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aircraft engine

2019 — Study of the trajectories of ice shed by deicing system around aircraft engine

2019 — Study of the trajectories of ice shed by deicing system around aircraft engine

... around aircraft engine Hassan EL SAHELY ABSTRACT The problem of ice accretion caused accidents and incidents to aircraft over the past ...the aircraft which yields risk depending on the ...

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Aircraft engine health monitoring using Self-Organizing Maps

Aircraft engine health monitoring using Self-Organizing Maps

... 5 Conclusion and perspectives The method proposed in this paper is a useful tool to summarize and repre- sent the temporal evolution of an aircraft engine health flight after flight. The regression ...

14

Interpretable Aircraft Engine Diagnostic via Expert Indicator Aggregation

Interpretable Aircraft Engine Diagnostic via Expert Indicator Aggregation

... case, aircraft engine health monitoring which aims at detecting early signs of failures, among other applications [1, ...18]. Aircraft engines are gener- ally made extremely reliable by their ...

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UNREAL Project: Unveiling nucleation mechanism in aircraft engine exhaust and its link with fuel composition

UNREAL Project: Unveiling nucleation mechanism in aircraft engine exhaust and its link with fuel composition

... UNREAL Project: Unveiling nucleation mechanism in aircraft engine exhaust and its link with fuel composition Ismael K. Ortega 1 , Cristian Focsa 2 , Jean François Doussin 3 , Véronique Riffault 4 , Sylvain ...

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Aircraft engine fleet monitoring using Self-Organizing Maps and Edit Distance

Aircraft engine fleet monitoring using Self-Organizing Maps and Edit Distance

... an aircraft engine health flight after ...the engine health evolution in a synthetic manner and to provide codes for synthetic representation of trajectories, that enables the development of ...

11

Random model of vibrations for Foreign Object Damage detection in a civil aircraft engine

Random model of vibrations for Foreign Object Damage detection in a civil aircraft engine

... 4 Conclusions and future work In this article we tackled the issue of detecting an FOD after the shock has occured. We have pre- sented preliminary results obtained with a test rig that is different from a real ...

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2018 — 3D-modeling and simulation of transport and physicochemical transformations in a high pressure turbine of an aircraft engine

2018 — 3D-modeling and simulation of transport and physicochemical transformations in a high pressure turbine of an aircraft engine

... an engine aircraft which may affect the atmospheric environment ...assist aircraft engine manufacturers in solving the conflicting goals between the increasing of performance and their ...

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Two-dimensional modeling of an aircraft engine structural bladed disk-casing modal interaction

Two-dimensional modeling of an aircraft engine structural bladed disk-casing modal interaction

... 6.2 Friction coefficient As a first estimation, we can legitimately assume that a larger friction coefficient would reduce the interaction phenomenon by dissipating a larger amount of energy that could transfer from one ...

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Diagnostics of an Aircraft Engine Pumping Unit Using a Hybrid Approach based-on Surrogate Modeling

Diagnostics of an Aircraft Engine Pumping Unit Using a Hybrid Approach based-on Surrogate Modeling

... an aircraft engine pumping unit and had showed good results not only in computing the degradation modes signatures but also in evaluating detection and identification ...

9

A Methodology for the Diagnostic of Aircraft Engine Based on Indicators Aggregation

A Methodology for the Diagnostic of Aircraft Engine Based on Indicators Aggregation

... Abstract. Aircraft engine manufacturers collect large amount of engine related data during flights. These data are used to detect anomalies in the engines in order to help companies optimize their ...

16

Measurement of aircraft engine non-volatile PM emissions: results of the Aviation-Particle Regulatory Instrumentation Demonstration Experiment (A-PRIDE) 4 campaign

Measurement of aircraft engine non-volatile PM emissions: results of the Aviation-Particle Regulatory Instrumentation Demonstration Experiment (A-PRIDE) 4 campaign

... https://doi.org/10.1080/02786826.2015.1047012 Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Measurement of aircraft engine non-volatile PM ...

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DETERMINATION OF THE LOAD BEARING CAPACITY OF COMPOSITE FLANGES FOR AIRCRAFT ENGINE CASING APPLICATION: GENERAL METHODOLOGY AND DESIGN OF TESTING DEVICES SUPPORTED BY SIMULATION

DETERMINATION OF THE LOAD BEARING CAPACITY OF COMPOSITE FLANGES FOR AIRCRAFT ENGINE CASING APPLICATION: GENERAL METHODOLOGY AND DESIGN OF TESTING DEVICES SUPPORTED BY SIMULATION

... 14 5. CONCLUSIONS First steps in the design of specific tooling for testing of composite flanges for aircraft engine applications have been presented. First, the general design methodology based on the ...

14

Commericalization and transfer of technology in the U.S. jet aircraft engine industry

Commericalization and transfer of technology in the U.S. jet aircraft engine industry

... Thus, commercial engine requirements will be characterized by an increase in core specific thrust through higher turbine inlet temperatures and improved core efficiency, a decrea[r] ...

215

Aircraft engine performance improvements using multistage compressors with actively controlled stall lines

Aircraft engine performance improvements using multistage compressors with actively controlled stall lines

... The study applied the additional stall margin available from active control toward optimizing compressor efficiency and raising cycle pressure ratios. The effects on thrust and specific[r] ...

139

Demand forecasting for aircraft engine aftermarket

Demand forecasting for aircraft engine aftermarket

... As shown in Figure 11, accumulative scrap rates apparently converge to a stable rate in the long term despite the wide range of values selected for incremental scrap rates[r] ...

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Design Aircraft Engine Bivariate Data Phases using Change-Point Detection Method and Self-Organizing Maps

Design Aircraft Engine Bivariate Data Phases using Change-Point Detection Method and Self-Organizing Maps

... Abstract. Analysing multivariate time series created by sensors during a flight or a bench test represents a new challenge for aircraft engi- neers. Each time series can be decomposed univariately into a series of ...

13

Analysis of Japanese aircraft engine

Analysis of Japanese aircraft engine

... Fuel from the injection pump is delivered through high pressure lines to the injection nozzles which are positioned in a common inlet manifold for each bank of.. cylinders.[r] ...

58

Aircraft Engine Performance Study Using Flight Data Recorder Archives

Aircraft Engine Performance Study Using Flight Data Recorder Archives

... the engine performance in all the phases of ...the engine performance ...various engine performance parameters are observed as a function of the altitude ...an engine analysis model is used to ...

13

Review: Volcanic ash and its influence on aircraft engine components

Review: Volcanic ash and its influence on aircraft engine components

... compromise engine conditions in at least three significant ways: (1) erosion of compressor blades, reducing aerodynamic efficiency of the airfoils and even causing engine stall; (2) plugging of cooling ...

10

Adaptive estimation algorithm for aircraft engine performance monitoring

Adaptive estimation algorithm for aircraft engine performance monitoring

... A broader way to tackle the problem at hand is to view it in the realm of adaptive estimation [4]. The basic idea consists of momentarily increasing the mobility of the health parameters to recognize a rapid degradation. ...

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