Vim li cas Alaska pipeline zigzag?
Vim li cas Alaska pipeline zigzag?

Video: Vim li cas Alaska pipeline zigzag?

Video: Vim li cas Alaska pipeline zigzag?
Video: How The Alaska Pipeline Transformed America's Last Frontier 2024, Kaum ib hlis
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Piv txwv li, Trans- Alaska Pipeline System tau bult nyob rau hauv a zig zag qauv tso cai rau cov yeeb nkab kom nthuav dav thiab cog lus raws li qhov kub thiab txias hloov. Cov yeeb nkab tuaj yeem sib sau ua ke hauv qhov txias txias thiab tom qab ntawd ua kom sov los ntawm cov roj, lossis nthuav dav thiab cog lus vim tias qhov kub ntawm lub caij hloov.

Tib neeg kuj nug tias, yog vim li cas Alaska pipeline saum av?

Cov raj xa dej nyob rau hauv faus nyob rau hauv tej qhov chaw tshwj tsis yog qhov twg muaj permafrost, ces tus raj xa dej yog saum av . Cov raj xa dej tau tsim nyob rau hauv tus qauv zigzag kom nws hloov tau yog tias xav tau, zoo li thaum muaj av qeeg. Muaj ntau tshaj li 800 tus dej thiab kwj hla hla thiab peb lub roob uas lub raj xa dej ntoo khaub lig.

Ib tug kuj nug, puas yog Alaska pipeline tseem siv? Tom qab plaub xyoos ntawm kev tsim khoom, nws tau nyuaj dua los tso cov roj tawm ntawm Prudhoe Bay. Lub teb tau poob qis txij li nruab nrab-1990s. Tus nqi ntawm cov roj ntws los ntawm 800-mais trans- Alaska pipeline Txhua hnub tam sim no yog kwv yees li ib feem peb ntawm qhov nws nqa ntawm nws qhov siab tshaj plaws hauv xyoo 1980s.

Tsis tas li ntawd, cov kav dej twg coj lub zog los ntawm Alaska mus rau Asmeskas?

Trans-Alaska Pipeline System

Vim li cas cov kav dej roj muaj qhov khoov?

Cov khoov yog tsim nyog los them rau cov thermal expansion hauv steel kav thiab yog hu ua "Expansion loops". Cov loops yog kuj tseem yuav tsum tau muab qhov chaw siab siab (kom tsis txhob muaj lub hnab ntim vapor) thiab cov dej ntws qis kom ntseeg tau cov kua dej, thaum xav tau.

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