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Jayson Craig Small and Liwei Zhang
The performance of detonation engines depends on propellant injectors. This study investigates a fluidic-valve injector mounted to a detonation tube. The injector is equipped with a recessed cavity connecting to the fuel plenum. After verifying the theor...
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Toni Utech, Tobias Neef, Viktor Mechtcherine and Christina Scheffler
Nature provides various templates for integrating organic and inorganic materials to create high-performance composites. Biological structures such as nacre and the structural elements of the glass sponge are built up in layers, leading to remarkable fra...
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Ange Nsilani Kouediatouka, Qiang Ma, Qi Liu, Fagla Jules Mawignon, Faisal Rafique and Guangneng Dong
Surface texture is regarded as a promising solution for enhancing the tribological features of industrial materials due to its outstanding benefits, such as minimization of the contact area, enhancement of the load bearing capacity, storage of the lubric...
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Tiankai Li, Haiyang Long, Changming Qiu, Mingming Wang, Dongdong Li, Zhen Dong and Yongliang Gui
When laser cladding is used to repair parts, the interaction of parameters has a significant influence on equipment performance. In order to explore the process parameters and quality of Ni60PTA coating, the statistical relationship between the process p...
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Gabriel Ureta, Károly Németh, Felipe Aguilera and Rodrigo González
Maar volcanoes are monogenetic landforms whose craters cut below the pre-eruptive surface and are surrounded by a tephra ring. Both the maar crater and the surrounding tephra rim deposits are typically formed due to magma?water explosive interactions. No...
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Oleksandr Kovalchuk,Oleksandr Gelevera,Vasyl Ivanychko
Pág. 33 - 40
This paper reports results from comparative testing the reaction "alkali ? active silica" in traditional Portland cement and alkaline Portland cement with the addition of metakaolin. The research is based on studying the process of structure formation in...
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Denise-Penelope N. Kontoni and Ahmed Abdelraheem Farghaly
Various cases of two adjacent multi-story buildings with different numbers of floors and equal or unequal foundation levels under earthquake loading and considering soil-structure interaction (SSI) are investigated. A two-dimensional model for each case ...
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Angela Kuriata-Potasznik, Slawomir Szymczyk, Andrzej Skwierawski, Katarzyna Glinska-Lewczuk, Ireneusz Cymes
Pág. 1 - 15
River-lake systems most often behave as hydrographic units, which undergo complex interactions, especially in the contact zone. One such interaction pertains to the role of a river in the dispersal of trace elements carried into and out of a lake. In thi...
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E. V. Suhovaya,V. A. Syrovatko,Yu. V. Syrovatko
Pág. 238 - 243
The structure and properties of the composites having Fe-C-B-? binders alloyed with molybdenum and strengthened by the W-C quickly-cooled filler were investigated in this work. The model based on quantum mechanics principles explaining the dependencies o...
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Hans Niemeyer,Marcelo Nava,Ivan Soto
Pág. 3 - 18
The processes associated with the interaction between the Pinchal Granodiorite (PG) and the kilometric Cerro Negro Xenolith (KCNX) are studied. The PG was cooled during the Late Carboniferous, whereas the age of the KCNX remain until now unknown. The KCN...
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