1) steady natural convection
稳态自然对流换热
2) unsteady natural convection
非稳态自然对流
1.
In solar heating and ventilation systems,the unsteady natural convection boundary-layer flow of air formed adjacent to the vertical plane where solar radiation is absorbed is the key to determine the thermal performance of the systems.
在太阳能采暖通风系统中,空气在太阳辐射作用下于吸热壁上所形成的非稳态自然对流边界层流动是决定系统热性能的关键所在。
3) natural convective heat transfer
自然对流换热
1.
This paper numerically simulated natural convective heat transfer of isothermal vertical strip by using the concept and equations set of tridimensional boundary layer.
应用三维边界层的概念及方程组,数值模拟了等温竖窄条自然对流换热。
2.
On the basis of natural convective heat transfer experimental research in annular air layer, by means of dimensional relation this paper analyzes and discusses the experimented data in order to more know the heat losses.
本文在环形夹层自然对流换热实验研究的基础上,从有利于了解热损失的变化情况出发,采用有量纲的分析方法进行讨论,得出了在实验条件下q_c—L的交化规律,并给出了相应于最小热损失的最佳间距。
4) natural convection heat transfer
自然对流换热
1.
Influences of permanent gradient magnetic field configurations on air natural convection heat transfer;
永磁梯度磁场布置方式对空气自然对流换热的影响
2.
Testing of natural convection heat transfer performance of electric heaters under lower air pressure;
低气压条件下电加热器自然对流换热性能测试
3.
Numerical simulation of indoor natural convection heat transfer;
室内空气自然对流换热的数值模拟研究
5) natural convection
自然对流换热
1.
This article has discussed and analyzed the research status of natural convection in a closed square cavity;moreover,has studied the method of numerical simulation and the feasibility of studying the heat transfer by using FLUENT software.
论述和分析了封闭方腔自然对流换热的研究进展,研究了采用商业软件FLUENT对此模拟的方法以及换热规律研究的可行性,所获得的数值模拟结果与研究文献做了对比分析,其模拟结果是正确的,由此表明:采用FLUENT软件通过数值模拟方法不仅能获得封闭腔自然对流换热的结果,还能研究其换热规律,是解决封闭腔自然对流换热的有效工具。
2.
In this paper, the natural convection in a cube inclined enclosure with three isolatedplates was investigated experimentally.
本文研究了平板的相互位置、腔体倾角及Rα数对倾斜封闭立方腔内多块孤立平板自然对流换热的影响。
3.
This article has discussed and analyzed the research status of natural convection in a closed cavity; a numerical simulation of two dimensional heat dissipation is made by the software of Fluent in closed triangle channel heat pipe and the wall; and then get the temperature and velocity field.
论述和分析了封闭腔内自然对流换热的研究进展,运用Fluent软件对封闭三角形通道内的热管与壁面的二维散热问题进行了数值模拟,模拟了封闭腔内空气自然对流换热的温度场和速度场。
6) unsteady convective heat transfer
非稳态对流换热
1.
The numerical solutions of one dimensional unsteady convective heat transfer (one dimensional advection equation with a source term) are investigated.
研究了一维非稳态对流换热问题（带非常数源项的一维平流方程）的数值解方法。
补充资料：稳态
稳态
磁共振成像术语。磁共振成像中，经射频脉冲激励后的弛豫过程中使横向平面(Mxy)有残余矢量存在的状态。一般使用非常短的重复时间(TR)(22～50ms)，使TR短于组织的T1和T2值时，可使横向磁化矢量没有足够的时间去相。这样T2值比TR长的组织在横向即存有磁化矢量，藉之可形成组织间对比。这种技术常用于快速梯度回波成像。如SSFP(GE)，CE-FAST(Picker)，FISP(Siemens)等。
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