Li-tubes tsa tšepe tse se nang moroallo le tse cheselitsoeng li bapala karolo ea bohlokoa e le likarolo tsa mantlha tsa indasteri ea sejoale-joale.
Litlhaloso tsa li-tubes tsena li hlalosoa haholo ke bophara ba bokantle (OD), botenya ba lebota (WT) le bolelele (L), ha ho baloa boima ba tube ea tšepe ho ipapisitsoe le liparamente tsena tsa dimensional hammoho le density (ρ) ea thepa. .Bakeng sa moralo oa morero, taolo ea litšenyehelo le thepa, palo e nepahetseng ea boima ba phala ea tšepe e bohlokoa.Sengoliloeng sena se fana ka mekhoa e meraro ea ho bala boima ba li-tubing tsa tšepe mme se bonts'a mokhoa oa ho li sebelisa ka mehlala e sebetsang.
Palo ea Motheo ea Boima ba Pipe
Boima ba phala ea tšepe bo ka hakanngoa ka ho bala molumo oa eona o atolositsoeng ke boima ba tšepe.
Bakeng sa liphaephe tse chitja tsa tšepe (ho kenyeletsoa seamless lelipeipi tsa tšepe tse cheselitsoeng), boima bo baloa ka tsela e latelang:
Boima ba 'mele(kg)=×(OD2-(OD-2×WT)2)×L×ρ
ODke bophara bo ka ntle ba phala ea tšepe ka limithara (m);
WTke botenya ba lebota la phala ea tšepe ka limithara (m);
Lke bolelele ba phala ea tšepe ka limithara (m);
ρke letsoalo la tšepe, bakeng sa tšepe e tloaelehileng ea carbon, e ka bang 7850kg/m3.
Algorithm e nolofalitsoeng: likarolo tsa borena
Boima ba 'mele(lb/ft)=(OD (ka)−WT (ka))×WT (ka)×10.69
moo 10.69 e leng ntlha e baloang ho tloha ho teteaneng ea tšepe le phetoho ea yuniti e sebelisetsoang ho fetola litekanyo ho tloha ho lisenthimithara ho ea ho lik'hilograma ka leoto la bolelele.
Lipalo tsa Mohlala
Ho nka karolo eaERW peipi ea tšepeka bophara ba ka ntle ba lisenthimithara tse 10 le botenya ba lebota ba lisenthimithara tse 0.5, bala boima ba leoto ka bolelele: Boima (lb/ft) = (10-0.5) x 0.5 x 10.69
Boima ba leoto ka bolelele ba phala ena ea tšepe ke lik'hilograma tse 50.7775.
Algorithm e nolofalitsoeng: metric units
Boima ba 'mele (kg)=(OD−WT)×WT×L×0.0246615
OD ke bophara bo ka ntle ba phala ea tšepe, ka limithara (mm);
WT ke botenya ba lebota la phala ea tšepe ka limithara (mm);
L ke bolelele ba tube ka limithara (m);
0.0246615 e ipapisitse le boima ba tšepe (hoo e ka bang 7850 kg/m³) le ntlha ea phetoho ea yuniti.
Lipalo tsa Mohlala
Ha re re re na le aphala ea tšepe e se nang moroaloka bophara ba ka ntle ba 114.3 limilimithara, lerako botenya ba 6.35 limilimithara, le bolelele ba 12 m.Bala boima ba phala ka mokhoa o bonolo o ka holimo:
1. Bala phapang pakeng tsa bophara le botenya ba lerako: 114.3 - 6.35 = 107.95.2.
2. Bala boima ka ho fetola foromo: 107.95 × 6.35 × 12 × 0.0246615.3.
3. Sephetho ke: 202.86
Ka hona, boima bohle ba phala ke hoo e ka bang 202,86 lik'hilograma.
Li-coefficients 10.69 le 0.0246615 ka foromo li itšetlehile ka boholo ba tšepe ea tšepe.Mefuta e fapaneng ea tšepe (mohlala, tšepe e sa hloekang, tšepe ea alloy, joalo-joalo) e ka ba le litšepe tse fapaneng 'me lintlha li tlameha ho lokisoa ka nepo.
Lipalo tsena li fana ka khakanyo ea boima baseamlessle lithapo tsa tšepe tse cheselitsoeng.Ka lebaka la ho fapana ha matla a thepa, mamello ea tlhahiso, le lintlha tse ling, boima ba 'nete bo ka fapana.
Boima ba 'nete bo ka fapana ho ea ka mamello ea tlhahiso le boima ba thepa, kahoo foromo ena ke khakanyo.Bakeng sa palo e nepahetseng ea boima ba 'mele, ho kgothaletswa hore o bue ka data e fanoeng ke moetsi kapa hore o nke litekanyo tsa sebele.
Bakeng sa lipalo tse nepahetseng tsa boenjiniere kapa mantsoe a qotsitsoeng khoebong, ho khothaletsoa hore ho sebelisoe lintlha tse qaqileng haholoanyane kapa ho iteanye le bafani ba liphaephe tsa tšepe bakeng sa tlhahisoleseding e nepahetseng ea boima ba 'mele.
Lipalo tsa boima ba liphaephe ke karolo ea motheo ea moralo oa boenjiniere le taolo ea litšenyehelo, le kutloisiso e nepahetseng le ts'ebeliso ea lipalo tsena Mokhoa ona oa ho bala o sebetsa ho phaephe ea tšepe e se nang seam e nang le botenya ba lebota bo batlang bo le tšesaane.Tabeng ea li-tubing tsa tšepe tse teteaneng haholo, ho ka 'na ha hlokahala hore ho nahanoe ka lipalo tse rarahaneng.
tags: boima ba phala, phala ea tšepe, e se nang seam, e cheselitsoeng.
Nako ea poso: Feb-27-2024