Han Cheng
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View article: Role of advanced heart failure and transplant teams in extracorporeal membrane oxygenation management
Role of advanced heart failure and transplant teams in extracorporeal membrane oxygenation management Open
This article comments on the research by Zhang et al on the role of advanced heart failure and transplant teams in extracorporeal membrane oxygenation (ECMO) management. The study by Zhang et al indicates that direct advanced heart failure…
View article: CFD Simulation and Analysis of Velocity, Temperature, and Pressure Fields for Salt-Carrying Steam Flow in a U-Bend Tube
CFD Simulation and Analysis of Velocity, Temperature, and Pressure Fields for Salt-Carrying Steam Flow in a U-Bend Tube Open
To investigate the influence of salt transport in water–steam mixtures on flow and heat transfer and to ensure the operational safety of steam injection boilers, this study simulated the behavior of high-dryness steam carrying salts in U-t…
View article: Parameters analysis and process optimization of shell precision thermoforming
Parameters analysis and process optimization of shell precision thermoforming Open
In this study, the aluminium alloy shell forming process is firstly studied and analysed. After that, the three-dimensional modelling software SOLIDWORKS is used to analyse and model the workpieces and the convex and concave dies of each p…
View article: Research on the influence of length-width ratio on cruciform parachute airdropping performance
Research on the influence of length-width ratio on cruciform parachute airdropping performance Open
Different from the other design parameters in general drogues, there are few studies about the parameter of Length-Width Ratio (LWR). Therefore, the fluid structure coupling model based on the Finite Element Method was used to study the de…
View article: Effects of Boron Content on the Microstructure and Impact Toughness of 12Cr1MoVR Low-Alloy Heat-Resistant Steel Weld Metals
Effects of Boron Content on the Microstructure and Impact Toughness of 12Cr1MoVR Low-Alloy Heat-Resistant Steel Weld Metals Open
The impact toughness of low-Cr heat-resistant steel weld metal is an important problem to broaden the application of low-Cr heat-resistant steel. In this study, the microstructure and impact toughness of 12Cr1MoVR low-alloy heat-resistant …
View article: Investigation of droplet impact on inclined fabric based on CMOS imaging technology and FSI numerical method
Investigation of droplet impact on inclined fabric based on CMOS imaging technology and FSI numerical method Open
In order to study the impact characteristics of droplet on inclined fabric, the relevant experiment was setup in this paper.The process of a single droplet (2.12 mm) impacting inclined fabric (45°) was captured by CMOS (ComplementaryMetal-…
View article: MODAL ANALYSIS BASED ON AN INTEGRAL EQUATION METHOD FOR CHARACTERIZING WIRELESS CHANNELS IN A FULLY-ENCLOSED ENVIRONMENT
MODAL ANALYSIS BASED ON AN INTEGRAL EQUATION METHOD FOR CHARACTERIZING WIRELESS CHANNELS IN A FULLY-ENCLOSED ENVIRONMENT Open
View article: Numerical study of rainstorm influence on parachute airdropping based on the smoothed particle hydrodynamics/arbitrary Lagrangian–Eulerian coupling method
Numerical study of rainstorm influence on parachute airdropping based on the smoothed particle hydrodynamics/arbitrary Lagrangian–Eulerian coupling method Open
In order to study the influence of rainstorm on parachute dropping, the smoothed particle hydrodynamics/arbitrary Lagrangian–Eulerian coupling method is proposed. Finite elements are used to describe the continuous material such as fabric …
View article: Analysis on anti-ice properties of aero aluminum alloy with weak wettability
Analysis on anti-ice properties of aero aluminum alloy with weak wettability Open
Aero aluminum alloy skin of airframe and aerofoil is easy to freeze at low temperature, and endangering flight safety. Therefore, it is of great importance to improve the anti-ice ability of aero aluminum alloy. In this paper, the contact …
View article: Investigation of single droplet impact on canopy fabric
Investigation of single droplet impact on canopy fabric Open
As raindrops impact on the canopy, the impact force and canopy vibration will be produced. And the impacting will seriously affect the deceleration characteristics of the parachute system. However, it is very difficult to obtain the impact…
View article: An Aerodynamic Calculation Model for anti-torque system of NOTOR
An Aerodynamic Calculation Model for anti-torque system of NOTOR Open
The existing experimental methods and numerical models were difficult to get accurate aerodynamic characteristics of the anti-torque system of a NOTOR under rotor wake. To solve this problem, a new three-dimensional aerodynamic model with …
View article: Molecular Dynamics Simulation on Cavitation Bubble Collapse
Molecular Dynamics Simulation on Cavitation Bubble Collapse Open
The characteristics of bubble collapse are especially important for its application in cavitation-protection, super cavitation and aerospace. In that case, it is necessary to control the collapse process of bubble accurately according to r…
View article: Numerical Study of Extra-Large Parachute’s Pre-Inflation in Finite Mass Situation
Numerical Study of Extra-Large Parachute’s Pre-Inflation in Finite Mass Situation Open
The extra-large parachutes were different from the common parachutes because of their size and opening process. Some undesirable inflation phenomena such as canopy winding and whipping usually appeared in their pre-inflation process. Howev…
View article: Optimal decentralized coded caching for heterogeneous files
Optimal decentralized coded caching for heterogeneous files Open
Caching is a technique to reduce the peak network load by pre-fetching some popular contents at the local caches of end users. Coded caching can facilitate and exploit the coded-multicasting opportunities for users with different demands, …
View article: Microstructure and mechanical properties of rostrum in <i>Cyrtotrachelus longimanus</i> (Coleoptera: Curculionidae)
Microstructure and mechanical properties of rostrum in <i>Cyrtotrachelus longimanus</i> (Coleoptera: Curculionidae) Open
The microstructure, composition and mechanical properties of the rostrum in Cyrtotrachelus longimanus (JHC Fabre) were studied utilizing light, fluorescent, scanning electron microscopy (SEM) and energy-dispersive spectroscopy. SEM …
View article: Numerical study of lateral wind effect on parachute dropping based on finite element method
Numerical study of lateral wind effect on parachute dropping based on finite element method Open
The extra wind field is an important factor affecting on parachute dropping. However, the existing test or numerical methods are difficult to investigate this effect. In order to investigate parachute airdropping in lateral wind environmen…
View article: Numerical Study of Parachute Dropping Based on Moving Meshes Method
Numerical Study of Parachute Dropping Based on Moving Meshes Method Open
That the rapid increasing calculation amount caused by large calculation domain has limited the parachute dropping numerical researches. To solve this problem, the traditional fixed Euler meshes were replaced by moving Lagrange meshes to d…
View article: Fluid-Structure Interaction Study on the Influence of Circular Gap of Parachute on Inflation Performance with Fixed Payload
Fluid-Structure Interaction Study on the Influence of Circular Gap of Parachute on Inflation Performance with Fixed Payload Open
In order to study the influence of circular gap controlled by the tearing force on rescue parachute inflation performance, the Arbitrary Lagrange-Euler (ALE) coupling method is utilized to simulate the inflation process of the circular gap…