Kupu WhakatakiKa whakatikatikahia e te ngongo korehau Hikelok ngā hononga pūmau i roto i ngā mahi korehau, i ngā mahi pēhanga iti rānei. I te wā tāutanga, ka taea te pēhi i ngā ngongo piko kia 15% te iti rawa, te whakaroa rānei kia 50% o te roa kua hangaia.
Ngā ĀhuatangaNgongo kowiri tira whakapikoTe pāmahana mahi mai i te 70°F ki te 1000°F (20°C ki te 537°C)Whakatauranga Pēhanga: 1/4 inihi te whānui o waho o te ngongo? he tino teitei te korehau (10–9 torr) ki te 100 psig (6.8 pae)Whakatauranga Pēhanga: 3/8 ki te 1 1/2 inihi te whānui o waho o te ngongo - tino teitei te korehau (109 torr) ki te 25 psig (1.7 pae)Ngā rahi ngongo mai i te 1/4 ki te 1 1/2 inihiNgā huihuinga paerewa me ngā huihuinga roa-rite
Ngā PaingaKua whakamātauhia te turuturu o te helium i roto i ia hua ngongo korehau kia tae ki te tere turuturu mōrahi o te 1.8 10–7 cm3/s i te taupoki.
Kōwhiringa AnōNgongo whakarewa whiriwhiri (MF1), ngongo PTFE-raina (PH1) me te ngongo kowiri tira (MT/FT)