World Journal of Engineering: Volume 12 Issue 4

Large-amplitude vibration of imperfect angle-ply laminated rectangular plates for various materials

He Huang, David Hui

This paper deals with the solution of modified-Duffing ordinary differential equation for large-amplitude vibration of imperfect angle-ply rectangular composite plates. The…

Summary of major factors affecting mechanical properties of TiZr based alloys

Lixia Yin, Shunxing Liang, Liyun Zheng

Effects of major factors, such as alloy composition, crystal structure and grain size, on mechanical properties of TiZr based alloys are investigated and summarized in this work…

Preparation of α-Fe2O3/ZnO composites and their photocatalytic activity under simulated sunlight irradiation

Juan Xie, Meixia Li, Yongjing Hao, Xiaocai Meng, Yuan Meng, Zhen Li

Using only zinc nitrate, ferric nitrate and sodium hydroxide as reactants, rod-like and flower-like α-Fe₂O₃/ZnO composites were prepared via a simple and rapid solution route by…

Development of rock bitwear models for selected rocks in Nigeria using dominant rock properties

Adebayo Babatunde

This work deals with the development of wear rate models for some selected rocks in Nigeria. Rock samples obtained were tested for chemical composition, point load strength index…

Technology optimization on the rapid excavation in inclined shaft

Wei Hou, Yitao Chen, Yunlong Dong, Xuanye Qin, Fei Miao

Through a lot of investigation, many times of demonstrating scheme, the in-depth theoretic analysis, a large scale numeric simulation tests and the field tests, the operating line…

Mechanical, physical and chemical properties of saw dust briquette

R. Arul Kumar, H. Kanaga Sabapathy, I. Neethimanickam

The present study deals with determination of physical, mechanical and combustion characteristics like mass, density, compressive strength, shearing strength, moisture content…

Lattice Boltzmann investigation of thermal effect on convective mixing at the edge of solvent chamber in CO2-VAPEX process

Abdelmalek Atia, Kamal Mohammedi

The high viscosity of heavy oil is a serious problem for the recovery efficiency of this resource by conventional methods. Since a few past years, the vapour extraction process…

Study on collaborative innovation of central city and sub-central city in resource-based zone during the new-type urbanization

Haiying Huo, Haiyan Wang, Yajie Li

With the advancement of new-types of urbanization, our country needs to construct reasonable structures of the resource-based central city and sub-central city in the regions, to…

Effects of global warming on wind energy potential

Afsin Gungor

A recent study conducted to determine the potential of wind power in Nigde which used 35 year wind data, has shown that global warming may also affect the potential of wind power…

The application research of comprehensive landing method during the rectification for the brick-concrete buildings in soft soil area

Xiaolei Wang, Xiaonan Zhang, Sanyuan Shi, Libo Liu

Combining with an instance of rectification and reinforcement of a brick-concrete structure house in the Yunnan province, a comprehensive landing method was proposed. The building…

Biohydrogen production from rice mill wastes by Clostridium acetobutylicum NCIM 2877

Garima Shukla, Veena Thakur, Jadhav S.K.

The production of biohydrogen from rice mill wastes, including rice bran and rice mill effluent by Clostridium acetobutylicum NCIM 2877 was investigated in a batch culture system…

The effect of thermal camera and pyrometer usage in industrial tempering furnaces on optimum combustion performance

Mehmet Ozkaymak, Selcuk Selimli, Durmus Kaya, Esref Yilmaz, Abdulsamed Tabak, Mehmet Volkan Aksay

The decrease of energy sources, the increase of energy need and energy costs, competitive conditions in industry and environmental sensitivity require the effective usage of…

Testing of tractor mounted and self propelled coconut climber for coconut harvesting

Kishor Purushottmrao Kolhe

The coconut is known as Kalpa Vriksa to the world for being its multi faceted uses, which provide livelihood security to millions of people. Every part of it useful to humans in…

Piezoelectric power harvesting from chirps and mating swiftlets attraction sound

Azrul Mahfurdz, Sunardi

The voltage measurement from piezoelectric disk (PZT) transducer is proposed in this paper. The attraction sound that has been used in the swiftlet farming industries was emitted…