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Auchib Reza and Ashutosh Sutra Dhar
Small diameter (42 mm) medium density polyethylene (MDPE) pipes are widely used in the gas distribution system in Canada and other countries. They are sometimes exposed to ground movements resulting from landslides or earthquakes. The current design guid...
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Ivan Pavlenko, Justyna Trojanowska, Oleksandr Gusak, Vitalii Ivanov, Jan Pitel, Vita Pavlenko
Pág. 52 - 56
The permanent increase of operating parameters of modern multistage centrifugal pumps requires more precise modelling for estimation their dynamic reliability and needs to develop new approach and methodology for the related calculations. It is necessary...
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Hossein Rostamian, Mohammad Nader Lotfollahi
Pág. 93 - 97
A new equation of state has been proposed for calculating densities of pure carbon dioxide and ethane in the liquid, vapor, and supercritical phases. In this equation of state, a new function (ß function) for energy parameter of Redlich-Kwong equation of...
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Tawanda Hove, Luxmore Madiye, Downmore Musademba
The two-parameter Weibull probability distribution function is versatile for modelling wind speed frequency distribution and for estimating the energy delivery potential of wind energy systems if its shape and scale parameters, k and c, are correctly det...
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Leonid Berezin, Mykola Rubanka, Alla Rubanka, Yurii Kovalov, Serhii Pleshko
Pág. 111 - 119
The questions of design maintenance of a given fatigue longevity of rods of complex form during the intensification of load modes without changing of geometric, inertial and rigidity parameters of roads are considered. The study is conducted on the examp...
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Yang Cheng and Liangliang Zhang
Uniaxial and five conventional triaxial compression tests were conducted on sandstone to obtain the evolution laws of the input energy density, elastic strain energy density, and dissipative energy density. The input and dissipative energy densities incr...
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Shang-Yuan Chen, Tzu-Tien Chen
Pág. 146 - 156
Since dockless sharing bicycles have become an indispensable means of everyday life for urban residents, how to effectively control the supply and demand balance of bikes has become an important issue. This study aims to apply Kernel Density Estimation b...
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Shang-Yuan Chen, Tzu-Tien Chen
Pág. 146 - 156
Since dockless sharing bicycles have become an indispensable means of everyday life for urban residents, how to effectively control the supply and demand balance of bikes has become an important issue. This study aims to apply Kernel Density Estimation b...
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Zhengbing Chen, Jianyin Zhou and Qianhai Chen
The roughness coefficient is a comprehensive parameter reflecting river resistance, which is widely used in the planning and design of river regulation and flood control projects. In recent years, as the upstream water conservancy and hydro-power project...
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Anatoliy Sadkov,Vasiliy Popov
Pág. 77 - 83
The problems of modeling spatial configurations of a continuous medium in several stable states, the interaction between spatially distant elements of which is characterized by a potential energy proportional to the masses of the elements and the interac...
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Anatoliy Sadkov,Vasiliy Popov
Pág. 77 - 83
The problems of modeling spatial configurations of a continuous medium in several stable states, the interaction between spatially distant elements of which is characterized by a potential energy proportional to the masses of the elements and the interac...
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Lifang Zhang, Jianmin Zhang, Yong Peng, Jiangyang Pan and Zhongxian Peng
In this work, the flow and temperature fields of a thermally stratified reservoir under different settings of a water-separating curtain are simulated by using the standard k-e turbulence model. In the simulation, two different equations of state includi...
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Dariusz Mlynski, Andrzej Walega, Tomasz Stachura and Grzegorz Kaczor
The aim of the work was to develop a new empirical model for calculating the peak annual flows of a given frequency of occurrence (QT) in the ungauged catchments of the upper Vistula basin in Poland. The approach to the regionalization of the catchment a...
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Andi Besse Rimba, Martiwi Diah Setiawati, Abu Bakar Sambah and Fusanori Miura
Flooding has been increasing since 2004 in Japan due to localized heavy rainfall and geographical conditions. Determining areas vulnerable to flooding as one element of flood hazard maps related to disaster management for urban development is necessary. ...
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Andi Besse Rimba, Martiwi Diah Setiawati, Abu Bakar Sambah and Fusanori Miura
Flooding has been increasing since 2004 in Japan due to localized heavy rainfall and geographical conditions. Determining areas vulnerable to flooding as one element of flood hazard maps related to disaster management for urban development is necessary. ...
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Natalia N. Vitokhina,Yuriy P. Virchenko,Natalya A. Zinchenko,Natalya N. Mot?kina,Vladimir A. Esin,Anna N
In the article authors develop an approach to calculating the statistic development probability for composite functions of square values in Gaussian casual process trajectories. Calculating distribution density for additive composite functions is based o...
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V. P. Voitenko,Yu. I. Osenin
Pág. 32 - 35
A calculation technique is suggested for the system of the rail track and a foreign body on its surface. The procedure allows calculating a decrease of the intra-rail acoustic signal amplitude affected by the presence of a foreign body on the rail surfac...
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Ying Song, Ning Zhang, Yujuan Liu, Liu Zhang and Zhaowu Liu
Variable-period scanning beam interference lithography (VP-SBIL) can be used to fabricate varied-line-spacing (VLS) plane gratings. The exposure phase modulation method to pattern a VLS grating with a desired groove density must be carefully devised. In ...
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Georgios Nicolaou, George Livadiotis and Mihir I. Desai
The Bernoulli integral describes the energy conservation of a fluid along specific streamlines. The integral is the sum of individual terms that contain the plasma density, speed, temperature, and magnetic field. Typical solar wind analyses use the fluct...
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Teng Jiao, Zeming Li, Wei Chen, Xin Dong, Zhengda Li, Zhaoti Diao, Yuantao Zhang and Baolin Zhang
To obtain high-quality n-type doped ß-Ga2O3 films, silane was used as an n-type dopant to grow Si-doped ß-Ga2O3 films on (100) ß-Ga2O3 substrates by metal-organic chemical vapor deposition (MOCVD). The electron concentrations of the Si-doped ß-Ga2O3 film...
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