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Huinan Huang, Yan Zhang, Defu Wang, Zijiang Fu, Hui Tian, Junjuan Shang, Mahmoud Helal and Zhijun Lv
The hopper is an important piece of basic equipment used for storing and transporting materials in the agricultural, grain, chemical engineering, coal mine and pharmaceutical industries. The discharging performance of hoppers is mainly affected by materi...
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Oleksij Fomin,Alyona Lovska,Inna Skliarenko,Yurii Klochkov
Pág. 65 - 74
The strength parameters have been determined for the bearing structure of a hopper car used to transport pellets and hot agglomerate. The calculation was based on a finite element method, implemented in the software COSMOSWorks. Strength reserves of load...
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Jasmine Rimani, Giordana Bucchioni, Andrea Dan Ryals, Nicole Viola and Stéphanie Lizy-Destrez
The lunar lava tubes are envisioned as possible hosting structures for a human base in the Moon?s equatorial regions, providing shelter from radiations, micrometeoroids, and temperature excursion. A first robotic mission is set to scout the habitability ...
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O. V. Fomin, A. O. Lovska, A. M. Fomina, S. S. Sova
Pág. 71 - 79
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Wenhong Dai, Wei Ding, Chuanteng Lu, Xiaofeng Luo and Qiancheng Xie
In a coastal environment, this paper investigated the formation process and the cumulative shape of subaqueous mounds formed by hopper dredged discharges. Hydrological observations and field tests were performed to examine the flow features and ultimatel...
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O. Je. Nishhenko,A. V. Hrechko,S. V. Kukin,D. I. Jesjkov
Pág. 49 - 53
The results of tests of the hopper brake systems for the pellets having typical system and separate braking per each bogie are presented. It is shown that the brake system with separate braking has several advantages as compared to the typical one.
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V. V. Kovalenko
Pág. 117 - 121
In the article the optimization of chemical composition of the wear-resistant economically alloyed Cr-Mn cast irons microalloyed with aluminum is realized by means of the quasi-D-optimum plan ?f Pesochinski over the mechanical and microstructural paramet...
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D. O. Bannikov
Pág. 154 - 160
In the paper analytical solutions for optimization of external geometrical shape according to criteria of massminimum of bunker and silo capacities for granular materials are presented. The special case of two-parted construction with the vertical upper ...
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D. O. Bannikov,M. I. Kazakevych
Pág. 130 - 136
The paper enlists the most important points of modern designing concept of rigid steel bunkers as a separate class of building structures. Its drawbacks and also the main problems, preventing from creation of a sufficiently reliable, durable and repairab...
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Jeffrey D. Hopper
The United States is experiencing a persistent increase in its prison population and, consequently, a steady increase in public spending on incarceration. A possible systemic change to mitigate these trends is a return to historically cost effective inma...
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Tafadzwa Makonese, Christopher Bradnum
Many cookstove programmes implemented around the world aimed to reduce fuel consumption and pollutant emissions through the dissemination and adoption of improved cookstoves. A study was carried out for the design of wood-burning cookstoves for low-incom...
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Stanislav Popov,Sergiy Gnitko,Anatoly Vasilyev
Pág. 6 - 14
A method has been proposed for machining the outer and inner conical surfaces of the wrist pin and insert, which represent a sliding friction pair on the mortar mixer frame. The machining implies the application on the conical surface of parts, prelimina...
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Massimo Cecchini, Danilo Monarca, Vincenzo Laurendi, Daniele Puri and Filippo Cossio
An internationally acknowledged requirement is to analyze and provide technical solutions for prevention and safety during the use and maintenance of manure spreader wagons. Injuries statistics data and specific studies show that particular constructive ...
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Agus Nugroho
Now adays the need for saving fuel consumption has been a central issue in the field of energy , as well as in the field of automotive demand for exterior and interior design of the aerodynamics , compact dimensions and fuel consumption saving in a...
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A. V. Donchenko,V. A. Khudiienko,T. V. Sheleiko
Pág. 119 - 122
The article substantiates the possibility and expediency of using hopper cars for mineral fertilizers in transportation of bulk freights without reduction of bearing ability parameters of their elements. Results of theoretical research, strength and oper...
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Yu. M. Cherkashyn,M. O. Lievinzon,H. S. Mikhalsenko,D. Yu. Pohorielov,V. O. Simonov
Pág. 227 - 232
Results of computer modeling of some situations influencing the safety factors of a freight railway vehicle with respect to the derailment are considered. Modeling is performed by means of the Universal Mechanism software with the use of sufficiently det...
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Mohammad Sadeq Ale Isaac, Marco Andrés Luna, Ahmed Refaat Ragab, Mohammad Mehdi Ale Eshagh Khoeini, Rupal Kalra, Pascual Campoy, Pablo Flores Peña and Martin Molina
Unmanned aerial vehicles (UAVs) have drawn significant attention from researchers over the last decade due to their wide range of possible uses. Carrying massive payloads concurrent with light UAVs has broadened the aeronautics context, which is feasible...
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Hong Zhang, Hualong Liu, Yong Zeng, Yurong Tang, Zhaoguo Zhang and Ji Che
The practical problems of existing methods of walnut cracking under compression loading, including incomplete walnut-shell crushing, broken walnut kernels, and so on, are widespread in walnut processing and are constraints that hinder mechanized walnut p...
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Lukasz Gierz, Lukasz Wargula, Mateusz Kukla, Krzysztof Koszela and Tomasz Szymon Zwiachel
The effectiveness and precision of transporting wood chips on the transport trailer or hopper depends on an inclination angle, a conveyor belt speed, and length. In order to devise a methodology aiding designing and the selection of technical and perform...
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Chrysanthos Maraveas
The review article investigated failure, design issues, repair and strengthening of reinforced concrete (RC) silos, primarily in agricultural set-ups. The durability of RC structures was influenced by the nature of the bulk solids, materials used in the ...
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