Results 1 to 10 of about 2,567,418 (399)

Oil Change Interval Evaluation of Gearbox Used in Heavy-Duty Truck E-Axle with Oil Analysis Data

Lubricants, 2022
Regular lubricating oil change in the gearbox is desirable for improving vehicle reliability and reducing operating costs. To achieve this objective, evaluating the oil change interval is necessary.
Shufa Yan, Zhuo Kong, Hongwei Liu, Bin Li, Mao Fan, Xiaokun Zhang   +5 more
doaj   +1 more source

Influence of Wake Intensity on the Unsteady Flow Characteristics of the Integrated Aggressive Interturbine Duct

Applied Sciences, 2022
The interturbine transition duct (ITD), located between the high-pressure (HP) and low-pressure (LP) turbines of aeroengines, tends to be designed as an aggressive ITD integrated with wide-chord struts to meet the requirements of civil aeroengines for ...
Zhijun Lei, Hongrui Liu, Gang Li, Jianbo Gong, Yanfeng Zhang, Xingen Lu, Gang Xu, Junqiang Zhu   +7 more
doaj   +1 more source

Investigation of New Design Principles for the Centrifugal Compressor Vaned Diffusers

International Journal of Aerospace Engineering, 2022
Diffuser’s aerodynamic performance is crucial for the centrifugal compressors, while at present the universal principles for the optimization design of the vaned diffusers are still not available. In this paper, three vaned diffusers with different inlet
Qingkuo Li, Zhigang Sun, Xingen Lu, Yingjie Zhang, Ge Han   +4 more
doaj   +1 more source

Influence of Wake Sweeping Frequency on the Unsteady Flow Characteristics of an Integrated Aggressive Interturbine Duct

Applied Sciences, 2022
A dynamic simulation was launched to research the influence of high-pressure turbine (HPT) rotor wake passing frequency on the flow mechanism in an integrated aggressive interturbine duct (AITD).
Zhijun Lei, Shuang Sun, Gang Li, Hongrui Liu, Xiaoqing Ouyang, Yanfeng Zhang, Xingen Lu, Gang Xu, Junqiang Zhu   +8 more
doaj   +1 more source

Numerical Research on the Jet Mixing Mechanism of the De-Swirling Lobed Mixer Integrated with OGV

Energies, 2023
The outlet guide vane (OGV) is integrated with the lobed mixer to improve the exhaust system’s performance with a high core inlet swirl. The best location for integrating the OGV is along the central line of the lobe’s trough and near the exit plane of ...
Zhijun Lei, Hanliu Deng, Xiaoqing Ouyang, Yanfeng Zhang, Xingen Lu, Gang Xu, Junqiang Zhu   +6 more
doaj   +1 more source

Theoretical Prediction of Structural, Mechanical, and Thermophysical Properties of the Precipitates in 2xxx Series Aluminum Alloy

Metals, 2022
We presented a theoretical study for the structural, mechanical, and thermophysical properties of the precipitates in 2xxx series aluminum alloy by applying the widely used density functional theory of Perdew-Burke-Ernzerhof (PBE).
Xuewei Fang, Yefei Li, Qiaoling Zheng, Jianye Guo, Yanmei Yang, Weiyun Ding, Chunhui Ma, Ke He, Ningning Su, Jingyi Jiang, Xiaoxue Chen, Haoran Wang   +11 more
doaj   +1 more source

A Thermal Fluid–Solid Coupling Simulation of Gas Fuel Control Valves for High-Precision Gas Turbines

Aerospace, 2023
Gas fuel control valves play important roles in the control of gas flow in high-precision gas turbines. To clarify the influence of coupling between the structure and the fluid system, a thermal fluid–solid coupling mechanism is presented based on ...
Haoran Pan, Wei Li, Kaikai Luo, Rui Wang, Liesheng Xiao, Zeqing Lian   +5 more
doaj   +1 more source

Vortex Breakdown Control by the Plasma Swirl Injector

Applied Sciences, 2021
Vortex breakdown, observed in swirling flows, is an interesting physical phenomenon relevant to a wide range of engineering applications, including aerodynamics and combustion.
Gang Li, Xi Jiang, Wei Du, Jinhu Yang, Cunxi Liu, Yong Mu, Gang Xu   +6 more
doaj   +1 more source

Influence of Variable-Geometry Adjustment on the Matching Characteristics of a Medium Variable Bypass Ratio Compression System

Aerospace, 2023
The research is based on a full 3D model of a medium variable bypass ratio compression system. The effects of core-driven fan stage (CDFS) VIGV adjustment and forward variable area bypass injector (FVABI) adjustment on the internal flow and component ...
Qiaodan Luo, Shengfeng Zhao, Shiji Zhou, Huafeng Xu, Xiaoying Sheng   +4 more
doaj   +1 more source

Optimal Design and Analysis of a High-Load Supersonic Compressor Based on a Surrogate Model

Aerospace, 2023
To explore the internal flow mechanism and improve the performance of a supersonic compressor, an efficient global optimization design method was developed for an axial flow compressor and applied in the optimization design of a prototype supersonic ...
Shiji Zhou, Shengfeng Zhao, Chuangxin Zhou, Yunfeng Wu, Hang Yuan, Xingen Lu   +5 more
doaj   +1 more source