Zobrazeno 1 - 10
of 1 557
pro vyhledávání: '"unsteady state"'
Publikováno v:
Taiyuan Ligong Daxue xuebao, Vol 55, Iss 6, Pp 1020-1030 (2024)
[Purposes] The damage of rocks by thermal action is an extremely common natural and engineering phenomenon. [Methods] The evolution of thermophysical parameters of granite specimens of different sizes cooled in air at laboratory scale is studied from
Externí odkaz:
https://doaj.org/article/1ae1e2c20326487e8ae8b786d78ee5b0
Publikováno v:
Meikuang Anquan, Vol 55, Iss 9, Pp 110-117 (2024)
Accurately grasping the distribution and evolution law of coal spontaneous combustion temperature in goaf is a prerequisite for improving the prevention and control effect of coal spontaneous combustion. Taking the 15103 working face of Wenzhuang Coa
Externí odkaz:
https://doaj.org/article/5d05c7f356204588ace697c93c73a9c9
Publikováno v:
Youqi dizhi yu caishoulu, Vol 31, Iss 3, Pp 112-122 (2024)
Long horizontal wells and large-scale volumetric fracturing are key technologies for shale oil development. Due to reservoir characteristics and the fracturing scale， the optimal length of horizontal wells varies in different fields. It is necessar
Externí odkaz:
https://doaj.org/article/477e8431e2cb4165b8745d429b56c81c
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 1505-1517 (2024)
Vacuum induction-melting gas atomization (VIGA) is considered a widely applied method to prepare metal powders. However, the nozzle clogging problem in the VIGA process seriously affects the continuity of production and greatly increases the economic
Externí odkaz:
https://doaj.org/article/a42ff0e103c6445bba5e2814b5b20c08
Autor:
Judy P. Yang, I-Ting Liao
Publikováno v:
Journal of Applied and Computational Mechanics, Vol 10, Iss 2, Pp 272-286 (2024)
In this study, a meshfree framework based on the reproducing kernel collocation method is proposed for incremental-iterative analysis of double-diffusive natural convection in a porous enclosure, in which the forward difference method is adopted for
Externí odkaz:
https://doaj.org/article/6307123497c842b6af05260618769dd9
Publikováno v:
Heliyon, Vol 10, Iss 15, Pp e35397- (2024)
In this paper, anaerobic biodegradation process in a tubular bioreactor with an inner biofilm layer for steady-state and unsteady-state conditions are simulated. The effects of various parameters including bioreactor diameter, fraction of active biom
Externí odkaz:
https://doaj.org/article/fbbc4b07ba804cb5bacce41ebcc9cb5c
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 371-386 (2023)
A shale-gas reservoir possesses many complex characteristics, including coexisting free and adsorbed gases, a complex distribution of fractures, and the existence of movable water in these fractures. In this study, we improved the conventional discre
Externí odkaz:
https://doaj.org/article/e89582bfde6743fda121e3264ea12fe2
Publikováno v:
Zaštita Materijala, Vol 64, Iss 3, Pp 327-339 (2023)
2-dimensional mathematical model of axisymmetric transient industrial quenched low carbon steel bar, to examine the influence of process history on metallurgical and material characteristics, a water-cooled model based on the finite element technique
Externí odkaz:
https://doaj.org/article/37d1575cd93d4b84aab51dea897eb6cf
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 334, Iss 3, Pp 73-88 (2023)
The relevance of the research is caused by the need of alkenes production increase as well as deepening understanding of the coke formation. The direction of petrochemical complex development and increase of pyrolysis efficiency is resources-saving,
Externí odkaz:
https://doaj.org/article/26dc545d637644d48c4c3917267f73a5
Publikováno v:
South African Journal of Chemical Engineering, Vol 42, Iss , Pp 146-155 (2022)
Pyrolysis of various hydrocarbon feedstock is one of the key processes for production of monomers for polymer industry. During this process mixture of hydrocarbons is heated at high temperatures and in the absence of oxygen in furnace coil. However,
Externí odkaz:
https://doaj.org/article/1616328efb4b47d39419bd134c54a2d1