Working Process Simulation Analysis on an Diesel Injector with Different Needle Valve Parameters

2012 ◽  
pp. 213-221
Author(s):  
Yulan Li ◽  
Xiangbi An ◽  
Dahai Jiang
Keyword(s):  
Process Simulation ◽  
Simulation Analysis ◽  
Needle Valve ◽  
Working Process

The Construction and Simulation Analysis of Three-Qubit Hxx Chain Refrigerator Based on Quantum Entangled States

2013 ◽  
Vol 380-384 ◽  
pp. 4849-4855
Author(s):  
Xing Kui Huang
Keyword(s):  
Field Strength ◽  
Simulation Analysis ◽  
Heat Engine ◽  
State Theory ◽  
Entangled States ◽  
Entangled State ◽  
Working Process ◽  
Mapping Analysis ◽  
Quantum Entangled States ◽  
Working Efficiency

Quantum entangled state theory is combined with quantum thermodynamics theory to build quantum entangled state heat engine. The basic nature of three-qubit Hxx chain, and all parameters of the orbit are analyzed. Energy model of quantum entangled state refrigerator in working process is taken as as a theoretical basis to construct three qubits Hxx chain refrigerator based on quantum entangled states. The working nature of the new quantum entangled state refrigerator under different field strength is studied. Compaired with two-qubit Hxxx chain refrigerator based on quantum entangled states and mapping analysis, the working efficiency of three qubits Hxx chain refrigerator based on quantum entangled states is much higher when the field strength is not zero and its working state is more stable.

Simulation Analysis of the Working Process of the Corn Seed Metering Device with Combination Inner-Cell

2012 ◽  
Vol 215-216 ◽  
pp. 160-167 ◽  
Author(s):  
Qing Long Li ◽  
Ji Yang Yu ◽  
Qiang Qiang Zhang ◽  
Jian Qun Yu ◽  
Hong Fu
Keyword(s):  
Simulation Analysis ◽  
Three Dimensional ◽  
Bench Test ◽  
Particle Model ◽  
Test Results ◽  
Working Process ◽  
Corn Seed ◽  
3D Cad ◽  
Novel Method ◽  
Seed Metering Device

A three-dimensional discrete element method analytic model of the corn seed metering device with combination inner-cell was established based on its 3D CAD model, and the three-dimensional particle model of corn seeds was built by using the method of combination spherical particle. The working process of the corn seed metering device was simulated and analyzed by self-developed three-dimensional CAE software. It was observed that the simulative results of the seeding performance, clearing angles and dropping angles of the corn seeds well agreed with the bench test results. A novel method for studying and designing of the corn seed metering device was put forward.

Non-Dimensional Modeling and Simulation Analysis of Air Powered Engine

2013 ◽  
Vol 278-280 ◽  
pp. 307-314 ◽  
Author(s):  
Rong Zhi Song ◽  
Xiang Heng Fu ◽  
Mao Lin Cai
Keyword(s):  
Fossil Fuels ◽  
Simulation Analysis ◽  
Mathematic Model ◽  
Power Source ◽  
Compressed Air ◽  
Pollutant Emission ◽  
Energy Crisis ◽  
Power Devices ◽  
Working Process ◽  
Dimensional Modeling

Environmental pollution and energy crisis urge people to explore new power devices without burning fossil fuels and pollutant emission. Air powered engine (APE) is among these power devices. The medium and power source of APE is compressed air whose expansion makes it possible for APE to output work. Based on the principal and working process of APE, the mathematic model is established and afterwards made dimensionless. On the basis of the simulation of the non-dimensional mathematic model, the influences of the non-dimensional cylinder stroke and Kagawa coefficient on APE’s performances are analyzed

The Cleaning Performance Simulation of Rear Rolling Type Sweeper

2013 ◽  
Vol 385-386 ◽  
pp. 281-287
Author(s):  
Zhi Qiang Wang ◽  
Xue Liang Bian ◽  
You Ning Feng
Keyword(s):  
Theoretical Model ◽  
Simulation Analysis ◽  
Virtual Prototype ◽  
Ideal Theory ◽  
Contact Dynamics ◽  
Theoretical Research ◽  
Prototype Model ◽  
Prototype System ◽  
Working Process ◽  
Element Analysis

Through analyzed the cleaning process of rear rolling type sweeper, the theoretical model of waste particle trajectory was established during the sweeper working process by using the contact theory of modern contact dynamics, and the ideal theory track of waste particle was simulated and optimized by using MATLAB. The three-dimensional solid model of the working device was created by using UG software, and virtual prototype model was completed by using ADAMS software, and rigid brush was replaced by neutral file with brush features characterize that was generated by finite element analysis software, and contact relationship of waste particle during the working process was added by ADAMS contact order, and rigid-flexible coupling virtual prototype system was completed and kinematics simulation was run. Finally, compared the trajectory curve from ADAMS simulation with the theoretical path from MATLAB, the Theoretical model was proved correctness. The theoretical research and simulation analysis was made test and verify each other. Facilitate the development of the same type of products.

Simulation Analysis of Automotive Exhaust Muffler Performance Based on GT-Power

2011 ◽  
Vol 48-49 ◽  
pp. 1061-1064
Author(s):  
Ming Yi Zhu ◽  
Xiang Yang Zhao ◽  
Qing Liu
Keyword(s):  
Simulation Model ◽  
Insertion Loss ◽  
Pressure Loss ◽  
Simulation Analysis ◽  
Experimental Results ◽  
Automotive Exhaust ◽  
Working Process ◽  
Vehicle Development ◽  
Development Cycle ◽  
Simulation Results

Using GT-Power software to establish the simulation model of the working process of an engine coupled with the muffler, insertion loss and pressure loss are obtained, simulation results are consistent with the experimental results, which verifies the correctness of simulation model.Therefore, it is important to shorten the vehicle development cycle and reduce cost.

Dynamics Analysis and Cam Profile Optimal Design of the Valve Train in the Diesel Engine with High Specific Power

2011 ◽  
Vol 308-310 ◽  
pp. 1636-1640 ◽  
Author(s):  
Li Wei Sun ◽  
Tie Xiong Su ◽  
Jun Feng Xu ◽  
Qiang Wang ◽  
Chun Long Xu ◽  
...  
Keyword(s):  
Diesel Engine ◽  
Optimal Design ◽  
Dynamic Analysis ◽  
Process Simulation ◽  
Valve Train ◽  
Specific Power ◽  
Intake Port ◽  
Working Process ◽  
High Specific Power ◽  
Cam Profile

The study carries out optimal design for the cam profile of the valve train in a high-specific-power diesel engine. The dynamic analysis on the original cam reveals that the original one, which leads to adequate fullness coefficient, is designed far from the material margins. The fullness coefficient and time area value are selected as the optimization objective, and the piecewise fucntion method is utilized to optimally design the cam profile. The restrictive contidons are applied to each section on the cam. Thus the function and the optimal coeficients are obtained. Then the dynamic analysis and working process simulation on the optimal valve train are carried out, and it proves that the dynamic and intake port performaces of the optimized one are greatly impoved.

Modeling and Simulation of Two-Stage Expansion Air-Powered Engine

2014 ◽  
Vol 694 ◽  
pp. 49-53
Author(s):  
Qing Ping Zheng ◽  
Jin Wang ◽  
Su Li ◽  
Jing Jing Zhou ◽  
Feng Bai
Keyword(s):  
Process Simulation ◽  
Consumption Rate ◽  
Thermodynamic Simulation ◽  
Gas Temperature ◽  
Working Process ◽  
Two Stage ◽  
Effective Power ◽  
Second Stage ◽  
Output Torque ◽  
Gas Consumption

Thermodynamic simulation of a two-stage expansion air-powered engine was established and working process simulation was conducted based on this model. The effects of inlet pressure (0.8Mpa-3.0Mpa), intake duration angle of second-stage (100°CA-160°CA) and cylinder diameter of second-stage (120mm-200mm) on the gas temperature, pressure and output torque were analyzed. The results show that effective power and output torque both increase with the increase of above three parameters, meanwhile effective gas consumption rate decreases.

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