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Murat Gulen and Havvanur Kilic
In this study, full-scale laboratory tests were conducted on a 315 mm diameter HDPE pipe under shallow buried and localised surface loading conditions to investigate the effects of pipe deflection and arching on stress distribution and the lateral earth ...
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Ming Lei, Jin Chang, Jianqing Jiang and Rui Zhang
The aim of this paper is to clarify the negative pressure distribution in drainage structures of soft foundations reinforced by vacuum preloading. The focus of this study was an actual engineering project, the Beijing?Shanghai high-speed railway; four di...
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Ji-Yong Jung and Jung-Ja Kim
A rollator, one of the most widely used among walking assistance devices, can assist the elderly with stable walking in their daily lives. In this study, we investigated how the structural characteristics of two types of rollators affect the upper and lo...
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Haibo Wang, Wenqing Xu, Bing Cheng and Qi Zong
To study the particle size distribution and energy variation law of hard coal under a load, an impact compression test of hard coal specimens under different impact loading conditions was carried out using a F50 mm diameter Separate Hopkinson Press Bar (...
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Ivelina Zlateva, Petya Ivanova, Nina Dzhembekova, Valentina Doncheva, Ivan Popov, Violeta Slabakova, Yordan Raev, Violin Raykov and Dimitar Dimitrov
The present study examined the genetic diversity and spatial distribution of turbot (Scophthalmus maximus), an economically important species on the Bulgarian Black Sea coast. Maximum entropy (MaxEnt) modeling software Version 3.4.4. was utilized to deve...
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Lulu Zhai, Chao Lu, Jia Guo, Zuchao Zhu and Baoling Cui
Multistage pumps with blade-type guide vanes are widely used in offshore oil production, the petrochemical and coal-chemical industries, and nuclear power fields for its advantages of large flow rate, high pressure, and excellent operation stability. How...
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Guojun Wang, Qianjin Yue, Dayong Zhang, Yanghua Fu, Xin Peng and Rui Dong
When sea ice acts on vertical structures, there are much higher pressures in localized areas known as high-pressure zones (HPZs) than in other areas. The damage failure mode of sea ice varies with the sea ice velocity and affects the distribution of HPZs...
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Guoqing Jin, Zhe Sun, Zhi Zong, Li Zou and Yingjie Hu
A novel technique based on conformal mapping and the circle theorem has been developed to tackle the boundary penetration issue, in which vortex blobs leak into structures in two-dimensional discrete vortex simulations, as an alternative to the tradition...
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Hoki Ban, Seungjun Roh and Won-Jun Park
Numerous factors affect the soil pressure distributions around buried pipes, including the shape, size, and stiffness of the pipe, burial depth, and the stiffness of the surrounding soil. Additionally, to some extent, a pipe can benefit from the soil arc...
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R. I. Peinador, José I. Calvo and Roger Ben Aim
Membrane characterization.
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Saeed Jamei, Adi Maimun, Rasul Niazmand Bilandi, Nor Azwadi, Simone Mancini, Luigi Vitiello and Maria De Carlini
Flow structure is a crucial point for the conceptual design of Wing-in-Ground effect (WIG) crafts. In this study, pressure distributions around a compound wing, velocity and the turbulent intensity distribution in the wake area after trailing of the wing...
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Tilman Raphael Schröder, Hans-Josef Dohmen, Dieter Brillert and Friedrich-Karl Benra
In the side-chambers of radial turbomachinery, which are rotor?stator cavities, complex flow patterns develop that contribute substantially to axial thrust on the shaft and frictional torque on the rotor. Moreover, leakage flow through the side-chambers ...
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Titi Sui, Yu Jin, Zhaojun Wang, Chi Zhang and Jian Shi
The seabed is usually non-homogeneous in the real marine environment, and its response to the dynamic wave loading is of great concern to coastal engineers. Previous studies on the simulation of a non-homogeneous seabed response have mostly adopted a ver...
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Xiuhai Wang, Chaoqi Zhu and Hongjun Liu
Geological disasters of seabed instability are widely distributed in the Yellow River Delta, posing a serious threat to the safety of offshore oil platforms and submarine pipelines. Waves act as one of the main factors causing the frequent occurrence of ...
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Dongwoo Nam, Miyeon Kwon, Juhea Kim and Bummo Ahn
Harnesses can be used in various applications, such as entertainment, rescue operations, and medical applications. Because users are supported on the harness for a long time, they should feel comfortable wearing the harnesses. However, existing commercia...
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Carlo Ciaponi and Enrico Creaco
This paper presents the comparison of five pressure-driven formulations in the context of water distribution network (WDN) modelling. These formulations, which relate nodal outflow q to users to demands d and nodal pressure heads h, were implemented insi...
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Enrico Creaco
This paper explores numerically the benefits of water discharge prediction in the real time control (RTC) of water distribution networks (WDNs). An algorithm aimed at controlling the settings of control valves and variable speed pumps, as a function of p...
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Luis G. Castillo, Juan T. García and José M. Carrillo
The study analyzes the flow over bottom racks made of longitudinal T-shaped bars. A clear water flow is considered in a laboratory flume. Free surface profiles, wetted rack lengths, and discharge coefficients are measured, changing parameters such as lon...
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Luis G. Castillo, Juan T. García, José M. Carrillo
Pág. 1 - 22
The study analyzes the flow over bottom racks made of longitudinal T-shaped bars. A clear water flow is considered in a laboratory flume. Free surface profiles, wetted rack lengths, and discharge coefficients are measured, changing parameters such as lon...
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Jihong Xia, Genting Yu, Junqiang Lin, Weijie Cao, Zihan Yi, Lihuai Lin, Laounia Nehal
Pág. 1 - 13
A curved riparian zone can create highly complex flow patterns that have a great effect on erosion, pollutant transport, surface water-groundwater exchange and habitat qualities. The small-disturbance theory has been applied to derive the analytical solu...
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