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Zhiwei Chen, Yuxue Ge, Jie Yuan and Yang Pei
In hostile environments, engine damage is of particular concern since the engine is the only component to generate thrust that affects survivability. For an aircraft suffering thrust failure, the forced landing sites should be identified within the glidi...
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Ahmed Mahfouz, Gabriella Gaias, D. M. K. K. Venkateswara Rao and Holger Voos
In this paper, the problem of autonomous optimal absolute orbit keeping for a satellite mission in Low Earth Orbit using electric propulsion is considered. The main peculiarity of the approach is to support small satellite missions in which the platform ...
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Yifan Wang, Kun Jin, Xingxing Huang, Peng Lin, Zhengwei Wang, Wenliang Wang and Lingjiu Zhou
In this paper, a 1000 MW Francis turbine was used to study the influences of uneven clearance distribution caused by various radial installation deviations on the hydraulic thrust of a runner under the rated operating condition with steady-state CFD anal...
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Weiqiang Huang, Chunguang Wang, Kaining Zhang, Zhihong Wang and Weiping Tian
As a key component of the solid rocket motor, nozzle ablation is very important to the performance of the motor. In order to study the influence of the law of nozzle ablation on motor performance, a two-dimensional axisymmetric model of a ground state no...
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Hafiz Md-Tahir, Jumin Zhang, Yong Zhou, Muhammad Sultan, Fiaz Ahmad, Jun Du, Amman Ullah, Zawar Hussain and Junfang Xia
Traction failure on loose terrain is common in conventional agricultural wheeled tractors due to poor traction ability and lower power transfer efficiency of drive wheels, which leads to excessive energy consumption and soil compaction in agriculture. To...
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Yuanxing Zhao, Xuan Gong, Jianwen Wang, Liru Zhang and Yefei Bai
The dynamic yaw significantly affects the aerodynamic load distribution of wind turbines, and the aerodynamic load is one of the main influencing factors of wind turbine structural stress variation. Taking the NACA4415 horizontal axis wind turbine design...
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Salvatore Corcione, Vincenzo Cusati, Danilo Ciliberti and Fabrizio Nicolosi
This paper deals with the estimation of propulsive effects for a three-lifting surface turboprop aircraft concept, with rear engine installation at the horizontal tail tips, conceived to carry up to 130 passengers. This work is focused on how the propuls...
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Riccardo Santoro, Marco Pustorino and Mauro Pontani
This study considers the problem of injecting a spacecraft into an elliptic, repeating-ground-track orbit about Mars, starting from a 4-sol highly elliptical orbit, which is a typical Martian capture orbit, entered at the end of the interplanetary transf...
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Hongqiang Sang, Jin Zhang, Xiujun Sun, Can Li, Lei Wang and Liwei Wang
A wave glider can convert vertical wave motion into its forward propulsion. There are many factors affecting the propulsion performance of a wave glider. The swing amplitude of hydrofoil can affect the efficiency of hydrofoil to capture wave energy, and ...
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Chengzhang Li, Bo Xu, Wanmeng Zhou and Qibo Peng
We propose two approaches based on feedforward control and model-predictive control, respectively, to solve the station-keeping problem of an electric-propulsion geostationary Earth orbit (GEO) satellite, whose thrusters are mounted on two robotic arms o...
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