Analysis of Fir Tree Root of Aero-engine Disc Assembly for Simultaneous Optimization of Fretting Characteristics
Sign Up to like & getrecommendations! Published in 2018 at "Journal of The Institution of Engineers (India): Series C"
DOI: 10.1007/s40032-018-0480-4
Abstract: An aero-engine fir tree blade disc assembly is much proven to fretting fatigue damages due to centrifugal and vibrating conditions. This paper examines the effect of disc speed, contact angle and co-efficient of friction on fretting… read more here.
Keywords: aero engine; analysis; fir tree; disc assembly ... See more keywords
Tracking Controller Design for Aero-Engine Based on Improved Multi-Power Reaching Law of Sliding Mode Control
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Aeronautical and Space Sciences"
DOI: 10.1007/s42405-019-00159-4
Abstract: A multi-power reaching law of sliding mode control is applied to aero-engine control, for which the tracking controller is designed based on sliding mode control. An improved multi-power reaching law of sliding mode control is… read more here.
Keywords: sliding mode; reaching law; control; aero engine ... See more keywords
Parametric design of non-axisymmetric separate-jet aero-engine exhaust systems
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.05.038
Abstract: Abstract Future civil air vehicles are likely to feature propulsion systems which are more closely integrated with the airframe. For a podded underwing configuration, this close coupling is expected to require non-axisymmetric design capabilities for… read more here.
Keywords: axisymmetric separate; engine exhaust; aero engine; engine ... See more keywords
The use of hybrid intuitive class shape transformation curves in aerodynamic design
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.105473
Abstract: Abstract The inherent mathematical smoothness of intuitive class shape transformation (iCST) curves has been shown to be suitable for the design of aerodynamic shapes. However, this property means that any changes to a constraint are… read more here.
Keywords: intuitive class; class shape; shape transformation; aero engine ... See more keywords
Four-axis trochoidal toolpath planning for rough milling of aero-engine blisks
Sign Up to like & getrecommendations! Published in 2019 at "Chinese Journal of Aeronautics"
DOI: 10.1016/j.cja.2018.09.001
Abstract: Abstract The Blade Integrated Disk (Blisk) is one of the key components in the aero-engine, it is generally manufactured by the multi-axis milling and almost 90% raw materials are removed. To avoid the full immersion… read more here.
Keywords: axis; trochoidal toolpath; aero engine; four axis ... See more keywords
Optimal location and shape definition of elliptical ventilation openings on aero engine turbine rotors with stress concentration effect
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Journal of Aeronautics"
DOI: 10.1016/j.cja.2021.05.003
Abstract: Abstract The aero engine turbine rotors are under strong centrifugal load and the highest thermal load. The ventilation openings on the rotors are inevitable, because air flow need to pass through them to cool the… read more here.
Keywords: concentration effect; ventilation; stress concentration; aero engine ... See more keywords
A trajectory planning method on error compensation of residual height for aero-engine blades of robotic belt grinding
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Journal of Aeronautics"
DOI: 10.1016/j.cja.2021.06.018
Abstract: Abstract While the traditional trajectory planning methods are used in robotic belt grinding of blades with an uneven machining allowance distribution, it is hard to obtain the preferable profile accuracy and surface quality to meet… read more here.
Keywords: belt grinding; trajectory planning; method; robotic belt ... See more keywords
Thermodynamic analysis of nutating disc engine topping cycles for aero-engine applications
Sign Up to like & getrecommendations! Published in 2019 at "Energy"
DOI: 10.1016/j.energy.2019.05.180
Abstract: Abstract Within the next thirty years the evolutionary approach to aero engine development will struggle to keep abreast with increasingly stringent environmental targets. Therefore radical approaches to aero-engine development in terms of energy savings need… read more here.
Keywords: nutating disc; methodology; aero engine; thermodynamic analysis ... See more keywords
An aero-engine U-control method based on LPV model
Sign Up to like & getrecommendations! Published in 2020 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2020.12.2101
Abstract: Abstract Due to the harsh working environment and various constraints, the engine control unit (ECU) has very limited computational ability and few control methods can be applied to the real-word ECU maturely. Developing advanced control… read more here.
Keywords: engine; lpv model; aero engine; control ... See more keywords
Vibration signal model of an aero-engine rotor-casing system with a transfer path effect and rubbing
Sign Up to like & getrecommendations! Published in 2019 at "Measurement"
DOI: 10.1016/j.measurement.2019.02.049
Abstract: Abstract This paper addresses modeling of vibration signals produced by rotor-localized excitation and modulated by multi-paths in an aero-engine rotor-casing system. The aim is to provide a better understanding of specific features of measurement point… read more here.
Keywords: rotor; engine rotor; vibration; aero engine ... See more keywords
A new spallation mechanism of thermal barrier coatings on aero-engine turbine blades
Sign Up to like & getrecommendations! Published in 2018 at "Theoretical and Applied Mechanics Letters"
DOI: 10.1016/j.taml.2018.01.007
Abstract: ABSTRACT Laboratory experiments were conducted to study the spallation behaviour of thermal barrier coatings (TBCs) on aero-engine turbine blades manufactured by the electron-beam physical vapour deposition technique (EB-PVD). Intact blades were heated at temperature 1135°C… read more here.
Keywords: spallation; aero engine; turbine blades; thermal barrier ... See more keywords