Ọkpụkpọ a kpụkọrọ akpụkọ bụ ụdị ọkpọkọ nwere oghere mgbe ọ tụgharịrị. A na-ahụkarị: ọkpọkọ okirikiri okirikiri, ọkpọkọ oval, wdg, a na-akpọ ya ọkpọkọ ọkpọkọ n'ihi na enwere ike ịhụ oghere doro anya na ngalaba nke ọkpọkọ ahụ. Ụdị ọkpọkọ a nwere ike ime ka mmiri ahụ na-agafe na mgbidi nke usoro mgbagwoju anya ndị a, na-emepụta ebe nkewa na-asọpụta, ma na-etolite vortices nwere ike na nha dị iche iche. Ọ bụ vortices ndị a na-agbanwe usoro nhazi nke mmiri ma mee ka ọgba aghara dị nso n'akụkụ mgbidi ahụ, ka ọ dịkwuo mma na convective okpomọkụ na-ebufe ihe nkiri ihe nkiri nke mmiri na mgbidi.

a. Rolling groove tube rolling groove tube bụ tụgharịa a kwụ ọtọ uzo ma ọ bụ gburugburu oghere na a ụfọdụ pitch na omimi si n'èzí nke okirikiri tube dị ka imewe chọrọ, na-etolite a protruding kehoraizin ọgịrịga ma ọ bụ gburugburu ọgịrịga na n'ime mgbidi tube. , dị ka e gosiri na Figure 1. Oghere dị na mgbidi dị n'èzí na nkwụsị na mgbidi dị n'ime nke ọkpọkọ ahụ nwere ike ime ka okpomọkụ dị n'akụkụ abụọ nke ọkpọkọ ahụ dịkwuo elu n'otu oge. Ọ na-adabara karịsịa maka ime ka ọkụ ọkụ na-ebufe mmiri nke otu nkeji na ọkpọkọ na-eme ka ikuku ikuku na-ekpo ọkụ na ihe nkiri mmiri na-esi na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ n'èzí nke ọkpọkọ na okpomọkụ.

b. Spiral grooved pipe nwere otu ngafe na multi pass spiral na ụdị ndị ọzọ. Mgbe emechara, enwere oghere nwere akụkụ okirikiri dị na mpụga ọkpọkọ spiral groove, ma enwere ọgịrịga convex kwekọrọ na ọkpọkọ ahụ. Oghere okirikiri ekwesịghị ịdị omimi. The miri uzo bụ, ukwuu eruba-eguzogide, ukwuu gburugburu gburugburu, na ukwuu okpomọkụ nyefe ihe nkiri ọnụọgụ nke grooved tube. Ọ bụrụ na mmiri ahụ nwere ike ịtụgharị n'akụkụ oghere ahụ, ọnụ ọgụgụ nke eriri na-enwe mmetụta dị nta na nnyefe ọkụ.

c. The cross grooved ọkpọkọ na-kpụrụ site variable cross-ngalaba na-aga n'ihu Rolling. N'èzí nke ọkpọkọ bụ a transverse uzo intersecting ọkpọkọ axis na 90 Celsius, na n'ime nke ọkpọkọ bụ a transverse convex ọgịrịga. Mgbe mmiri mmiri na-agafe na eriri convex na ọkpọkọ, ọ naghị emepụta ihe na-agbagharị agbagharị, ma na-emepụta ìgwè vortex axial n'akụkụ akụkụ ahụ dum, iji mee ka nnyefe ọkụ sikwuo ike. The cross threaded tube nwekwara nnukwu ike mmetụta na film esi okpomọkụ nyefe nke mmiri na tube, nke nwere ike dịkwuo esi okpomọkụ nyefe ọnụọgụ site 3-8 ugboro.