搜索结果: 1-15 共查到“工学 Cylinder”相关记录55条 . 查询时间(0.075 秒)
ROBUST CYLINDER FITTING IN THREE-DIMENSIONAL POINT CLOUD DATA
Feature Extraction Geometric Shape Laser Scanning Object Recognition Pole Modelling Robust PCA Robust Regression Surface Fitting
2017/7/12
This paper investigates the problems of cylinder fitting in laser scanning three-dimensional Point Cloud Data (PCD). Most existing methods require full cylinder data, do not study the presence of outl...
FLOW INDUCED CYLINDER OSCILLATION AND ITS CONTROL WITH HIGH ORDER SPECTRAL DIFFERENCE METHOD ON DEFORMABLE MESH
SPECTRAL DIFFERENCE METHOD DEFORMABLE MESH
2015/7/3
In the recent work by the authors, high order spectral difference (SD) method has been formulated in a framework with dynamic deformable meshes, and been demonstrated to preserve the design accuracy o...
Suppression of the unsteady vortex wakes of a circular cylinder pair by a doublet-like counter-rotation
vortex wakes instabilities vortex suppression numerical simulation virtual elliptic body fl ow control
2015/7/2
The present investigation examines the suppression of unsteady, two-dimensional wake instabilities of a pair of identical circular cylinders, placed side-by-side normal to freestream at a low Reynolds...
Suppression of vortex-induced forces on a two-dimensional circular cylinder by a short and thin splitter plate interference
circular cylinder splitter plate interference
2015/6/23
This paper briefly reviews bluff body aerodynamics and focuses mainly on
the use of short and thin splitter plates to interfere with the vortex wakes and
suppress vortex-induced forces (VIF). The ...
Suppression of the unsteady vortex wakes of a circular cylinder pair by a doublet-like counter-rotation
circular cylinder pair vortex wakes
2015/6/23
The present investigation examines the suppression of unsteady, two-dimensional wake
instabilities of a pair of identical circular cylinders, placed side-by-side normal to freestream
at a low Reyn...
Delaying transition in Taylor-Couette flow with axial motion of the inner cylinder
Taylor-Couette fl ow axial motion
2014/12/30
Periodic axial motion of the inner cylinder in Taylor-Couette flow is used to delay transition to Taylor vortices. The outer cylinder is fixed. The marginal stability diagram
of Taylor-Co...
Vortex-Induced Vibrations of an Inclined Cylinder in Flow
Vortex-Induced Vibrations Inclined Cylinder Flow
2014/10/23
When a bluff body is placed in flow, vortices are shed downstream of the body. For the case of a bluff body with a circular cross-section (a cylinder) attached to a spring and a damper, when the frequ...
CYLINDER-BASED SELF-CALIBRATION OF A PANORAMIC TERRESTRIAL LASER SCANNER
TLS Geometric Calibration Close Range Feature Object Accuracy
2014/4/28
Terrestrial Laser Scanners (TLSs) have become state-of-the-art metrological sensors for many surveying purposes in recent years. Due to the demand for high precision surveying with TLSs, efficient, ri...
Calculation on Cylinder Pressure Fluctuation by Using the Wave Equation in KIVA Program
combustion pressure oscillation acoustic pressure knock
2011/8/5
Cylinder pressure fluctuation during combustion process of internal combustion engine is closely related to combustion noise and knock. The current studies are based on cylinder pressure test to obtai...
Calculation on Cylinder Pressure Fluctuation by Using the Wave Equation in KIVA Program
combustion pressure oscillation acoustic pressure knock
2011/8/5
Cylinder pressure fluctuation during combustion process of internal combustion engine is closely related to combustion noise and knock. The current studies are based on cylinder pressure test to obtai...
基于AMESim和有限元法的浮动式举升缸支座设计与分析（Analysis and Design of Lifting Oil Cylinder Support with Floating Support Structure Based on AMESim and FEM）
自卸车 举升缸支座 浮动式支撑 拓扑优化
2010/12/29
通过拓扑优化设计了自卸车浮动式支撑结构的举升缸支座；利用AMESim软件对液压举升系统进行仿真，得到了举升缸支座工作时的载荷曲线和最大载荷；根据最大载荷，用有限元方法对其本身以及其对车架纵梁的影响进行了分析。与传统底板焊接式和纵梁式结构的举升缸支座相比，浮动式支撑结构的举升缸支座明显优于其他两种结构。
In-Cylinder Heat Transfer Characteristics of Hydrogen Fueled Engine: A Steady State Approach
Hydrogen fuel heat transfer rate port injection engine speed air fuel ratio
2010/12/22
This study presents in-cylinder heat transfer characteristics of a single cylinder port injection Hydrogen fueled Internal Combustion Engine (H2ICE) using a steady state approach. Problem statement: T...
The influences of wall Lorentz force and field Lorentz force on the cylinder drag reduction
Cylinder wake Flow control Lorentz force Electromagnetic control
2012/2/29
In this paper, the effects of Lorentz force on drag reduction for a circular cylinder have been studied experimentally and numerically. Based on its effects on drag reduction, the Lorentz force is fou...
A potential study on clove oil, eugenol and eugenyl acetate as diesel fuel bio-additives and their performance on one cylinder engine
clove oil eugenol eugenyl acetate diesel fuel bio-additive engine
2010/10/29
Research on the potency of essential oils as diesel fuel bio-additives has been reported. It also has been found out that clove oil has a better performance than turpentine oil on decreasing Break Spe...
Thermo elastic-plastic transition of transversely isotropic thick-walled rotating cylinder under internal pressure
Elastic-plastic Transition Cylinder
2010/9/27
Thermo elastic-plastic stresses for a transversely isotropic thick-walled rotating cylinder under internal pressure by using transition theory have been discussed numerically and depicted graphically....