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Effects of Various Geometric Features on the Performance of a 7:1 Pressure Ratio Deeply Scalloped and Split Radial Turbine in a Gas Turbine Engine
A 2 MW gas turbine engine has been developed for the distributed power market. This engine features a 7:1 pressure ratio radial inflow turbine. In...
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Measurements of the Instantaneous Temperature Values of Gas Turbine Engine Gases Using Acoustic Multivibrators
AbstractA differential device has been developed for measuring the temperature in the control channel of a gas turbine engine (GTE), where the...
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Experimental Investigation of the Mixing Device of Gas-Turbine Engine Afterburner
AbstractThe processes of fuel-air mixture formation in the afterburner of a gas-turbine engine are studied. The experiments are performed with an...
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Flow Angularity and Swirl Flow Analysis on Transonic Compressor Rotor by 1-Dimensional Dynamic Turbine Engine Compressor Code and CFD Analysis
Abstract—The performance and stability of a low-bypass turbofan transonic axial compressor with a nonuniform inlet flow is a significant concern in...
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Improvement of Film Cooling Design for Turbine Vane Leading Edge Considering Combustor Outflow
As the interaction between the combustor and the turbine in the aero-engine continues to increase, the film cooling design considering the combustor...
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Multi-Fidelity Simulation of Gas Turbine Overall Performance by Directly Coupling High-Fidelity Models of Multiple Rotating Components
Multi-fidelity simulations incorporate computational fluid dynamics (CFD) models into a thermodynamic model, enabling the simulation of the overall...
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Comparative Study on Different Methods for Prediction of Thermal Insulation Performance of Thermal Barrier Coating Used on Turbine Blades
As turbine inlet temperature gets higher and higher, thermal barrier coating (TBC) is more and more widely used in turbine blades. For turbine blades...
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Characterization of Swirling Inflow Effects on Turbine Performance under Pulsating Flows
The present study focuses on the influence of the swirling flows on flow behaviors and performance of a radial-flow turbocharger turbine under...
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Studying the Possibility of In-Flight Identification of Contact between the Fan Blades and the Body of a Gas Turbine Engine
AbstractIn the work, (i) the danger of the contact between the fan impeller blades and the body of a gas turbine engine (GTE) is justified, (ii) the...
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A Surrogate Model for a CAES Radial Inflow Turbine with Test Data-Based MLP Neural Network Algorithm
It is usually to conduct a full-scale three-dimensional flow analysis for a radial turbine to find a way to increase the efficiency of a Compressed...
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Effect of Incoming Vortex on Secondary Flows in Turbine Cascades with Planar and Non-Axisymmetric Endwall
Non-Axisymmetric Endwall Profiling (NAEP) is commonly utilized in turbines to eliminate secondary flows. Nevertheless, most of the NAEP methods...
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Effects of Freestream Turbulence, Reynolds Number and Mach Number on the Boundary Layer in a Low Pressure Turbine
In order to investigate the aerodynamics of a high speed low pressure turbine works in high Mach number and low Reynold number environment, the...
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Carbon Deposition on the Venturi of a Gas Turbine Combustor Using Ethanol-Kerosene Blends
This paper reports an investigation of carbon deposition on the venturi component of a gas turbine combustor fueled with ethanol/kerosene fuel...
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Modal Analysis and Vortex Trajectory Description for Tip Leakage Flow of a Transonic Turbine Cascade
Tip leakage vortex (TLV), which develops from the clearance between the turbine blade and casing, has been studied for decades. Nevertheless, some...
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Determination of the Parameters of the Process of Wet Cleaning of the Flow Path of Gas Turbine Engines Based on a Generalized Model of Friction and Wear
Abstract —To determine the rational parameters of the wet cleaning process of the gas turbine engine flow path, it is proposed to conduct tests...
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Thermodynamic Performance Analysis of E/F/H-Class Gas Turbine Combined Cycle with Exhaust Gas Recirculation and Inlet/Variable Guide Vane Adjustment under Part-Load Conditions
Exhaust gas recirculation control (EGRC), an inlet air heating technology, can be utilized in combination with inlet/variable guide vane control...
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Performance Assessment of a Novel Polygeneration System Based on the Integration of Waste Plasma Gasification, Tire Pyrolysis, Gas Turbine, Supercritical CO2 Cycle and Organic Rankine Cycle
In this paper, a novel polygeneration system involving plasma gasifier, pyrolysis reactor, gas turbine (GT), supercritical CO 2 (S-CO 2 ) cycle, and...
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Effects of Ribbed-Cavity Tip on the Blade Tip Aerothermal Performance in a High Pressure Turbine Stage
For unshrouded blade tip, the high-temperature gas flows through the tip clearance by force of the lateral pressure difference. Thereby, the blade...
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Film Cooling Effectiveness Superposition Calculation of Double-Row Injection Holes on Turbine Vane
Film cooling effectiveness superposition of double-row injection holes on the turbine vane was studied by infrared temperature measurement...
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Numerical Investigation of a Turbine Stator with Nonaxisymmetric Endwall Profiling
Nonaxisymmetric endwall is an effective method to reduce secondary loss and improve aerodynamic performance. In this paper, a nonaxisymmetric endwall...