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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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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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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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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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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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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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 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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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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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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Entropy generation minimization in the Carreau nanofluid flow over a convectively heated inclined plate with quadratic thermal radiation and chemical reaction: A Stefan blowing application
June 2024
Entropy analysis can help to identify the sources of entropy generation in a heat transfer process more accurately than other methods, such as energy efficiency analysis. This is because entropy analysis...
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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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A multi-objective and CFD based optimization of roof-flap geometry and position for simultaneous drag and lift reduction
March 2024
As the transport sector is responsible for the consumption of a vast proportion of the oil produced, it is mandatory to research feasible solutions to tackle this issue. The application of aerodynamic...
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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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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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Optimization of operating conditions in the steam turbine blade cascade using the black-box method
December 2023
Water droplets cause corrosion and erosion, condensation loss, and thermal efficiency reduction in low-pressure steam turbines. In this study, multi-objective optimization was carried out using the...
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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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A novel approach for the design of axial flow fan by increasing by-pass ratio in a constant-diameter turbofan
June 2020
The present study introduces an innovative aerodynamic redesign of an axial flow fan based on constant diffusion factor and radial equilibrium. All input design parameters such as mass flow rate, hub...
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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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Natural convection in nanofluid enclosure under magnetic field: Entropy generation and economic analysis
June 2024
This study investigates the unsteady natural convection and entropy generation under the effects of magnetic field and baffles inside a nanofluid filled E-shaped enclosure. The nanofluid flow is driven...
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Effect of expansion waves on cowl shock wave and boundary layer interaction in hypersonic inlet
March 2024
The interaction of cowl shock wave and boundary layer has a crucial effect on the stability, operability and performance of hypersonic inlets. Many studies on inhibiting the separation and managing...
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Future aircraft cabins and design thinking: optimisation vs. win-win scenarios
June 2013
With projections indicating an increase in mobility over the next few decades and annual flight departures expected to rise to over 16 billion by 2050, there is a demand for the aviation industry and...
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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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