Results 61 to 70 of about 1,277,064 (238)

Analysis of Entropy Generation and Potential Inhibition in an Aeroengine System Environment

open access: yesInternational Journal of Aerospace Engineering, 2022
From a system perspective, the entropy generation of an aeroengine is directly related to the thermal efficiency when the Brayton cycle pressure ratio and maximum temperature remain constant.
Xiaojing Liu   +6 more
doaj   +1 more source

Independent power generator [PDF]

open access: yes, 1978
A gas turbine powered aircraft auxiliary power system is described which is capable of efficiently supplying all aircraft auxiliary services both in flight and on the ground and is further capable of operating independently of the aircraft main engines ...
Young, R. N.
core   +1 more source

Neural fields for rapid aircraft aerodynamics simulations

open access: yesScientific Reports
This paper presents a methodology to learn surrogate models of steady state fluid dynamics simulations on meshed domains, based on Implicit Neural Representations (INRs).
Giovanni Catalani   +5 more
doaj   +1 more source

MSaD-Net: A Mix Self-Attention Networks for 3D Point Cloud Denoising

open access: yesIEEE 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

A theoretical and experimental appraisal of airworthiness evaluation techniques for small light aeroplanes [PDF]

open access: yes, 2005
This thesis was submitted for the degree of Doctor of Philosophy and awarded by the University of Southampton.A thorough evaluation of the airworthiness of a manned aircraft is vitally important, regardless of the size or function of the aircraft ...
Gratton, G.B.
core  

Research on Configuration Control Technology for Civil Aircraft Flight Test Based on Modular Design [PDF]

open access: yesE3S Web of Conferences
A configuration control method, based on modular design, is proposed to solve the problem that the aircraft configuration changes due to design changes, and the flight test is difficult to carry out.
Xue Jikun   +3 more
doaj   +1 more source

On-Board Microgrids for the More Electric Aircraft—Technology Review

open access: yesIEEE transactions on industrial electronics (1982. Print), 2019
This paper presents an overview of technology related to on-board microgrids for the more electric aircraft. All aircraft use an isolated system, where security of supply and power density represents the main requirements. Different distribution systems (
G. Buticchi   +4 more
semanticscholar   +1 more source

Filtering technique based on high-frequency plant modeling for high-gain control [PDF]

open access: yes, 1979
This invention was an improvement in aircraft control systems that utilized feedback motion sensors to generate a signal to control the aircraft. The improvement consisted essentially of a complementary filter comprising a simplified model of the ...
Garren, J. F., Jr., Niessen, F. R.
core   +1 more source

Measuring Workload Differences Between Short-term Memory and Long-term Memory Scenarios in a Simulated Flight Environment [PDF]

open access: yes, 1984
Four highly experienced Air Force pilots each flew four simulated flight scenarios. Two scenarios required a great deal of aircraft maneuvering. The other two scenarios involved less maneuvering, but required remembering a number of items.
Berg, S. L., Sheridan, T. B.
core   +1 more source

Estimation of stability derivatives and dynamic stability characteristics of basic and AEW HS-748 aircraft [PDF]

open access: yes, 1988
Longitudinal and lateral stability derivatives of the basic and the AEW configurations of the HS-748 aircraft have been estimated. DATCOM and ESDU Data Sheet methods were employed to estimate the complete set of derivatives of the basic aircraft ...
Nagarajan, V, Sundaramurthy, H
core  

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