A non dimensional model is formulated to describe natural convection in an enclosure filled with unsaturated porous media, where inertia and viscous forces are considered. 建立了考虑介质内部流体运动惯性力及粘性力的封闭腔内多孔介质非饱和自然对流行为的二维无量纲模型。
The Experimental Study of Natural Convection Heat Transfer in Rectangular Enclosure at Arbitary Inclined Angles 任意倾斜角度下平行平板封闭夹层自然对流换热实验研究
Similarly, a positive correlation between growth rate and chain length was observed in S.costatum in batch culture and natural communities in enclosure experiments. 与此类似,无论是批次培养的细胞,还是自然群体的模拟培养,中肋骨条藻的生长速率增加总是伴随着细胞链的加长。
Influence of different medium parameters on natural convection in a square enclosure filled porous medium 介质参数对多孔介质腔内自然对流换热的影响
Natural Smoke Filling in Enclosure with Leakage 泄漏条件下室内火灾烟气的自然充填过程
The loin is taut and lean, narrower than the rib cage, and with a slight tuck-up. A Numerical Study of the Natural Convection in a Rectangular Enclosure with Various Aspect Ratios and Inclination Angles 腰部绷紧并简洁保持一定的倾斜,比胸腔要略窄,保持略微的收拢。具有大长高比和倾斜角的封闭腔体中的自然对流的数值研究
A full-scale experiment was performed in this paper to study natural smoke filling in enclosure with leakage. 采用全尺寸实验的方法研究有泄漏条件下室内火灾烟气的自然充填过程。
A Numerical Study of the Natural Convection in a Rectangular Enclosure with Various Aspect Ratios and Inclination Angles 具有大长高比和倾斜角的封闭腔体中的自然对流的数值研究
For the natural convection in enclosure under permanent magnetic gradient field, the way to generate different magnetic accelerations by different magnetic field arrangements is developed. 针对永磁梯度磁场作用下封闭腔内的自然对流换热,提出通过不同磁场布置产生不同磁加速度的方法。
The mathematic model on natural convection is proposed in a two-dimensional enclosure cavity with an isothermal heat sink at one vertical wall and five discrete protruded sources. 建立了一侧竖壁等温冷却、另一侧竖壁均匀分布五个凸出热源的二维封闭空腔内自然对流换热的数学模型,对不同高宽比下的层流自然对流换热进行了数值分析。
Numerical study on natural convection heat transfer inside rectangular enclosure filled with anisotropic porous media 充满各向异性多孔介质水平空腔自然对流传热数值研究
In the case of two point sources of plumes with different strengths on the floor in a natural displacement ventilated enclosure, the thermal stratification is developed into three layers with different air densities. 当自然置换通风的室内(封闭空间)地面上有两个不同强度羽状流浮力源时,热力分层发展成三个不同空气密度的分层。
NATURAL CONVECTION IN A VERTICAL RECTANGULAR ENCLOSURE WITH UNIFORM VOLUMETRIC ENERGY SOURCES Transition Boiling Heat Transfer in a Vertical Tube 竖直矩形腔内有均匀容积热源时的自然对流换热研究水在圆管内垂直向上流动时的过渡沸腾换热
Numerical investigation on natural convection in an enclosure with discrete heat sources 矩形空腔内多个离散热源自然对流的数值分析
Results are presented for Rayleigh number in the range of 10 4 to 10 6.The computation result and predictor test show that this procedure can fully reflect conjugate conduction with natural convection in enclosure. 具体分析了瑞利数变化范围为104到106时建筑围护结构传热对室内自然对流的影响.数值预测结果表明:该方法能够真实反映室内自然对流问题。
The natural convection heat transfer in a two-dimension enclosure constructed by two different temperature vertical isothermal walls and two adiabatic or conductive horizontal walls has been studied with the method of numerical simulation. 对由两个不同温度的垂直等温壁和两个绝热或导热的水平壁所组成的二维封闭空腔内的自然对流传热进行了数值模拟;
Calculations of the Natural Convection in an Enclosure with the Primitive Variables Numerical Method 原始变量法计算封闭腔内自然对流
Effect of plate position on the natural convection heat transfer in a square enclosure with an isolated horizontal plate 几何位置对封闭方腔内水平孤立平板自然对流换热的影响
The computation result and predictor test show that this procedure can fully reflect conjugate conduction with natural convection in enclosure. 数值预测结果表明:该方法能够真实反映室内环境。
In order to improve the application of natural ventilation in modern buildings, research and explore the influence of the natural ventilation to the energy saving of buildings, the natural displacement ventilation of an enclosure with two typical buoyancy sources is studied. 为了有效地提高自然通风在现代建筑中的使用,研究和探讨自然通风对建筑物节能的影响,对室内自然置换通风两种典型浮力源进行了探讨。
Using numerical method, natural convection in enclosure combined with conduction ana radiation is analyzed in this paper. 本文用数值方法分析了封闭空间自然对流与导热、辐射的复合换热。
Numerical analysis is made for the unsteady and steady, two-dimensional laminar natural convection in an enclosure caused simultaneously by the external heating and a local internal heat source. 本文描述由一个局部内热源和外部加热同时作用引起的封闭空腔内非稳态、二维、层流自然对流换热的数值分析结果。
Natural Convection Heat Transfer in Rectangular Cavities with Large Aspect Ratio NUMERICAL STUDY ON NATURAL CONVECTION HEAT TRANSFER INSIDE RECTANGULAR ENCLOSURE FILLED WITH ANISOTROPIC POROUS MEDIA 大形状比矩形空间的自然对流传热充满各向异性多孔介质水平空腔自然对流传热数值研究
The numerical results of the natural convection in an enclosure square cavity in this model agree well with the commonly accepted numerical solutions. 对封闭方腔内自然对流进行数值分析的结果表明,该模型可以克服原模型的可压缩效应,并在一定程度上提高了计算结果的数值精度。
Numerical Study on Oscillatory Natural Convection in Enclosure with Vertical Isothermal Plate 方腔内竖直板振荡的自然对流换热数值研究
Natural convection in enclosure with inner heating bodies 封闭空间内多个发热体的自然对流
The natural convection in enclosure under ideal magnetic field is analyzed, the results support that the micro-gravity environment, magnetically induced conduction and magnetically induced Benard convection can be achieved by using a certain magnetic acceleration. 对理想磁场作用下封闭腔内的自然对流换热进行了分析,指出在一定磁加速度大小和方向下,可实现微重力环境,磁致纯导热过程,磁致Benard对流以及其它自然对流流动形态的改变。
Natural convection in annular enclosure is simulated numerically using collocated 3D cylindrical coordinate. The cyclic tridiagonal matrix ( CTDMA) method is adopted to solve the discretization equations. 用三维圆柱坐标同位网格方法求解环形空间中的自然对流,用周期性三对角阵(CTDMA)方法求解所形成的代数方程。
Natural convection in an inclined cube enclosure with multiple internal isolated plates 倾斜封闭立方腔内多块孤立平板自然对流换热的实验研究
Specially it is not obvious under lower Rayleigh number effect, and under high Ra number, the natural convection heat transfer in the enclosure is stronger. 特别的,在低瑞利数下增强效果不明显;在高瑞利数下,腔体内自然对流换热增强较显著。