Exhaust hood cheb tsev

Unfolding qauv ntawm ib exhaust hood nyob rau hauv daim ntawv ntawm ib truncated pyramid

X - Width ntawm sab puag.
Y - Qhov siab ntawm lub pyramid.
F - ntev ntawm puag.
E - Tus width ntawm puag puag.
G - Qhov ntev ntawm lub ntsej muag tom qab lub ntsej muag ntawm lub pyramid. Apothem.
U - Lub kaum sab xis ntawm inclination ntawm lub pyramid.

Hauv internet calculation capabilities.

Lub calculator pub koj laij cov parameters ntawm ib tetrahedral truncated pyramid nrog ib rectangular puag. Qhov no yog pab tau rau calculating exhaust hoods rau ventilation, hood hood rau chav ua noj los yog barbecue, los yog hood rau chimney pipe.

Yuav siv cov lus teb.

Xaiv cov dimensions uas cov lus teb yuav tau ua. Nyem lub laij khawm.