Ihame ry'imikorere ya valve y'umupira riratangizwa

Ihame ry'imikorere ya valve y'umupira ni ukugera ku ntego yo gufungura cyangwa gufunga valve binyuze mu kuzunguruka ibice by'ifungura n'ifunga (spheres) ku ruhande rw'umurongo w'inyuma w'icyuma. By'umwihariko, iyo umugozi cyangwa icyuma kizunguruka, valve izazunguruka umupira nayo. Iyo umuyoboro w'imbere w'umupira ugereranije n'umuyoboro w'isohoka n'injira ry'icyuma, valve iba iri mu mwanya ufunguye neza, kandi icyuma gishobora kunyura neza.

Iyo umupira uzungurutse dogere 90, ku buryo umuyoboro wawo w'imbere n'umuyoboro w'ingufu usohoka n'aho usohoka bihagaze cyangwa bigahagarara, imvange iba ifunze neza, icyuma ntigishobora kunyura. Muri ubwo buryo, mu kuzunguruka umubumbe, imvange ishobora gufungurwa no gufungwa kugira ngo igenzure urujya n'uruza rw'icyuma.