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Junjie Pan, Xin Lin, Zezhong Wang, Ruoyan Wang, Kun Wu, Jinhu Liang and Xilong Yu
This study investigated combustion characteristics of composite fuel grains designed based on a modular fuel unit strategy. The modular fuel unit comprised a periodical helical structure with nine acrylonitrile?butadiene?styrene helical blades. A paraffi...
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?ydrunas Kavaliauskas and Igor ?ajev
In the industrial and sales processes, dosing systems of various constructions, whose operation is based on mechanical vibrations (vibratory feeders), are very often used. These systems face many problems, such as resonant frequency, flow instability of ...
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Gabriele Vozza, Domenica Costantino, Massimiliano Pepe and Vincenzo Saverio Alfio
The aim of the paper was the implementation of low-cost smart sensors for the collection of bathymetric data in shallow water and the development of a 3D modelling methodology for the reconstruction of natural and artificial aquatic scenarios. To achieve...
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Tsuyoshi Oishi, Mitsuru Tamari and Takashi Sakurai
Hybrid rockets are safe and inexpensive; however, boundary-layer combustion poses a problem in achieving a fuel regression rate equivalent to that of solid propellants. The fundamental combustion conditions, such as the fuel regression rate of LT421, a p...
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Xinlong Zhou, Dashun Fu, Juan Wan, Henglin Xiao, Xinyue He, Zhengxuan Li and Qixiang Deng
Vegetation slope protection plays an important role in improving the slope stability and protecting the environment. In this study, the mechanical properties of root?soil composites in different growth periods and their effects on slope stability were in...
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In-Hoi Koo, Keon-Hyeong Lee, Min-Su Kim, Hyung-Seok Han, Holak Kim and Jeong-Yeol Choi
Fuel injection and mixing affect the characteristics of detonation initiation and propagation, as well as the propulsion performance of rotating detonation engine (RDE). A study on the injector is carried out in the present investigation. A rectangular-s...
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Aleksandr A. Firsov
This paper presents the results of testing and optimization of a plasma-assisted combustion scheme based on a pylon for fuel injection equipped with a plasma actuator. Electrodes were installed behind the stern of the pylon for the creation of Q-DC disch...
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Ruoyan Wang, Xin Lin, Zezhong Wang, Kun Wu, Zelin Zhang, Jiaxiao Luo, Fei Li and Xilong Yu
The combustion characteristics of a swirl-radial-injection composite fuel grain were experimentally and numerically investigated. This composite grain permits swirl-radial oxidizer injection based on three hollow helical blades, each having a constant ho...
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Galiya Abdilova, Zhadra Sergibayeva, Duman Orynbekov, Merey Shamenov, Gulmira Zhumadilova, Anara Bakiyeva, Nurbolat Mukashev, Assyl Bayadilova and Damir Dukenbayev
Sunflower is a major agricultural oilseed crop, and the Republic of Kazakhstan has been steadily strengthening its position as a producer of oilseeds. In this study, an oil pressing machine with two processes, including grinding sunflower seeds and press...
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T Makondo, G S Perry, E R Sadiku
Pág. 27 - 32
Die behandeling van suurmyndreinering (SMD) en die verwydering van swaarmetale en sulfate bly steeds ?n uitdaging vir die samelewing. Die rede hiervoor is omdat dit ?n ernstige en lewensgevaarlike probleem is wat wêreldwyd voorkom waar sulfiedgesteentes ...
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