Renewable natural raw materials are the basis for the production of multifunctional biopolymer reagent systems for use in oilfield chemistry

Autor: Loginova, Marianna Evgenievna, Chetvertneva, Irina Amirovna, Movsumzade, Eldar Mirsamedovich, Akhtyamov, Eric Kasimovich, Chuyko, Egor Valerievich

Publikováno v: Известия Томского политехнического университета
Bulletin of the Tomsk Polytechnic University

Актуальность исследования обусловлена необходимостью использования как невозобновляемых, так и возобновляемых природных ресурсов дл�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5a34e9e35246ea325e34f47f06bc866
http://earchive.tpu.ru/handle/11683/75030

A numerical solution for the entrance region of non-newtonian flow in annuli

Autor: M.C.A. Maia, C.A. Gasparetto

Publikováno v: Brazilian Journal of Chemical Engineering v.20 n.2 2003
Brazilian Journal of Chemical Engineering
Associação Brasileira de Engenharia Química (ABEQ)
instacron:ABEQ
Brazilian Journal of Chemical Engineering, Volume: 20, Issue: 2, Pages: 201-211, Published: JUN 2003
Brazilian Journal of Chemical Engineering, Vol 20, Iss 2, Pp 201-211 (2003)

Continuity and momentum equations applied to the entrance region of an axial, incompressible, isothermal, laminar and steady flow of a power-law fluid in a concentric annulus, were solved by a finite difference implicit method. The Newtonian case was

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fff8d12d38f334057d62ce09e1cd66b9
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322003000200014

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