Light-weighting in aerospace component and system design
June 2018
Light-weighting involves the use of advanced materials and engineering methods to enable structural elements to deliver the same, or enhanced, technical performance while using less material. The concept...
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Review on film cooling of liquid rocket engines
March 2018
Film cooling in combination with regenerative cooling is presently considered as an efficient method to guarantee safe operation of liquid rocket engines having higher heat flux densities for long duration....
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Micro gas turbine: Developments, applications, and key technologies on components
March 2023
Owing to their precedent characteristics, micro gas turbines (MGTs) have been favored as popular power machinery in plenty of energy systems such as distributed energy systems, range extenders, solar...
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A review of cooling technologies for high temperature rotating components in gas turbine
September 2022
Modern gas turbines work under demanding high temperatures, high pressures, and high rotational speeds. In order to ensure durable and reliable operation, effective cooling measures must be applied...
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Design and analysis of annular combustion chamber of a low bypass turbofan engine in a jet trainer aircraft
June 2016
The design of an annular combustion chamber in a gas turbine engine is the backbone of this paper. It is specifically designed for a low bypass turbofan engine in a jet trainer aircraft. The combustion...
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Joule heating and viscous dissipation effect on electroosmotic mixed convection flow in a vertical microchannel subjected to asymmetric heat fluxes
March 2021
The impact of Joule heating due to electric double layer (EDL) and viscous dissipation on electroosmotic mixed convection flow in a vertical microchannel with asymmetric heat fluxes is established in...
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Turbine blade temperature calculation and life estimation - a sensitivity analysis
June 2013
The overall operating cost of the modern gas turbines is greatly influenced by the durability of hot section components operating at high temperatures. In turbine operating conditions, some defects...
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Recent progress in conical shock wave/boundary layer interaction with spanwise pressure gradient
September 2024
A common denominator between conical-symmetry and conical shock interaction is the spanwise pressure gradient, which perform more non-uniformity and its interaction flow is more complicated than the...
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Characterization and manufacturing of a paraffin wax as fuel for hybrid rockets
September 2018
The hybrid propulsion performed with paraffin waxes exhibits most attractive capabilities compared to solid or liquid engines, e.g., throttleability and re-ignition, alongside higher regression rates...
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Effects of injection timing, before and after top dead center on the propulsion and power in a diesel engine
June 2014
It is well known that injection strategies including the injection timing and pressure play the most important role in determining engine performance, especially in pollutant emissions. However, the...
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Structural design of aeroengine radiators: State of the art and perspectives
September 2024
Structural modularization, lightweight and functional integration are the urgent development directions for next generation high-performance aeroengines. Heat concentration during aeroengine operation...
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Review: laser ignition for aerospace propulsion
March 2016
Renewed interest in the use of high-speed ramjets and scramjets and more efficient lean burning engines has led to many subsequent developments in the field of laser ignition for aerospace use and application....
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Numerical and experimental investigation to design a novel morphing airfoil for performance optimization
March 2023
Optimizing flying objects' wing performance has attracted a significant attention in the last few decades. In this article, some of the main mechanisms for changing the geometry of the wing were investigated...
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Recent research progress on airbreathing aero-engine control algorithm
March 2022
Airbreathing aero-engines are regarded as excellent propulsion devices from ground takeoff to hypersonic flight, and require control systems to ensure their efficient and safe operation. Therefore,...
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A comprehensive aerodynamic-thermal-mechanical design method for fast response turbocharger applied in aviation piston engines
June 2024
Limited by the poor transient response performance of turbochargers, the dynamic performance of aviation piston engines tends to deteriorate. In a bid to enhance the turbocharger's acceleration capabilities,...
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Improving the performance of LOX/kerosene upper stage rocket engines
September 2017
Improved liquid rocket engine cycles were proposed and analyzed via comparison with existing staged combustion and gas-generator cycles. The key features of the proposed cycles are regenerative cooling...
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Effect of surface roughness on the aerodynamic performance of turbine blade cascade
June 2014
The effect of surface roughness on the boundary development and loss behavior of turbine blades is investigated with different Reynolds numbers in this paper. The result shows that the velocity profile...
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Experimental and numerical investigations of the dry-low-NOx hydrogen micromix combustion chamber of an industrial gas turbine
September 2015
Combined with the use of renewable energy sources for its production, hydrogen represents a possible alternative gas turbine fuel within future low emission power generation. Due to the large difference...
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In-service aircraft engines turbine blades life prediction based on multi-modal operation and maintenance data
December 2021
The in-service life of turbine blades directly affects the on-wing lifetime and operating cost of aircraft engines. It would be essential to accurately evaluate the remaining useful life of turbine...
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Design of a two spool contra-rotating turbine for a turbo-fan engine
September 2020
Contra-rotating turbines offer enhanced performance over their conventional co-rotating configurations. In addition, vaneless contra-rotating turbine stages offer lesser stage length along with improved...
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Design of a high-performance centrifugal compressor with new surge margin improvement technique for high speed turbomachinery
March 2018
This paper presents the design of a centrifugal compressor for high-speed turbomachinery. The main focus of the research is to develop a centrifugal compressor with improved aerodynamic performance....
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Deep learning-based modeling method for probabilistic LCF life prediction of turbine blisk
March 2024
Turbine blisk is one of the typical components of gas turbine engines. The fatigue life of turbine blisk directly affects the reliability and safety of both turbine blisk and aeroengine whole-body....
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Exploring the impact of stratification on the dynamics of bioconvective thixotropic fluid conveying tiny particles and Cattaneo-Christov model: Thermal storage system application
September 2024
Stratified thermal storage promotes energy sustainability by storing excess energy during times of low demand for later use making it possible to integrate renewable energy sources like solar and wind....
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Nozzle geometry variations on the discharge coefficient
March 2016
Numerical works have been conducted to investigate the effect of nozzle geometries on the discharge coefficient. Several contoured converging nozzles with finite radius of curvatures, conically converging...
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Numerical modelling of the hybrid rocket engine performance
March 2021
The purpose of this paper is to present method of the numerical modeling of the hybrid rocket engine's work as a tool for designing engines of this type. The model is intended as an accurate and simple...
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