|
|
|
|
|
Yuan Wei, Renliang Chen, Ye Yuan and Luofeng Wang
This study assesses the influence of engine dynamic characteristics on helicopter handling quality during hover and low-speed forward flight. First, we construct the helicopter?engine coupling model (HECM) based on the power-matching relationship between...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dimitris Mpouziotas, Jeries Besharat, Ioannis G. Tsoulos and Chrysostomos Stylios
AliAmvra is a project developed to explore and promote high-quality catches of the Amvrakikos Gulf (GP) to Artas? wider regions. In addition, this project aimed to implement an integrated plan of action to form a business identity with high added value a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yucheng Yang, Guohua Xu, Yongjie Shi and Zhiyuan Hu
This study develops a hybrid solver with reversed overset assembly technology (ROAT), a viscous vortex particle method (VVPM), and a CFD program based on the URNS method, in order to study the aerodynamic and acoustic characteristics of coaxial rigid rot...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaocheng Wang, Hui Zhao and Li Li
Collective behaviors in nature and human societies have been intensively studied in recent decades. The Vicsek model is one of the typical models that explain self-ordered particle systems well. In the original Vicsek model, the neighbor strategy takes a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shaojie Zhang, Han Zhang and Kun Ji
In this paper, an incremental nonlinear dynamic inversion (INDI) control scheme is proposed for the attitude tracking of a helicopter with model uncertainties, and actuator delay and saturation constraints. A finite integral compensation based on model r...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jiayu Wen, Yanguo Song, Huanjin Wang and Dong Han
This work presents a systematic approach to analyzing the aerodynamic characteristics of tandem rotor forward autorotation considering rotor-to-rotor interference. The single-rotor computational model trimmed from a generic helicopter flight dynamics ana...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yukun Wang, Lingxi Guo, Zhiming Guo, Liaoni Wu, Fuqiang Bing, Quanwen Hu and Zonghua Sun
The main focus of this article is on the jump-takeoff method for autogyros. On the basis of a high-confidence autogyro model, we design a jump-takeoff simulation experiment to study and optimize jump-takeoff performance. Using a simplified version of bla...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chankyu Son and Taewoo Kim
A novel actuator disk model (ADM) coupled with lifting-line theory is proposed in this paper. Several virtual planform blades are placed on a disk plane with a constant azimuthal interval, and the lifting-line theory is applied to each blade to predict t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yu Chu, Yi Xiao and Jiulong Zhu
The contradiction between water supply and demand in China is becoming increasingly prominent. A water allocation scheme that satisfies various water users can effectively solve it. In this paper, considering both individual rationality and collective ra...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hao Xu, Jun Zhang, Xizhen Xu, Zewei Zeng, Yuzhu Xu, Jiawei You and Jing Li
Green residences have enormous potential for energy savings, emission reduction, and other comprehensive benefits, and their growth is crucial to achieving China?s carbon neutrality and carbon peaking targets. Nevertheless, at the moment, the national gr...
ver más
|
|
|
|
|
|