Results 41 to 50 of about 1,141,804 (335)
Xibei Gongye Daxue XuebaoAiming at the problems such as low structural bearing efficiency, structural weight gain, heavy load and cabin noise caused by high rear backbraced engine in BWB layout, based on novel materials and pultruded rod stitched efficient unitized structure ...
TIAN Rui +5 more
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Research on the Fatigue Life Scatter Factor Value Based on Measured Data
Hangkong gongcheng jinzhan, 2020 With the deep development of baseline spectrum or severe spectrum, it is necessary to use the measured data to develop the load spectrum in spectrum developing method and life scatter factor.
WANG Chuangqi, MENG Xinyi
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Multidisciplinary Optimization Design of Low-Noise Propellers
Aerospace, 2023 In this paper, a multidisciplinary optimization design method and its verification of low-noise aircraft propellers considering aerodynamics, noise, and structural strength were carried out to further reduce the aerodynamic noise of the aircraft ...
Dongwen Xue +3 more
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Apparatus for aiding a pilot in avoiding a midair collision between aircraft [PDF]
, 1973 An apparatus for aiding a pilot in avoiding a midair collision between aircraft is described. A protected aircraft carries a transmitter, a transponder, a receiver, and a data processor; and an intruding cooperating aircraft carries a transponder.
Couch, R. H., Schrader, J. H.
core +1 more source
Below Horizon Aircraft Detection Using Deep Learning for Vision-Based Sense and Avoid
, 2019 Commercial operation of unmanned aerial vehicles (UAVs) would benefit from an onboard ability to sense and avoid (SAA) potential mid-air collision threats. In this paper we present a new approach for detection of aircraft below the horizon.
Ford, Jason J. +2 more
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OpenAP: An Open-Source Aircraft Performance Model for Air Transportation Studies and Simulations
Aerospace, 2020 Air traffic simulations serve as common practice to evaluate different concepts and methods for air transportation studies. The aircraft performance model is a key element that supports these simulation-based studies.
Junzi Sun, J. Hoekstra, J. Ellerbroek
semanticscholar +1 more source
MSaD-Net: A Mix Self-Attention Networks for 3D Point Cloud Denoising
IEEE Photonics Journal, 2023 In the process of acquiring 3D point cloud data, due to environmental interference or unstable scanning equipment, the acquired data often have noisy points. Recently, with the development of neural networks for point clouds, great progress has been made
Xusheng Zhu +4 more
doaj +1 more source
System for indicating fuel-efficient aircraft altitude [PDF]
, 1984 A method and apparatus are provided for indicating the altitude at which an aircraft should fly so the W/d ratio (weight of the aircraft divided by the density of air) more closely approaches the optimum W/d for the aircraft.
Gary, B. L.
core +1 more source
Selection of Parameters for 3D Finite-volume Mesh for CFD Simulation of Axial Turbines
MATEC Web of Conferences, 2018 This article describes the second part of the global work done by the authors aimed at finding the best settings for a numerical model for calculations of axial uncooled turbines using the RANS approach.
Popov Grigorii +5 more
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Advanced Engineering Materials, EarlyView.This article introduces an automated approach for converting the raw research data (use case of low‐cycle‐fatigue testing dataset) to machine‐readable resource description framework ones and storing them in an open digital repository. As two main prerequisites for this data digitalization process, the development of fatigue testing ontology and ckan ...
Hossein Beygi Nasrabadi +2 more
wiley +1 more source