Characterization of a Lightly Loaded Underfloor Catalyzed Gasoline Particulate Filter in a Turbocharged Light Duty Truck [0.03%]
应用于涡轮增压轻型车中的汽油颗粒过滤器的特性研究
Stanislav V Bohac,Scott Ludlam
Stanislav V Bohac
A test program to characterize the benefits and challenges of applying a European series production catalyzed gasoline particulate filter (GPF) to a U.S. Tier 2 turbocharged light duty truck (3.5L Ecoboost Ford F150) in the underfloor locat...
Effects of Double-Side Labyrinth Seals on Aerodynamic Performance in a Transonic Shrouded Turbine Stage [0.03%]
双侧迷宫密封对亚音速带轮叶栅通道气动性能的影响研究
Weihang Li,Shaowen Chen,Hongyan Liu et al.
Weihang Li et al.
Labyrinth seals on both rotor casing and blade tip as an effective method to control the leakage flowrate of the shroud and improve aerodynamic performances in a transonic turbine stage are investigated in this study. Compared to the case w...
Dynamic Performance of an Oil Starved Squeeze Film Damper Combined With a Cylindrical Roller Bearing [0.03%]
油膜减薄的收敛性油气轴承节流阻尼器的动压性能研究
H Meeus,J Fiszer,G Van De Velde et al.
H Meeus et al.
Squeeze film dampers (SFDs) are widely used to dissipate mechanical energy caused by rotor vibrations as well as to improve overall stability of the rotor system. Especially turbomachine rotors, supported on little damped rolling element be...
Prediction of Burst Pressure in Multistage Tube Hydroforming of Aerospace Alloys [0.03%]
航空铝合金多级管材液压成形的爆裂压力预测
M Saboori,J Gholipour,H Champliaud et al.
M Saboori et al.
Bursting, an irreversible failure in tube hydroforming (THF), results mainly from the local plastic instabilities that occur when the biaxial stresses imparted during the process exceed the forming limit strains of the material. To predict ...
Zhi Tao,Da Zhang,Xiang Luo et al.
Zhi Tao et al.
This paper has experimentally and numerically studied the windage heating in a shrouded rotor-stator disk system with superimposed flow. Temperature rise in the radius direction on the rotating disk is linked to the viscous heating process ...
Zoe Burton,Simon Hogg,Grant L Ingram
Zoe Burton
It has been widely recognized for some decades that it is essential to accurately represent the strong coupling between the last stage blades (LSB) and the diffuser inlet, in order to correctly capture the flow through the exhaust hoods of ...
Numerical Investigation on Aerodynamic and Combustion Performance of Chevron Mixer Inside an Afterburner [0.03%]
斜齿肋混合器的气动和燃烧性能数值研究
Shan Yong,Zhang JingZhou,Wang Yameng
Shan Yong
To improve the performance of the afterburner for the turbofan engine, an innovative type of mixer, namely, the chevron mixer, was considered to enhance the mixture between the core flow and the bypass flow. Computational fluid dynamics (CF...
Effects of Cavity on the Performance of Dual Throat Nozzle During the Thrust-Vectoring Starting Transient Process [0.03%]
收敛扩散喷管矢量启动过程中的腔室效应研究
Rui Gu,Jinglei Xu
Rui Gu
The dual throat nozzle (DTN) technique is capable to achieve higher thrust-vectoring efficiencies than other fluidic techniques, without compromising thrust efficiency significantly during vectoring operation. The excellent performance of t...
Design and Experimental Study of an Over-Under TBCC Exhaust System [0.03%]
上下排列的TBCC组合发动机排气系统设计与实验研究
Jianwei Mo,Jinglei Xu,Liuhuan Zhang
Jianwei Mo
Turbine-based combined-cycle (TBCC) propulsion systems have been a topic of research as a means for more efficient flight at supersonic and hypersonic speeds. The present study focuses on the fundamental physics of the complex flow in the T...
Conceptual Mean-Line Design of Single and Twin-Shaft Oxy-Fuel Gas Turbine in a Semiclosed Oxy-Fuel Combustion Combined Cycle [0.03%]
半封闭氧气燃料循环中单轴和双轴氧气燃气轮机的概念级设计方法研究
Majed Sammak,Egill Thorbergsson,Tomas Grönstedt et al.
Majed Sammak et al.
The aim of this study was to compare single- and twin-shaft oxy-fuel gas turbines in a semiclosed oxy-fuel combustion combined cycle (SCOC-CC). This paper discussed the turbomachinery preliminary mean-line design of oxy-fuel compressor and ...