Pipe e kentsoeng ke mofuta oa phala e nang le groove ka mor'a ho bilika. E tloaelehileng: phala e chitja ea grooved, oval grooved pipe, joalo-joalo e bitsoa pipe ea grooved hobane groove e totobetseng e ka bonoa karolong ea phala. Peipi ea mofuta ona e ka etsa hore mokelikeli o phalle leboteng la merusu ena, e hlahise libaka tsa karohano ea phallo, 'me e thehe li-vortices tse nang le matla le boholo bo fapaneng. Ke li-vortices tsena tse fetolang sebopeho sa phallo ea mokelikeli le ho eketsa moferefere haufi le lerako, e le ho ntlafatsa convective mocheso o fetisang filimi coefficient ea mokelikeli le lebota.

a. Rolling groove tube rolling groove tube ke ho pitikisa groove e tshekaletseng kapa spiral groove e nang le sekontiri se itseng le botebo ho tsoa kantle ho tšupu e chitja ho ea ka litlhoko tsa moralo, ebe e theha likhopo tse tšekaletseng tse tšekaletseng leboteng le kahare la tšupu. , joalo ka ha ho bontšitsoe setšoantšong sa 1. Sekhahla se leboteng le ka ntle le lerako le ka hare la phala le ka ntlafatsa. phetiso ya mocheso ya lero ka mahlakoreng a mabedi a phaephe ka nako e le nngwe. Ho ke ke haholo-holo a loketse bakeng sa ho matlafatsa phetiso mocheso oa mokelikeli o le mong-mohato phala le ho matlafatsa mouoane condensation le mokelikeli filimi a phehile mocheso phetiso ea mokelikeli ka ntle phala ka mocheso exchanger.

b. Spiral grooved pipe e na le pass single le multi pass spiral le mefuta e meng. Ka mor'a ho thehoa, ho na le groove e nang le lehlakoreng le itseng la spiral ka ntle ho phaephe ea spiral groove, 'me ho na le likhopo tse lumellanang le phala. The spiral groove ha ea lokela ho teba haholo. Ha groove e tebile, ho na le khanyetso e kholo ea phallo, e kholoanyane ea spiral angle, 'me e kholoanyane filimi e fetisang mocheso ea coefficient ea grooved tube. Haeba mokelikeli o khona ho potoloha ka har'a groove, palo ea likhoele e na le phello e fokolang ho fetisa mocheso.

c. Pipe e entsoeng ka sefapano e thehoa ka ho feto-fetoha ha likarolo tse fapaneng ho tsoelang pele. Ka ntle ho phala ke groove e pota-potileng e phunyeletsang phala ea 90 °, 'me ka hare ho phala ho na le likhopo tse hlabang. Ka mor'a hore phallo ea metsi e fete ka har'a likhopo tsa convex ka pipe, ha e hlahise phallo ea spiral, empa e hlahisa lihlopha tsa axial vortex hammoho le karolo eohle, e le ho matlafatsa ho fetisa mocheso. The cross threaded tube e boetse e na le phello e matla e matlafatsang filimi e belang mocheso oa phetisetso ea mokelikeli ka har'a tube, e ka eketsang mocheso o belang oa mocheso ka makhetlo a 3-8.