Using variational calculus, necessary conditions for boundary temperature control of the reactors have been derived.
使用变分方法,推导了这类反应器边界温度控制的必要条件。
The temperature difference variation of model boundary shows the space gradient of temperature field, and the larger boundary temperature difference requires higher order.
模型边界的温差变化表现了温度场的空间梯度,越大的边界温差需越高的计算阶数。
So if a scientist wanted to study the microorganisms living on each side of a temperature gradient, the AUV would find the boundary, follow it, and pick the best spot to take samples.
因此,当一位科学家有兴趣研究生活在海平面下某一温度层边缘的微生物,这台水下自动探测机器人能够找到温度梯度的边界,并在那里找到最佳样本。
FRONT - boundary between air masses of different temperature and pressure.
锋面—不同温度和压力的空气团间的边界。
The steady temperature field in irregular plane domain with radiation heat exchange boundary is analyzed by the boundary discrete method, and the solution in form of series is obtained.
采用边界离散方法对具有辐射换热边界的平面非规则域内稳态温度场进行了分析,得到了级数形式的解。
The distribution of solar radiation on dam surface can be computed by the method and accurate thermal boundary conditions of the dam temperature field are obtained.
该方法能够准确计算拱坝坝面太阳辐射的不均匀分布,为温度场计算提供准确的边界条件。
In the heat transfer analysis, combining temperature on tire side tested by drum test, a numerical inverse method is described for determining the heat convection boundary on tire side.
热传导分析中,依据实测的轮胎胎侧温度场,提出了一种基于实验的数值反演方法来确定胎侧的对流热边界条件。
The BP neural network used in the temperature characteristic of the boundary film on the screw-nut pairs surface in the wear-self-compensation system was established.
本文用双隐层BP人工神经网络建立了丝杆螺母副表面边界膜温度特性的磨损自补偿数学模型。
It seems to be particular useful for the solution of those problems where complex boundary conditions, variable physical properties, large temperature gradients etc. are concerned.
这种解法在边界条件复杂、物理性质可变、温度梯度巨大……等情况时特别有用。
By means of a double mirror interferometry a two-dimensional temperature distribution measurement in convective heat boundary layers is presented.
本文介绍利用双镜干涉仪测量对流传热边界层中二维温度分布的方法。
The temperature field and thermal deformation of the piston and ring carrier was used as the boundary in the calculation of stress field.
计算时把温度场和热变形作为结构应力计算的边界,获取活塞镶圈在热负荷状态下的综合应力场。
The boundary condition of temperature field for waved-edge milling insert is researched based on the heat transfer, fluid dynamics and metal cutting theory.
通过传热学、流体力学、切削理论的综合运用对波形刃铣刀片温度场边界条件进行了研究。
Heat boundary conditions of hot rolling work rolls are analyzed and the practical temperature field model is established.
边界热交换系数的确定是热轧工作辊高精度温度场计算的关键参数。
The problem of transmission of loaded contact frozen soil with creep effect in the temperature field is studied using critical boundary element method.
基于临界边界单元法,研究温度场中具有蠕变效应的冻土接触载荷传递问题。
Radiative effects of dust aerosol impacted the solar radiation flux arrived the floor, solar heating rate, temperature, wind, and the physic quantity of boundary layer.
沙尘辐射效应影响到达地面短波辐射量、短波辐射加热率、温度、风及边界层特征量等的变化。
The continual rigid frame bridge is one kind of important bridge of modern traffic project type, whose temperature problem is always one of bridgework boundary research hot spot.
连续刚构桥是现代交通工程的一种重要桥型,其温度问题一直是桥梁工程界的研究热点之一。
Using the improved boundary layer model, under horizontal homogeneous geographical conditions, the nonconstant wind and temperature fields have been simulated numerically.
利用改进的边界层模式,对平坦地形条件下的非定常边界层风温场进行了数值模拟。
Boundary conditions style selection of space grids are discussed based on boundary restraint conditions affecting temperature stress of space grids.
结合边界约束条件对网架温度应力的影响来探讨网架结构边界条件的选型。
First, dual boundary integral equations with temperature and centrifugal loads are set up in the paper. Then, the strategy to use those equations is discussed.
首先建立了考虑温度及离心载荷的双重边界积分方程组,并对边界积分方程组的选取及适用范围进行了讨论。
For example, the temperature of a metal plate can be expressed as a partial differential equation if the temperature on the boundaries is known. This is called a boundary value problem.
比方说,如果已知一块金属板边界上的温度,那么整块金属板的温度就可由一个偏微分方程表示,这称为边值问题。
The results is used as the basis of ventilation and cooling system design of the motor, and the boundary condition of temperature field computation to calculate temperature field of the motor.
计算出的数值可作为电机通风冷却系统设计的依据,同时可作为温度场计算的边界条件来进行电机温度场计算。
The meteorological parameters, such as solar radiation, temperature difference and wind velocity are boundary conditions in temperature effect analysis of structures.
在结构温度作用计算中需气象参数作为其边界条件,主要有日照辐射、气温日较差、风速这三个参数。
The paper describes a boundary element method to solve problems in transient temperature fields.
本文讨论用边界单元法解瞬变温度场问题。
Main factors and variation laws of temperature boundary conditions of large-scale aqueducts are determined by analyzing and calculating the temperature boundary conditions.
通过对大型渡槽的温度边界条件进行分析计算,确定了影响渡槽温度边界条件的主要影响因素及其变化规律。
The temperature of the actuator for the static boundary condition is a little higher than that for the moving boundary condition.
结果表明:静边界条件下形状记忆合金驱动器温度稍高于动边界条件;
A variety of temperature boundary conditions are taken into account.
考虑了各种温度边界条件。
Through the theoretical calculation, the radial and axial temperature distribution of arc column and the thermal boundary region were obtained.
通过测量和分析计算获得了弧柱和热区的径向及轴向温度分布。
The temperature profiles measured from the boundary layers at stagnation-point are reasonable in agreement with the results of theoretical calculation.
测得驻点烧蚀边界层的温度分布与相应的理论计算结果符合较好。
The temperature profiles measured from the boundary layers at stagnation-point are reasonable in agreement with the results of theoretical calculation.
测得驻点烧蚀边界层的温度分布与相应的理论计算结果符合较好。
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