Zikafika pamafakitale akuluakulu,Mafani a High Volume Low Speed ​​(HVLS).ndi chisankho chodziwika bwino chopereka mpweya wabwino komanso kuziziritsa. Chimodzi mwazofunikira pakuzindikira mphamvu ya fani ya HVLS ndi CFM (Cubic Feet per Minute), yomwe imayesa kuchuluka kwa mpweya womwe zimakupiza zimatha kusuntha mphindi imodzi. Kumvetsetsa momwe mungawerengere CFM ya fani ya HVLS ndikofunikira kuti muwonetsetse kuti ikukulira molingana ndi malo omwe akuyenera kukhala.

Kuti muwerengere CFM ya fan ya HVLS, mutha kugwiritsa ntchito njirayi:CFM = (Dera la danga x Kusintha kwa Air pa Ola) / 60. Dera la dangandiye chiwonetsero chonse cha masikweya a dera lomwe zimakupiza zizikhala zikutumikira, ndikusintha kwa mpweya pa ola limodzindi kuchuluka kwa nthawi zomwe mukufuna kuti mpweya m'malowo ulowe m'malo ndi mpweya wabwino mu ola limodzi. Mukakhala ndi mfundo izi, mutha kuzilumikiza mu fomula kuti mudziwe CFM yofunikira pamalo.

WERENGANI CFM YA WOTSAMBA

Zikafika ku Apogee CFM, zimatanthawuza kuchulukira kwa CFM komwe wokonda HVLS angakwaniritse pa liwiro lake kwambiri. Mtengo uwu ndi wofunikira pakumvetsetsa mphamvu za fani ndikuzindikira ngati ingakwaniritse bwino mpweya wabwino komanso zoziziritsa za malo enaake. Ndikofunika kuganizira za Apogee CFM posankha choyimira cha HVLS kuti muwonetsetse kuti chikhoza kupereka mpweya wofunikira pa ntchito yomwe mukufuna.

Kuphatikiza pa chilinganizo chowerengera CFM, ndikofunikira kuganiziranso zinthu zina zomwe zingathekukhudza magwiridwe antchitowa zimakupiza HVLS, mongakamangidwe ka tsamba la fan, mphamvu zamagalimoto, ndi mawonekedwe a malo.Kuyika koyenera ndi kuyika kwa fani kungakhudzenso mphamvu yake yoyendetsa bwino mpweya mumlengalenga.

Pomaliza, kumvetsetsa momwe kuwerengeraCFM ya fan ya HVLSndizofunikira pakuwonetsetsa kuti kukula kwake kuli koyenera kuti tigwiritse ntchito.Poganizira za Apogee CFM ndi zinthu zina zomwe zingakhudze momwe zimakupiza zimagwirira ntchito zimathandizira kusankha choyimira choyenera cha HVLS kuti mpweya wabwino uziyenda komanso kuziziritsa m'malo akuluakulu ogulitsa mafakitale.