Zobrazeno 1 - 10
of 100
pro vyhledávání: '"Pressure attenuation"'
Autor:
LI Qing'an, WANG Ke, FAN Wei, YANG Hai, HAN Junde, HUANG Ke, KANG Jian, GAO Yaqing, JIANG Yumin
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 41, Iss 6, Pp 1125-1133 (2023)
The backflow and back-pressure propagation induced in a pulse detonation combustor (PDC) are the main factor in causing the thrust losses of a pulse detonation engine. In order to suppression the backflow propagation of a PDC, the aero-dynamic suppre
Externí odkaz:
https://doaj.org/article/3b7d0d8ab4324203b8c20821eb569508
Autor:
Liang-quan Wang, De-ren Kong
Publikováno v:
Defence Technology, Vol 24, Iss , Pp 340-348 (2023)
There are great differences in the distribution characteristics of shock waves produced by ammunition explosions at different altitudes. At present, there are many studies on plain explosion shock waves, but there are few studies on the distribution
Externí odkaz:
https://doaj.org/article/372923c781b441d68c2e5ef7a5eb8403
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 14, Iss 5, Pp 1461-1469 (2022)
The accurate evaluation of pore pressure and injected volume is crucial for the laboratory characterization of hydromechanical responses of rock fractures. This study reports a series of laboratory experiments to systematically demonstrate the effect
Externí odkaz:
https://doaj.org/article/27d45d5dfb0d467eb20175f30a1fda20
Publikováno v:
Journal of Hydroinformatics, Vol 24, Iss 5, Pp 1020-1052 (2022)
Based on the MOC (Method of Characteristics), the applicabilities of both the elastic models of the SF (Steady Friction), the CB-UF (Convolution-Based Unsteady Friction) and the MIAB-UF (Modified Instantaneous Acceleration-Based UF), and the viscoela
Externí odkaz:
https://doaj.org/article/31718fdcd0024a2dbd0fc43b8deaab74
Development of Grouting Test System for Rough Fissure Rock Body and Research on Slurry Diffusion Law
Publikováno v:
Applied Sciences, Vol 14, Iss 1, p 47 (2023)
The surface roughness of grout in fractured rock masses has a significant impact on the diffusion characteristics of grout, especially in millimeter-scale fractures. In this study, a self-constructed experimental system for grouting in rough fracture
Externí odkaz:
https://doaj.org/article/56b0d7b5065046ffa9e20c8918657f28
Publikováno v:
Water Supply, Vol 22, Iss 3, Pp 3387-3398 (2022)
The quasi-steady friction model is generally adopted in water hammer simulation in pipe network systems, which cannot accurately reflect the attenuation of pressure, while the existing unsteady friction model is challenging to use in complex pipe net
Externí odkaz:
https://doaj.org/article/631f9c1e28904f12954ab67eae741d53
Akademický článek
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Publikováno v:
IEEE Access, Vol 9, Pp 87173-87181 (2021)
High-voltage pulse discharge in water is a promising technology to enhance the permeability of coal seam and rock mass by generating fractures within them. With the aim of improving the stability and efficiency of this technology, a high voltage elec
Externí odkaz:
https://doaj.org/article/e409d35ddab24486acdf87b6478626f3
Publikováno v:
Land, Vol 12, Iss 1, p 161 (2023)
Molar diffusion mechanism is generally considered to be the main physical process of gas transport at the soil–atmosphere interface. However, the advection mechanism in porous medium can considerably affect soil gas transport. Barometric pressure f
Externí odkaz:
https://doaj.org/article/8d4361a8f45b4c75ad6fd36bbcde1fb5
Akademický článek
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K zobrazení výsledku je třeba se přihlásit.
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