Results 1 to 10 of about 47,725 (266)

A Study on the Impact Test Analysis of Specimens for Designing the Housing of Precision Guided Projectile [PDF]

한국정밀공학회지, 2019
The precision-guided projectile is a weapon system for precision attacks, and the cannon-launched projectile is guided by a control device. The electrical actuator system is a subsystem of the control device, and the whole projectile undergoes high axial
Jun bok Ko, So dam Yi, Eun joo Park, Ki bong Baek, Myeong seop Kim, Suhk hoon Suh   +5 more
doaj   +1 more source

Calorimetric studies of microwave ion thruster [PDF]

Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2022
The authors continue their work in the field of calorimetric studies of the parameters of an accelerated ionized gas jet of prototypes of microwave ion micro-thrusters with an energy consumption of up to 10 watts.
I. S. Vavilov, K. I. Zharikov, P. S. Yachmenev, V. V. Fedyanin, P. V. Stepen, A. I. Lukyanchuk, I. A. Kuzmenko   +6 more
doaj   +1 more source

ADJUSTMENT OF THRUSTING STRUCTURE IN THE KOVYKTA-KHANDINSKAYA REFLECTED FOLDING ZONE

Геодинамика и тектонофизика, 2022
The Kovykta-Khandinskaya zone, which includes the Kovykta gas condensate field, is a giant located in the junction zone of the Angara-Lena stage with the craton edge – the Cis-Baikal trough.
N. V. Misyurkeeva, A. G. Vakhromeev, A. S. Smirnov, I. V. Buddo, I. V. Gorlov, G. G. Shemin   +5 more
doaj   +1 more source

A COMBINED MODEL OF THE DIAPIRIC AND COLLISIONAL FORMATION MECHANISM OF THE PALEOPROTEROZOIC GRANITE-MIGMATITE-GNEISS DOMES OF THE SVECOFENNIAN BELT

Геодинамика и тектонофизика, 2023
Geological examples of the development of thermal dome structures in the Svecofennian belt demonstrate the relationship between plutonic and metamorphic events and metamorphic strengthening towards the core parts of the structures.
O. P. Polyansky, S. K. Baltybaev, A. V. Babichev   +2 more
doaj   +1 more source

Performances Study of a Hybrid Rocket Engine [PDF]

INCAS Bulletin, 2018
This paper presents a study which analyses the functioning and performances optimization of a hybrid rocket engine based on gaseous oxygen and polybutadiene polymer (HTPB).
Adrian-Nicolae BUTURACHE
doaj   +1 more source

Geological and structural position of the Svetlinsky gold deposit (Southern Urals)

Записки Горного института, 2022
The paper presents the geological and structural position of the large Svetlinsky gold deposit in the Kochkar anticline (Southern Urals), localized in the zone of the Late Paleozoic (D3) deep thrust of the western dip.
Alexander Yu. Kissin, Mikhail E. Pritchin, Danil A. Ozornin   +2 more
doaj   +1 more source

Effect of Electric Ducted Fans Structural Arrangement on Their Performance Characteristics

Applied Sciences, 2023
With the expanding electrification in all sectors of transport, it is necessary to look for new efficient solutions for propulsion systems for use in air transport.
Daniel Urban, Stanislav Kusmirek, Vladimir Socha, Lenka Hanakova, Karel Hylmar, Jakub Kraus   +5 more
doaj   +1 more source

MODELING OF THRUST AND SPECIFIC FUEL CONSUMPTION FOR A TURBOFAN ENGINE VIA GMDH-TYPE NEURAL NETWORKS [PDF]

مجله مدل سازی در مهندسی, 2012
In this paper, Group Method of Data Handling (GMDH)-type neural networks based on Genetic Algorithm, as an effective means to model the complex and nonlinear system, used for the modeling of turbofan engine.
مسیح Sharifi, بهروز Shahriari, احمد Bagheri   +2 more
doaj   +1 more source

Photonics Breakthroughs 2024: Multidimensional Integrated (de)Multiplexers for Optical Fiber Communications

IEEE Photonics Journal
The growing demand for higher data transmission capacity, particularly driven by advancements in artificial intelligence and cloud computing, has spurred the exploration of various degrees of freedom (DoF) of light in optical communication systems ...
Xianyi Feng, Wu Zhou, Hao Chen, Yuzhe Ma, Yeyu Tong   +4 more
doaj   +1 more source

MODELING AND CALCULATION OF A GEAR CONNECTION FOR A UNIVERSAL DEVICE FOR MEASURING THE THRUST OF AN UNMANNED AERIAL VEHICLE PROPELLER

Надежность и качество сложных систем, 2022
Background. The rapid development and widespread use of various unmanned aerial vehicles requires the introduction of their typification and certification.
D.S. Ergaliev, D.V. Zuev, A.A. Kochetkov, A.V. Lysenko, N.D. Koshelev   +4 more
doaj   +1 more source