搜索结果: 1-12 共查到“工学 suspensions”相关记录12条 . 查询时间(0.083 秒)
An experimental investigation on the normal force behavior of magnetorheological suspensions
normal force magnetorheological suspension magnetorheological fluid temperature
2015/3/27
In this work the normal force behavior of magnetorheological suspensions are systematically investigated. Four magnetorheological suspensions with different volume fractions (10%, 20%, 30%, and 40%) a...
Long-lived and unstable modes of Brownian suspensions in microchannels
Long-lived and unstable modes Brownian suspensions microchannels Fluid Dynamics
2012/4/24
We investigate the stability of the pressure-driven, low-Reynolds flow of Brownian suspensions with spherical particles in microchannels. We find two general families of stable/unstable modes: (i) deg...
Shear-thickening behavior of polymethylmethacrylate particles suspensions in glycerine-water mixtures
Shear thickening fluid Reversibility Thixotropy Glycerine–water mixtures Polymethylmethacrylate
2015/3/30
The rheological behavior of polymethylmethacrylate (PMMA) particles suspensions in glycerine–water mixtures has been investigated by means of steady and dynamic rheometry in this work. The shear rheol...
在车辆底盘悬架系统中，馈能型车辆主动悬架的发展已受到关注，其功能是在提高车辆行驶平顺性的同时尽可能地回收由不平路面激励引起的悬架系统振动能量，以减少主动悬架的能耗。本文首先对近年来馈能型车辆主动悬架的发展和研究进行了全面回顾，然后着重对电磁式馈能悬架进行了总结，最后对电磁式馈能悬架的核心问题进行了分析。随着电磁技术的日趋成熟,电磁式馈能悬架将会具有良好的发展前景。
Experimental investigation of viscosity and thermal conductivity of suspensions containing nanosized ceramic particles
I. Tavman A. Turgut M. Chirtoc H.P. Schuchmann S. Tavman
2009/12/2
Purpose: In this study we report measurements of effective thermal conductivity by using 3ω method
and effective viscosity by vibro-viscometer for SiO2-water and Al2O3-water nanofluids at different p...
Robust Control of Active Suspensions Using Sliding Modes
Sliding mode Active suspension Ride comfort Robust control
2009/10/13
In this study, a four degrees of freedom vehicle model is used in order to design and check the performance of sliding mode controlled active suspensions. Force actuators are mounted parallel to the s...
DRYING OF SOLUTIONS AND SUSPENSIONS IN THE MODIFIED SPOUTED BED WITH DRAFT TUBE
spouted bed drying solid-water solutions
2009/10/13
A modified spouted bed dryer with inert particles was used for drying of solutions and suspensions. The effects of the operating conditions on dryer throughput and product quality were investigated. E...
粘弹性悬架阻尼缓冲件温度场特性（Characteristics of Temperature Field on Damping Buffers for Viscoelastic Suspensions）
履带车辆 悬架 缓冲件 温度场
2010/4/1
对履带式车辆典型工况下的粘弹性悬架阻尼缓冲件的温度场进行分析。不考虑材料参数的温度相关性，对结构-温度的耦合场进行单向解耦；将结构分析的结果作为温度分析的条件，同时对温度模型施加边界条件。橡胶受载时为非线性大变形，使用有限元方法获得数值解。求解得到典型工况下局部过热点的位置和温度值，得到温度与影响因素的关系曲线，并进行公式拟合。分析结果可为粘弹性悬架阻尼缓冲件的结构优化提供参数。 The temp...
考虑时域硬约束的车辆主动悬架H∞控制（H∞ Control of Active Suspensions with Time-domain Hard Constraints）
车辆 主动悬架 时域硬约束
2009/5/22
提出了考虑时域硬约束条件的车辆主动悬架H∞输出反馈控制器设计方法。基于线性矩阵不等式处理方法，提出并证明了该控制器存在的充分条件。以提高车辆乘坐舒适性为目标，取车身垂直加速度响应为控制输出向量，悬架动挠度、车轮动静载荷比响应和所需控制力为约束输出向量，基于1/4车辆模型进行了主动悬架设计。仿真结果表明，即使车辆模型参数存在一定程度的不确定性，提出的控制策略在提高车辆乘坐舒适性的同时，能很好地兼顾车...
Kinetics of Photocatalytic Degradation of Methylene Blue overTiO2 Particles in Aqueous Suspensions
kinetics photocatalytic titaniaminipage
2009/4/28
The kinetics of photodegradation of methylene blue over UV lightilluminated titania particles in aqueous suspensions has been studied withdifferent initial methylene blue concentrations and TiO2 parti...
Corner Flows of Suspensions of Rigid Rods in a Newtonian fluid:Flow-induced Orientation and Concentration Distribution
Fiber suspension L-shape corner Fiber orientation Concentrated suspension
2009/4/22
Distributions of fiber orientation and fiber concentration in fiber suspension flows through a slit channel were measured. The suspensions used were dilute and concentrated ones. The slit channel ha...
Description of road surface modeling the suspensions of vehicles
road surface the suspensions of vehicles
2010/11/4
This article analyses methods of describing Lithuanian road pavements, i. e. harmonic analysis, correlation functions, etc. This article also studies the specific features for describing microprofile ...