Results 21 to 30 of about 9,476,674 (192)

Numerical Optimization of Electromagnetic Performance and Aerodynamic Performance for Subsonic S-Duct Intake

open access: yesAerospace, 2022
In order to improve the performance of subsonic unmanned aerial vehicle (UAV), a knapsack S-duct intake has been designed. The influences of an S-bend diffuser on aerodynamic performance and electromagnetic performance were analyzed firstly.
Bin Wang, Qiang Wang
doaj   +1 more source

Numerical investigation of the real and ideal gap profiles in the calculation of the pressure distortion coefficient and piston fall rate of an LNE 200 MPa pressure balance [PDF]

open access: yes, 2013
This paper aims to investigate, by means of numerical simulation, the effect of gap profiles on the calculation of the pressure distortion coefficient (λ) and the piston fall rate (vf) of two piston-cylinder units used in a Laboratoire National de ...
WONGTHEP, Padipat   +3 more
core   +1 more source

JET ENGINE INLET DISTORTION SCREEN AND DESCRIPTOR EVALUATION

open access: yesActa Polytechnica, 2017
Total pressure distortion is one of the three basic flow distortions (total pressure, total temperature and swirl distortion) that might appear at the inlet of a gas turbine engine (GTE) during operation.
Jiří Pečinka   +3 more
doaj   +1 more source

Prediction of Non-Uniform Distorted Flows, Effects on Transonic Compressor Using CFD, Regression Analysis and Artificial Neural Networks

open access: yesApplied Sciences, 2021
Non-uniform inlet flows frequently occur in aircrafts and result in chronological distortions of total temperature and total pressure at the engine inlet.
Muhammad Umer Sohail   +7 more
doaj   +1 more source

Consideration of residual stress and geometry during heat treatment to decrease shaft bending [PDF]

open access: yes, 2014
In automotive industry, heat treatment of components is implicitly related to distortion. This phenomenon is particularly obvious in the case of gearbox parts because of their typical geometry and precise requirements.
SURA, Edoardo   +3 more
core   +1 more source

Prediction of engine total pressure distortion in improved cascaded forward network

open access: yesJournal of Physics: Conference Series, 2021
Abstract In order to solve the problem of the result delay in the real-time calculation of engine inlet total pressure distortion index in flight test, the multi-step prediction of engine inlet total pressure distortion index in flight test is carried out.
Shi Fenglei, Wang Kuan
openaire   +1 more source

Effect of Interstage Pipeline on the Performance of Two-Stage Centrifugal Compressors for Automotive Hydrogen Fuel Cells

open access: yesApplied Sciences, 2022
At present, two-stage centrifugal compressors based on air bearing and high-speed motor technology are widely used in automotive hydrogen fuel cells.
Huaiyu Wang   +4 more
doaj   +1 more source

A new intake distortion design system for research

open access: yesXibei Gongye Daxue Xuebao, 2023
The intake distortion experiment is one of the important methods for aero-engine aerodynamic stability assessment. In this paper, in order to overcome the shortcomings of traditional design methods such as low accuracy in approximating the target ...
CUI Jiahang   +5 more
doaj   +1 more source

Study on Aerodynamic Design of the Front Auxiliary Inlet

open access: yesAerospace, 2023
Submerged inlets have been widely used in advanced aircraft due to their excellent stealth characteristics, but they also suffer from poor aerodynamic performance.
Junyao Zhang, Hao Zhan, Baigang Mi
doaj   +1 more source

Effects of Inlet Pressure Distortion on the Performance and Flow Field of a Centrifugal Compressor at Design Condition

open access: yesJournal of aerospace science and technology, 2023
The present paper presents experimental results on the effects of inlet total pressure distortion on the performance and flow field of a centrifugal compressor.
N. Sitaram, M. Govardhan, K. Murali
semanticscholar   +1 more source

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