Research progress of Ti2AlNb alloy and feasibility analysis of its application in aero engines by PEI Huiping, LIU Dong, YAO Lipan, SHAO Tianmin, LIU Qiaomu, LIU Liangliang, CHEN Qianming

Get full text

Swirling Flow Field inside a Hollow Turbine Shaft for an Internal Cooling Air System by Tadaharu Kishibe, Shojiro Kaji

Get full text

The paths to carbon neutrality in the Russian electric power industry by N. G. Lyubimova

“…To reduce the carbon intensity of electricity production and maintain “carbon neutrality” in the future Russia has to increase generation at nuclear, hydroelectric and other renewable energy sources, take measures to improve the fuel combustion efficiency at coal-fired power plants and introduce more economical gas turbine and combined cycle equipment installations at gas power plants.…”
Get full text

Analysis and Research of the High-Cycle Fatigue Fracture Mode Based on Stress Ratio and Residual Stress of Ti-6Al-4V by Fu Wang, Jian-Jun Wang, Qin-Sheng Li, Guo-Zhu Ren, Xin-Jian Zhang, Shu-quan Zhang

“…They are widely used in aircraft fuselage, gas turbine, petrochemical, automotive industry, medical, and other fields for important parts.…”
Get full text

Critical Development of Electric Fixed-Wing Manned Civil Aircraft by Yu Yifei

“…For several small business and regional aircraft that have been put into use or completed test flights, this paper explores their economics and whether their current cost is competitive with similar conventional gas turbine aircraft.…”
Get full text

Effect of Low Ambient Pressure on Spray Cone Angle of Pressure Swirl Atomizer by Zhengyan Guo, Yi Jin, Kai Zhang, Kanghong Yao, Yunbiao Wang, Di Wu, Xiaomin He, Mei Zheng

“…Pressure swirl atomizers are widely used in gas turbine combustor; this paper is aimed at researching the effect of low ambient pressure (0.1 MPa to 0.01 MPa, lower than an atmosphere) on the spray cone angle of pressure swirl atomizer. …”
Get full text

Electric Aviation Development and Future Prospect by Li Zhoujinpeng

“…As concerns over environmental issues and energy shortages grow, electrified aircraft could emerge as a viable alternative to gas turbine aircraft, offering reduced carbon emissions and lower operational costs. …”
Get full text

Effects of Rotation at Different Channel Orientations on the Flow Field inside a Trailing Edge Internal Cooling Channel by Matteo Pascotto, Alessandro Armellini, Luca Casarsa, Claudio Mucignat, Pietro Giannattasio

“…The flow field inside a cooling channel for the trailing edge of gas turbine blades has been numerically investigated with the aim to highlight the effects of channel rotation and orientation. …”
Get full text

Numerical Investigation of the Wake Vortex-Related Flow Mechanisms in Transonic Turbines by Guoliang Wang, Ning Ge, Dongdong Zhong

“…As the core equipment of the power generation system, a gas turbine is an indispensable energy-converting device in the national industry. …”
Get full text

Modal Analysis for a Rod-Fastened Rotor considering Contact Effect Based on Double Fractal Model by Yang Liu, Qi Yuan, Pu Li, Guangyu Zhu

“…The rod-fastened rotor is the core component of the gas turbine. It comprises several discs and tie rods. …”
Get full text

Comparison of Creep Properties of Cast and Wrought Haynes 282 Superalloy by Young-Joo Kim, Jae-Hyeun Park, Yong-Sik Ahn

“…Ni-based superalloy Haynes 282 was developed as a gas turbine material for use in the ultra-supercritical (USC) stage of next-generation coal-fired power plants. …”
Get full text

Numerical Investigation on Primary Atomization Mechanism of Hollow Cone Swirling Sprays by Jia-Wei Ding, Guo-Xiu Li, Yu-Song Yu, Hong-Meng Li

“…The atomization process of swirling sprays in gas turbine engines has been investigated using a LES-VOF model. …”
Get full text

CFD-Guided Development of Test Rigs for Studying Erosion and Large-Particle Damage of Thermal Barrier Coatings by Maria A. Kuczmarski, Robert A. Miller, Dongming Zhu

“…Burner rigs are routinely used to qualify materials for gas turbine applications. The most useful rig tests are those that can replicate, often in an accelerated manner, the degradation that materials experience in the engine. …”
Get full text

Designing model for adaptive variable withdrawal rate strategies to control misaligned grains during directional solidification of large-sized complex-shaped turbine blades by Yang Liu, Fu Wang, Jing Wang, Qiang Yang, Dichen Li, Jiantao Wu

“…Misaligned grains present significant challenges in the directional solidification of complex-shaped industrial gas turbine (IGTs) blades made from Ni-based superalloys using the Bridgman method. …”
Get full text

Fatigue Reliability Analysis System for Key Components of Aero-Engine by Huizhi Qi, Yaqing Lu, Shufang Song, Qiannan Xu

Get full text

Film Effectiveness Downstream the Trenches with Tilted Target Wall by Fan Yang, Mohammad E. Taslim

“…Film cooling is a commonly-accepted effective way to protect the gas turbine hot sections from the high temperature products of the combustion chamber. …”
Get full text

Life Cycle Costs and Life Cycle Assessment for the Harvesting, Conversion, and the Use of Switchgrass to Produce Electricity by Nuttapol Lerkkasemsan, Luke E. K. Achenie

“…Using an average agriculture land fraction of the United States at 0.4, the estimated cost of electricity from pyrolysis of 5000 tons of switchgrass is the lowest at $0.12 per kwh. Using natural gas turbine power plant for electricity generation, the price of electricity can go as low as 7.70 cent/kwh. …”
Get full text

Characterization of Thermally Sprayed Coated GT Components Made of 3D Printing Based Selective Laser Melting Processed Inconel Alloy 718 by Mohammed Yunus, Mohammad S. Alsoufi

“…Modified outer surface of components in the GT (gas turbine) improves the performance by the increase of inlet temperature, enhancing longer life and providing many interrelated surfaces to withstand severe working conditions. …”
Get full text

Design of an alumina forming coating for Nb-base refractory alloys by Collin S. Holgate, Carolina Frey, Melina A. Endsley, Akane Suzuki, Carlos G. Levi, Tresa M. Pollock

“…Refractory multi-principal element alloys (RMPEAs) promise to significantly enhance gas turbine engine efficiency, but their poor oxidation performance inhibits their implementation. …”
Get full text

Film Cooling Optimization Using Numerical Computation of the Compressible Viscous Flow Equations and Simplex Algorithm by Ahmed M. Elsayed, Farouk M. Owis, M. Madbouli Abdel Rahman

“…Film cooling is vital to gas turbine blades to protect them from high temperatures and hence high thermal stresses. …”
Get full text