1) Fluid context
流动文脉
2) pulsating flow
脉动流动
1.
The mechanism and the study method of heat transfer enhancement by pulsating flow are introduced.
介绍了脉动流动强化传热的机理、方法,分析了脉动频率、脉动振幅、雷诺数、管径、脉动型式、流体物理性质对传热特性的影响,概括了脉动流动强化传热的国内外研究现状,并提出了进一步研究的建议。
2.
The turbulent pulsating flow and heat transfer in an internally longitudinal protuberant finned tube was numerically investigated by solving unsteady three-dimensional elliptical Navier-Stokes equations.
分析了带突起内翅片管通道在进口流速呈正弦波脉动流时其横截面二次涡流在1个脉动周期内的变化规律;得到了内翅片管平均Nu数及阻力系数f在一个脉动流动周期内的变化规律;同时进一步计算分析了不同脉动流脉动频率对内翅片管传热性能及阻力性能的影响。
3.
A fully developed convective heat transfer inside a two-dimensional periodically wavy channel is investigated numerically with pulsating flows under a constant wall temperature.
采用曲线坐标系下压力与速度耦合的SIMPLER算法,数值研究了波纹通道内脉动流动与换热情况,流动Re数的范围为5~500,Pr数为0。
3) surging flow
脉动气流;脉动流
4) flow pulsation
流量脉动
1.
Whereafter,the influence of flow pulsation rate and steady pressure of system on the effect of accumulator absorbing pressure pulsation was analyzed theoretically.
建立了吸收压力脉动的普通蓄能器回路的数学模型,从理论上分析了流量脉动频率和系统稳态压力对蓄能器吸收压力脉动效果的影响。
2.
This paper gives the analysis about the changeable law and the cause of the produced flow pulsation on common gear wheel pump and shows the unfavourable influence of the flow pulsation on hydraulic pressure system, the concrete measures of reducing the flow pulsation to be given.
对齿轮泵瞬时流量的变化规律以及产生流量脉动的原因进行了分析,指出了流量脉动对液压系统的不利影响,提出了降低流量脉动的具体措施。
5) pressure ripple
流体脉动
1.
The process of pressure ripple with an accumulator in piping systems is discussed,the acoustic model is obtained to deduce the transfer matrix and the equations of insertion loss.
本文用传递矩阵法建立了蓄能器的声学模型 ,推导了蓄能器插入损失计算公式 ,分析了蓄能器对管路中流体脉动衰减的作用 ,并进行了试验验
6) pulsating fluid
脉动流
1.
Active vibration control of a clamped-clamped pipe conveying pulsating fluid is investigated in this paper ,adopting piezoelectric pieces as the actuator.
采用压电片作为控制执行元件,对两端固定输流管道在脉动流作用下的参数共振进行了最优控制。
2.
The parametric resonances of first mode of order 1/2 of clamped-clamped pipes conveying pulsating fluid are investigated under some different mean flow velocities.
对三种合成管道在几个不同的平均流速和脉动流作用下做了多次重复实验获得了第一振型1/2次谐波参数共振相关实验数据,实验结果与理论结果在定性上一致。
3.
This paper deals with the stability and parametric resonances of a clamped-clamped pipe conveying pulsating fluid.
用数值方法给出了各种参数共振的响应曲线 ,分析了其存在区域以及响应频率与脉动流频率之间的关系。
补充资料：流动
分子式：
CAS号：
性质：流体(通常是指气体和液体)在外加力(重力、离心力、压力差等)作用下引起的宏观运动。
CAS号：
性质：流体(通常是指气体和液体)在外加力(重力、离心力、压力差等)作用下引起的宏观运动。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条