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2020 ◽  
Vol 31 (12) ◽  
pp. 125701 ◽  
Author(s):  
A M M Gherman ◽  
S Boca ◽  
A Vulpoi ◽  
M V Cristea ◽  
C Farcau ◽  
...  


Atomic Energy ◽  
2020 ◽  
Vol 127 (3) ◽  
pp. 181-185
Author(s):  
V. P. Solov’ev ◽  
A. A. Ryabov ◽  
V. I. Romanov ◽  
S. S. Kukanov ◽  
E. E. Maslov


2019 ◽  
Vol 254 ◽  
pp. 02039
Author(s):  
Oleksij Fomin ◽  
Juraj Gerlici ◽  
Alyona Lovskaya ◽  
Kateryna Kravchenko ◽  
Oleksii Burlutski ◽  
...  

The study deals with a shunting impact of 13-4085 wagon platform to a TK25 tank container. In order to define the loads acting on the container frame, 3D computer models of the 1СС size container is designed, both version – for liquid and dry material transport. The virtual model consider a longitudinal force from the wagon automatic coupling, vertical and horizontal forces from the wagon – containers interaction and also vertical forces of the container fittings. For checking adequacy of the created models, the container acceleration values was obtained in two scenarios. In the first case, when fittings are aligned relative to the fitting spots of a wagon, thus without possibility of relative movement. In the second case, movement within clearance of fitting spots is possible. Mathematical models of dynamic loads on these structures were solved by MathCad. Differential equations were solved by the Runge – Kutta method. Adequacy of the created models was checked with an F-test. On the basis of conducted calculation can be conclude that the hypothesis on the adequacy of the models was not rejected.



2018 ◽  
Vol 8 (9) ◽  
pp. 1541 ◽  
Author(s):  
Ali Demircali ◽  
Huseyin Uvet

This paper describes a mini unmanned glider’s design, simulation, and manufacturing with a novel wing-folding mechanism. The mini-glider is designed for CanSat competition, which has a theme of a Mars glider concept with atmosphere data acquisition. The aim is to facilitate the transportation of the glider and to land it on the destination point by following strict rules. Having a light and compact design is important since it uses power for the transmission of sensory data only. Dimensions of the glider is produced with a wingspan that is 440 mm and a length of 304 mm. The wings can be stowed in a fixed size container that has a diameter of 125 mm and a height of 310 mm. Its weight is only 144 g and it can increase up to 500 g maximum with a payload. The mechanism, which includes springs and neodymium N48 grade magnets for a wing-folding system, is capable of being ready in 98 ms for gliding after separating from its container. The mini-glider is capable of telemetering, communicating, and conducting other sensory operations autonomously during the flight.



2018 ◽  
Vol 55 (2) ◽  
pp. 169-177
Author(s):  
Ho-Hwan Chun ◽  
Kyung-Jung Cha ◽  
Inwon Lee ◽  
Jung-Eun Choi


2018 ◽  
Vol 5 (1) ◽  
pp. 15-19
Author(s):  
Hendri Tawar Miko Lubis ◽  
Jonis Ginting

The aims of the research were to study the influence of various size containers and doses of NPK fertilizer on the growth of the shallot. The research was conducted in the greenhouse of Agriculture Faculty, University of Sumatera Utara, Medan, which began from Oktober 15th – October 28th, 2017. The research was arranged by using randomized block design with 2 factors, i.e; size containers 15 cm, 20 cm, 25 cm, and 30 cm and the dose of NPK 0 g, 0.5 g, 1 g, 1.5 g, and 2 g. The parameters observed were plant length, number of leaves and number of tillers. The results showed that all parameters observed were not significantly affected by size container, a dose of NPK and interaction between both treatments until the age of 14 days after planting.



2017 ◽  
Vol 5 ◽  
pp. 1064-1070
Author(s):  
Anil Demircali ◽  
Huseyin Uvet

This paper describes a mini unmanned glider's design, simulation, and manufacturing with a wing-folding mechanism. The mini-glider is designed for the CANSAT 2016 competition, which has the theme of a Mars glider concept with atmosphere data acquisition. The aim is to facilitate transportation and to land it to the destination point. Having a light and compact design is important since it is a glider without an engine and it uses power only for the transmission of sensory data. The glider is produced with a wingspan which is 440 mm, and its longitudinal distance is 304 mm. The wings can be packaged in a fixed size container whose dimensions are 125 mm in diameter and 310 mm in height. The glider's weight is only 144 gr, and it can increase up to 500 gr with maximum with payload. The mechanism, which includes springs and neodymium magnets for wing-folding, is capable of being ready in 98 ms for gliding after separation from its container. The mini-glider is capable of telemetry, communications, and other sensory operations autonomously during flight.



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