Results 21 to 30 of about 14,268 (264)
Aerospace, 2022 A Vertical Take-Off and Landing-Plane (VTOL-Plane) is an Unmanned Aerial Vehicle (UAV) that combines multirotor and fixed-wing configurations. It has a good cruise range compared to a VTOL vehicle. Furthermore, it can take-off and land vertically.
Gesang Nugroho +2 more
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Nonlinear similar design of large slenderness ratio truss boom
Mechanical Engineering Journal, 2017 To solve the problem that lacks systematic product spectrum plan and serialization of design methods and theoretical basis in the design process of crawler crane boom, the main boom is as the research object in this paper.
Xu-yang CAO, Peng WANG, Wen-jun WANG
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Aerodynamic Optimization Design on Supersonic Transports Considering Sonic Boom Intensity
Xibei Gongye Daxue Xuebao, 2020 It is key points to improve the aerodynamic efficiency and decrease the sonic-boom intensity for the supersonic aircraft design. Sonic-boom prediction method with high precision combining the near-field sonic-boom prediction based on Reynolds-Averaged ...
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Aerospace, 2023 Forward-swept wings can be expected to be lower-boom planforms with similar amount of drag as backward-swept wings because of their good lift distributions.
Yuki Kishi +2 more
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An alternative boom design and welding technique to minimize energy consumption during boom production [PDF]
Scientia Iranica, 2017 This paper presents an alternative boom design for mobile cranes and a method to produce it for minimizing the energy consumption during its production. The main change in the production of the crane booms is the shape of the booms. Normally two symmetric boom parts are manufactured and then these parts are welded by two welding processes, in the ...
Ozcan, M., Yagci, M., Alver, V.
openaire +2 more sources
DETERMINATION OF THE VARIED CONSTRUCTIVE PARAMETERS FOR BALANCING UNITS OF PORTAL CRANES
Nauka ta progres transportu, 2018 Purpose. The research was carried out to improve the design process of the balancing unit for portal crane. In order to achieve the purpose one should: 1) to develop a dynamic and mathematical model that allows describing the movement of balancing unit ...
V. V. Suglobov +2 more
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Deep learning for inverse design of low-boom supersonic configurations
Advances in Aerodynamics, 2023 Mitigating the sonic boom to an acceptable stage is crucial for the next generation of supersonic transports. The primary way to suppress sonic booms is to develop a low sonic boom aerodynamic shape design.
Shusheng Chen +4 more
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LIGHTWEIGHT DESIGN OF STRUCTURES BASED ON A SEMIDEFINITE PROGRAMMING METHOD (MT)
Jixie qiangdu, 2022 A semidefinite programming-based optimization method is proposed for lightweight design of boom and stay bars of container cranes. The boom and stay bars are welded together by steel plates, and in engineering practices the cross-sectional dimensions of ...
WANG XingFeng +3 more
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Design of automatic control system of boom roadheader
Gong-kuang zidonghua, 2016 In view of problem of low accuracy, automation control performance and work efficiency of body positioning of existing boom roadheader, an automatic control system of boom roadheader was designed, hardware and software design of the system were ...
WANG Hong
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Low-Boom and Low-Drag Optimization of the Twin Engine Version of Silent Supersonic Business Jet
Journal of Fluid Science and Technology, 2008 Multi-Objective Optimization has been applied to a design problem of the twin engine concept for Silent Supersonic Business Jet (SSBJ). This problem aims to find main wing, body, tail wing and engine nacelle configurations, which can minimize both sonic ...
Koma SATO +5 more
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