搜索结果: 1-13 共查到“工学 Experimental analysis”相关记录13条 . 查询时间(0.109 秒)
Experimental Analysis on Properties of Rotor-Spun Composite Yarns and Sirofil
rotor-spun composite yarns sirofil longitudinal view abrasion resistance hairiness breaking strength
2011/12/31
Different kinds of yarns have different structures and performance because of different spinning type. A rotor-spun composite yarn spinning system was developed which produces different kinds of compo...
Experimental analysis on the variable polarity plasma arc pressure
variable polarity plasma arc arc pressure orthogonal experiment
2011/8/5
Arc pressure is one of the key factors for variable polarity plasma arc(VPPA) and welding pool formation. In this paper, VPPA pressure was measured by pressure transducer and U-tube barometer methods....
Experimental analysis on the variable polarity plasma arc pressure
variable polarity plasma arc arc pressure orthogonal experiment
2011/8/4
Arc pressure is one of the key factors for variable polarity plasma arc(VPPA) and welding pool formation. In this paper, VPPA pressure was measured by pressure transducer and U-tube barometer methods.
EXPERIMENTAL ANALYSIS OF FUZZY CONTROLLED ENERGY EFFICIENT DEMAND CONTROLLED VENTILATION ECONOMIZER CYCLE VARIABLE AIR VOLUME AIR CONDITIONING
energy conservation thermal comfort indoor air quality
2009/10/14
In the quest for energy conservative building design, there is now a great opportunity for a flexible and sophisticated air conditioning system capable of addressing better thermal comfort, indoor air...
EXPERIMENTAL ANALYSIS OF DISTINCT DESIGN OF A BATCH SOLAR WATER HEATER WITH INTEGRATED COLLECTOR STORAGE SYSTEM
batch solar water heater compound parabolic concentrators integrated collector storage system
2009/10/14
The performance of a new design of batch solar water heater has been studied. In this system, the collector and storage were installed in one unit. Unlike the conventional design consisting of small d...
Experimental Analysis of the Effect of Exhaust Gas Recirculation (EGR) on Engine Performance and Exhaust Emissions on Diesel Engines
Dizel motoru Dizel emisyonu EGR Egzoz emisyon kontrolu
2009/10/13
Experimental Analysis of the Effect of Exhaust Gas Recirculation (EGR) on Engine Performance and Exhaust Emissions on Diesel Engines。
Experimental Analysis of Buried High Density Polyethylene Pipes
Infrastructure Pipeline Pipe-soil interaction Viscoelasticity HDPE
2009/10/12
The primary goal of this study was to evaluate the deflections and bending moments of buried High density polyethylene (HDPE) pipes. The performance of buried HDPE pipes subjected to live loading was ...
Experimental Analysis of the Effects of Fuel Injection Pressure and Fuel Cetane Number on Direct Injection Diesel Engine Emissions
Diesel engine Injection pressure Emission Cetane number
2009/10/12
The e ects of di erent fuel cetane numbers and fuel injection pressures on a diesel engine emission were investigated. For this purpose, fuels with 46, 51, 54.5 and 61.5 cetane numbers were tested in ...
迷宫流道内沙粒-壁面碰撞模拟与PTV实验（Simulation and Experimental Analysis on Sand-wall Collisions in Labyrinth Channel Emitter）
灌水器 迷宫流道 堵塞
2009/9/25
以单个沙粒为对象，研究了沙粒与灌水器流道壁面的碰撞过程。采用计算流体力学CFD数值模拟方法，分析了沙粒与壁面碰撞反弹系数Rc对灌水器抗堵性能的影响。结果表明，反弹系数对灌水器抗堵性能影响较大。利用粒子跟踪测速技术PTV，观测了复杂迷宫流道内沙粒与壁面碰撞过程，测定了不同压力点下矩形流道的碰撞反弹系数，为灌水器数值模拟时反弹系数的设定提供了实验依据，从而可以更加准确评估灌水器抗堵性能。
Experimental Analysis of Unstable Pile Driver Behavior when Self-propelling
Experimental Analysis Unstable Pile Driver Behavior Self-propelling
2013/9/30
A pile driver is a large construction machine used for ground improvement and foundation work. In recent years, there have been some reports of accidents in which the machine overturned. An investigat...
基于离散小波变换的二甲醚HCCI爆震试验（Experimental Analysis of Knock in a DME HCCI Engine Using Discrete Wavelet Transform）
二甲醚 均质压燃 爆震
2009/5/22
在一台由柴油机改造为二甲醚进气道喷射的发动机上，用离散小波变换分析正常燃烧工况、爆震工况的缸内压力，计算其在各尺度细节部分的能量特征值，研究二甲醚HCCI燃烧的爆震特性。结果表明，正常燃烧工况、爆震工况缸内压力的能量特征值分布具有明显的规律。正常燃烧工况时，细节部分D3的能量特征值最大；爆震工况时，细节部分D1的能量特征值最大。转速升高或进气道喷射燃料添加LPG对正常燃烧工况、爆震工况缸内压力能量...
Mass transfer in an anisotropic porous medium- experimental analysis and modelling of temperature and desorption direction effect
Kinetics of desorption Anisotropic medium
2010/9/27
In order to follow the kinetics of desorption of the aqueous solution (KCl “0.2M”) which occur in three orthotropic directions, this work uses the indirect method of conductimetric measurement. An ani...
Experimental Analysis of 100Gb/s Coherent PDM-QPSK Long-Haul Transmission under Constraints of Typical Terrestrial Networks
Coherent PDM-QPSK Long-Haul Transmission Constraints Typical Terrestrial Networks
2015/8/3
Coherent transmission systems using PDM-QPSK format are found particularly robust to the constraints of all-erbium amplifiers based, transparent terrestrial networks when operating at 100Gb/s channel ...