Alakaʻi Koho Huahana ERV / HRV
1. E koho i nā ʻano hoʻonohonoho kūpono e pili ana i ke ʻano o ka hale;
2. E hoʻoholo i ka ea hou e pono ai e like me ka hoʻohana, ka nui a me ka helu o nā kānaka;
3. E koho i nā kikoʻī kūpono a me ka nui e like me ke kahe ea hou i hoʻoholo ʻia.
Pono ka ea ma nā hale noho
ʻAno lumi | Puhi ʻole | Puhi iki | Puhi Puhi kaumaha | |||||
He mea maʻamau hale mālama | Hale haʻuki | Keaka & mall | Keena | kamepiula lumi | ʻAi ʻai lumi | VIP lumi | Halawai lumi | |
Ea hou pilikino hoʻohana (m³/h) (Q) | 17-42 | 8-20 | 8.5-21 | 25-62 | 40-100 | 20-50 | 30-75 | 50-125 |
Hoʻololi ea i kēlā me kēia hola (P) | 1.06-2.65 | 0.50-1.25 | 1.06-2.66 | 1.56-3.90 | 2.50-6.25 | 1.25-3.13 | 1.88-4.69 | 3.13-7.81 |
Laʻana
ʻO 60 sq. mika (S=60) ka ʻāpana o kahi lumi kamepiula, ʻo 3 mika ke kiʻekiʻe o ka ʻupena (H=3), a he 10 mau kānaka (N=10) i loko.
Inā helu ʻia e like me "Personal fresh air consumption", a manaʻo ʻia: Q=70, ʻo ka hopena ʻo Q1 =N*Q=10*70=700(m³/h)
Inā helu ʻia e like me "Hoʻololi ea i kēlā me kēia hola", a manaʻo ʻia: P=5, ʻo ka hopena Q2 =P*S*H=5*60*3=900(m³)
Mai ka Q2 > Q1, ʻoi aku ka maikaʻi o Q2 no ke koho ʻana i ka ʻāpana.
ʻO nā ʻoihana kūikawā e like me nā halemai (ka ʻoki a me nā lumi hānai kūikawā), nā labs, nā hale hana, pono e hoʻoholo ʻia e like me nā lula pili.