenziswa kwisikimu se-axononcetric, ngemuva kwalokho okukhethiwe komgwaqo omkhulu.
Ukuthola ijubane eziteshini
Njengomgwaqo omkhulu omkhulu, uchungechunge olunwetshiwe kakhulu lwezingxenye ze-serial zohlelo olukhethiwe, ezibalwa kusuka kude. Amapharamitha wesiza ngasinye (inombolo, ubude bendawo, ukusetshenziswa komoya) kubhalwe etafuleni lokubala. Emva kwalokho, khetha ukwakheka kwesigaba sesiphambano bese ubala ubukhulu bezigaba.
Indawo ephambanisa nesigaba somugqa womgwaqo omkhulu ibalwa ngefomula:
FP = LP / VT,
lapho i-FP iyindawo yesigaba sesigaba, m2; I-LP - Ukusetshenziswa komoya esizeni, m3 / s; I-VT - Ijubane lokunyakaza kwegesi kwisakhiwo, M / S. Ijubane lokunyakaza linqunywa ukucatshangelwa komsindo wohlelo lonke nokucatshangelwa komnotho.
Isikimu sokuphefumula ekhaya.
Ngokusho kwesigaba esitholwe esinqunyelwe, i-duct yosayizi ojwayelekile ikhethiwe, lapho isigaba sangempela sesiphambano (i-FF) siseduze nesokubala.
Ngokusho kwendawo yangempela, ijubane lokunyakaza libalwa esizeni:
VF = LP / FF
Ngokusekelwe kulelijubane, amatafula akhethekile abala ukwehla kwengcindezi ezindongeni zezindiza. Ukumelana kwendawo kunqunywa kwisiza ngasinye futhi kufingqiwe ngenani elijwayelekile. Inani lokulahleka ngenxa yokuphikiswa kanye nokumelana kwasendaweni inani eliphelele lokulahleka kunethiwekhi yomoya yomoya, elibhekwa ukubala inani elidingekayo lesisindo somoya ezitekelweni zomoya.
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Ukubalwa kwengcindezi emgaqweni omkhulu
Ukucindezela okulahlwayo kwesiza ngasinye somgwaqo omkhulu kubalwa ngefomula:Dpe = h * g (PH-PB),
lapho i-dpe ingcindezi yemvelo elahlekayo, i-PA; H - Umehluko emamaki ocingo uthango nomlomo wemayini, m; Ph ne-PB - Ubukhulu begesi ngaphandle nangaphakathi nendawo umoya, ngokulandelana, kg / m3.
Ubuningi obuvela ngaphandle nangaphakathi bunqunywa amatafula werethavu ngokususelwa ekushiseni okungaphandle nangaphakathi. Imvamisa, izinga lokushisa elingaphandle lithathwa njenge-5 ° C, kungakhathalekile ukuthi indawo yokwakha itholakala kuphi. Uma izinga lokushisa langaphandle liphansi, umjovo ohlelweni uyakhuphuka, okuholela ekwedlule ivolumu yomoya ongenayo. Uma izinga lokushisa langaphandle liphezulu, ingcindezi ohlelweni iyancishiswa, kepha lesi simo sinxephezelwa ngama-vents avulekile noma amawindi.
Umsebenzi oyinhloko wokubalwa kwe-aerodynamic ukukhethwa kwezinto ezinjalo zomoya lapho ukulahleka (Σ (r * l * β + z)) kuzolingana noma ngaphansi kwe-DPE yamanje:
Σ (r * β + z) ≤ dpe,
lapho r ukulahlekelwa kokungqubuzana, P / m; L ubude bendawo, m; β - Coeffeed odongeni odongeni odongeni; Z - Ukunciphisa isilinganiso segesi kusuka ekumelaneni kwasendaweni.
Inani le-roughness β lincike kokuqukethwe okwenziwa yizo iziteshi.
| Isivinini, m / s | I-Duct Ebonakalayo | |||
| Ama-shagohyds. | I-Slagobeton | isitini | I-Stucco kugridi | |
| 0.4. | I-1.08. | 1,11 | 1.25. | 1,48. |
| 0.8. | 1,13 | 1,19 | 1,4. | 1,69. |
| 1,2 | 1,18 | 1.25. | 1.5 | 1,84. |
| 1,6 | 1,22 | 1,31 | 1,58. | 1,95 |
Isitoko sinconyelwe ukuba sibhekwe kusuka ku-10 kuye ku-15%.
Ukubalwa kwe-generaly aerodynamic
Ekubalweni kwe-aerodynamic, wonke amapharamitha wezimayini zomoya omncane abhekwa:
- Ukugeleza komoya l, m3 / h.
- Ububanzi be-duct d, mm, ebalwa yifomula: D = 2 * A * B / (A + B), lapho usayizi weSiteshi Sokuwela isiteshi, mm.
- Isivinini v, m / s.
- Ukulahleka kwengcindezi kwengxabano r, p / m.
- Ingcindezi enamandla P = DPE2 / 2.
Izibalo zenziwa ngesiteshi ngasinye ngokulandelana okulandelayo:
- Indawo yesiteshi esidingekayo iyanqunywa: f = l / (3600 * vrek), lapho f - indawo, m2; I-VREK yijubane elinconywe le-Air Mass, m / s (ithathwe lilingana no-0.5-1 m / s eziteshini kanye ne-1-1,5 m / s ngezimayini).
- Isigaba se-Standard Cross sikhethiwe, eduze kwaK.
- Ububanzi obulinganayo be-duct D bunqunywa.
- Kusetshenziswa amatafula akhethekile nama-nomograms we-L no-D, ukwehla kwe-R, ijubane v nengcindezi P. kunqunywe.
- Ngokuya ngamatafula ama-coefficients wokuzwela endawo, ukwehla kwe-oxygen kunqunywa ngenxa yokumelana kwasendaweni kukaZ.
- Ukulahleka okuphelele kuzo zonke izindawo kunqunywe.
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Uma ukulahleka okuphelele kuncane kunengcindezi yamanje, lolu hlelo lokungena komoya lungabhekwa njengempumelelo. Uma ukulahleka kuningi, isidashini esishisayo singafakwa kuhlelo lokungena komoya, ongaphetha ngengcindezi eyeqile.
Uma uhlelo lokungena komoya omncane lusebenza amakamelo amaningana lapho ingcindezi ehlukile idingeka khona-ke lapho kubalwa, kuyadingeka futhi ukubheka inani eliseceleni noma lokukhipha, elingezwe kwinani lokulahleka okuvamile.
Ukubalwa kwe-aerodynamic kuyindlela edingekayo ekwakhiweni kohlelo lokungena komoya. Ibonisa ukusebenza kahle kwamakamelo okuphefumula osayizi beziteshi ezicacisiwe. Umsebenzi wokupholisa umoya osebenzayo uhlinzeka induduzo yokuhlala kwakho.